{"id":316677,"date":"2024-02-21T19:03:45","date_gmt":"2024-02-21T12:03:45","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=316677"},"modified":"2024-02-21T19:03:45","modified_gmt":"2024-02-21T12:03:45","slug":"nslookup","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/nslookup\/","title":{"rendered":"S\u1eed d\u1ee5ng NSLOOKUP \u0111\u1ec3 chu\u1ea9n \u0111o\u00e1n DNS Server"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">\u0110\u1ec3 DNS Server c\u00f3 th\u1ec3 giao th\u1ee9c \u1ed5n \u0111\u1ecbnh tr\u00ean h\u1ec7 th\u1ed1ng t\u00ean mi\u1ec1n tr\u00ean Internet th\u00ec lu\u00f4n c\u1ea7n c\u00f3 nh\u1eefng c\u00f4ng c\u1ee5 chu\u1ea9n \u0111o\u00e1n l\u1ed7i. Khi b\u1ea3n ghi DNS g\u1eb7p v\u1ea5n \u0111\u1ec1, ch\u00fang ta c\u00f3 th\u1ec3 nhanh ch\u00f3ng ki\u1ec3m tra v\u00e0 s\u1eeda ch\u1eefa ngay t\u1ee9c th\u00ec. L\u1ec7nh <strong>NSLOOKUP<\/strong> ch\u00ednh l\u00e0 ti\u1ec7n \u00edch mang l\u1ea1i cho b\u1ea1n \u0111\u1ea7y \u0111\u1ee7 th\u00f4ng tin v\u1ec1 v\u1ea5n \u0111\u1ec1 \u0111ang m\u1eafc ph\u1ea3i. Trong b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y, Ho\u00e0ng H\u00e0 Mobile s\u1ebd cung c\u1ea5p th\u00f4ng tin v\u1ec1 c\u00f4ng c\u1ee5 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 chu\u1ea9n \u0111o\u00e1n DNS Server.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">DNS Server l\u00e0 g\u00ec?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Tr\u01b0\u1edbc khi ti\u1ebfn \u0111\u1ebfn t\u00ecm hi\u1ec3u c\u00e1ch s\u1eed d\u1ee5ng NSLOOKUP, h\u1eb3n nhi\u1ec1u ng\u01b0\u1eddi v\u1eabn c\u00f2n l\u1ea1 l\u1eabm v\u1edbi c\u1ee5m t\u1eeb \u201cDNS Server\u201d. \u0110\u00e2y l\u00e0 t\u1eeb vi\u1ebft t\u1eaft c\u1ee7a m\u1ed9t thu\u1eadt ng\u1eef ti\u1ebfng Anh &#8211; <\/span><span style=\"font-weight: 400;\">Domain Name System. <\/span><span style=\"font-weight: 400;\">N\u00f3 \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 h\u1ec7 th\u1ed1ng c\u00f3 ch\u1ee9c n\u0103ng ph\u00e2n gi\u1ea3i mi\u1ec1n c\u00e1c trang web tr\u00ean Internet tr\u00ean m\u00e1y ch\u1ee7.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Khi ch\u00fang ta truy c\u1eadp v\u00e0o m\u1ed9t website b\u1ea5t k\u1ef3. DNS Server s\u1ebd c\u00f3 nhi\u1ec7m v\u1ee5 chuy\u1ec3n \u0111\u1ed5i t\u00ean mi\u1ec1n website \u0111\u00f3 t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ed9t \u0111\u1ecba ch\u1ec9 IP v\u00e0 ng\u01b0\u1ee3c l\u1ea1i. \u0110\u1ed3ng th\u1eddi l\u01b0u tr\u1eef v\u00e0 ghi nh\u1edb th\u00f4ng tin n\u00e0y cho nh\u1eefng l\u1ea7n truy c\u1eadp ti\u1ebfp theo tr\u00ean tr\u00ecnh duy\u1ec7t.\u00a0\u00a0<\/span><\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-1.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-1-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-1-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-317042 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-1.jpg\" alt=\"nslookup-1\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-1.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-1-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-1-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ec th\u1ebf, ch\u00fang ta kh\u00f4ng nh\u1ea5t thi\u1ebft ph\u1ea3i nh\u1edb t\u00ean ch\u00ednh x\u00e1c c\u1ee7a mi\u1ec1n website gi\u1ed1ng nh\u01b0 l\u1ea7n \u0111\u1ea7u ti\u00ean truy c\u1eadp n\u1eefa. DNS Server ch\u00ednh l\u00e0 c\u00f4ng c\u1ee5 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y. N\u00f3 s\u1ebd \u0111\u01b0a b\u1ea1n t\u1edbi \u0111\u00fang website \u0111ang mu\u1ed1n truy c\u1eadp khi <\/span><span style=\"font-weight: 400;\">s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 tr\u00ean Internet. N\u00f3i chung,<\/span><span style=\"font-weight: 400;\"> DNS \u0111\u00f3ng vai tr\u00f2 r\u1ea5t quan tr\u1ecdng trong th\u1ebf gi\u1edbi m\u1ea1ng. <\/span><span style=\"font-weight: 400;\">Sau khi n\u1eafm \u0111\u01b0\u1ee3c kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n c\u1ee7a DNS, ti\u1ebfp t\u1ee5c t\u00ecm hi\u1ec3u v\u1ec1 c\u00f4ng c\u1ee5 <\/span><span style=\"font-weight: 400;\">NSLOOKUP l\u00e0 g\u00ec, c\u00e1ch s\u1eed d\u1ee5ng ra sao nh\u00e9!<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">L\u1ec7nh NSLOOKUP l\u00e0 g\u00ec?<\/span><\/h2>\n<p>NSLOOKUP l\u00e0 t\u1eeb vi\u1ebft t\u1eaft c\u1ee7a name server lookup. \u0110\u00e2y l\u00e0 m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh v\u1edbi ch\u1ee9c n\u0103ng l\u00e0 chu\u1ea9n \u0111o\u00e1n DNS. N\u00f3 \u0111\u01b0\u1ee3c c\u00e0i s\u1eb5n trong\u00a0 Windows v\u00e0 UNIX, chuy\u00ean l\u1ea5y th\u00f4ng tin v\u1ec1 c\u00e1c m\u00e1y ch\u1ee7 khi s\u1eed d\u1ee5ng Internet. \u0110\u1ec3 khi g\u1eb7p s\u1ef1 c\u1ed1 c\u1ea7n ki\u1ec3m tra, NSLOOKUP s\u1ebd truy v\u1ea5n m\u1ecdi t\u00ean mi\u1ec1n c\u00f3 trong h\u1ec7 th\u1ed1ng t\u00e0i nguy\u00ean m\u00e0 DNS Server \u0111\u00e3 l\u01b0u tr\u1eef t\u1eeb tr\u01b0\u1edbc.<\/p>\n<p>L\u1ec7nh n\u00e0y truy xu\u1ea5t th\u00f4ng tin \u0111\u1ecba ch\u1ec9 li\u00ean quan tr\u1ef1c ti\u1ebfp t\u1eeb b\u1ed9 \u0111\u1ec7m DNS c\u1ee7a m\u00e1y ch\u1ee7 t\u00ean. C\u00f3 hai ch\u1ebf \u0111\u1ed9 \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u tr\u01b0\u1edbc \u0111\u00f3 \u0111\u1ec3 huy \u0111\u1ed9ng c\u00f4ng c\u1ee5 DNS cho m\u1ee5c \u0111\u00edch c\u1ee7a b\u1ea1n:<\/p>\n<ul>\n<li>Ch\u1ebf \u0111\u1ed9 t\u01b0\u01a1ng t\u00e1c : b\u1eaft \u0111\u1ea7u b\u1eb1ng l\u1ec7nh c\u00f9ng t\u00ean v\u00e0 sau \u0111\u00f3 th\u00eam c\u00e1c tham s\u1ed1 ri\u00eang bi\u1ec7t.<\/li>\n<li>Ch\u1ebf \u0111\u1ed9 kh\u00f4ng t\u01b0\u01a1ng t\u00e1c : nh\u1eadp tr\u1ef1c ti\u1ebfp l\u1ec7nh nslookup c\u0169ng nh\u01b0 c\u00e1c tham s\u1ed1 mong mu\u1ed1n.<\/li>\n<\/ul>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-2.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-2-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-2-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img decoding=\"async\" class=\"size-full wp-image-317043 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-2.jpg\" alt=\"nslookup-2\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-2.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-2-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-2-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p>\u1ede ch\u1ebf \u0111\u1ed9 kh\u00f4ng t\u01b0\u01a1ng t\u00e1c, c\u00f4ng c\u1ee5 n\u00e0y s\u1ebd ki\u1ec3m tra c\u00e1c b\u1ea3n ghi t\u00e0i nguy\u00ean. \u0110\u00e2y l\u00e0 t\u00ean g\u1ecdi c\u1ee7a c\u00e1c m\u1ee5c nh\u1eadp \u0111\u1ecba ch\u1ec9 trong b\u1ed9 \u0111\u1ec7m DNS. N\u00f3 \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong m\u00e1y ch\u1ee7 t\u00ean c\u1ee5c b\u1ed9, theo c\u00e1ch ti\u00eau chu\u1ea9n. Ch\u1ebf \u0111\u1ed9 n\u00e0y \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c truy v\u1ea5n \u0111\u01a1n gi\u1ea3n, trong \u0111\u00f3 c\u1ea7n tra c\u1ee9u m\u1ed9t m\u1ee5c nh\u1eadp t\u00ean mi\u1ec1n.<\/p>\n<p>Khi b\u1ea1n mu\u1ed1n s\u1eed d\u1ee5ng m\u1ed9t m\u00e1y ch\u1ee7 DNS kh\u00e1c \u0111\u1ec3 nghi\u00ean c\u1ee9u v\u00e0 ho\u00e0n th\u00e0nh c\u00e1c quy tr\u00ecnh t\u00ecm ki\u1ebfm ph\u1ee9c t\u1ea1p h\u01a1n, b\u1ea1n c\u1ea7n c\u00f3 ch\u1ebf \u0111\u1ed9 t\u01b0\u01a1ng t\u00e1c. Trong \u0111\u00f3 ch\u01b0\u01a1ng tr\u00ecnh d\u00f2ng l\u1ec7nh c\u1ea7n \u0111\u01b0\u1ee3c kh\u1edfi \u0111\u1ed9ng ri\u00eang l\u00fac \u0111\u1ea7u. C\u00e1ch ti\u1ebfp c\u1eadn ph\u00f9 h\u1ee3p nh\u1ea5t ph\u1ee5 thu\u1ed9c v\u00e0o nhu c\u1ea7u chu\u1ea9n \u0111o\u00e1n c\u1ee7a b\u1ea1n.<\/p>\n<h2><span style=\"font-weight: 400;\">C\u00e1c l\u1ec7nh NSLOOKUP ph\u1ed5 bi\u1ebfn<\/span><\/h2>\n<p>Tr\u01b0\u1edbc khi \u0111i v\u00e0o t\u00ecm hi\u1ec3u c\u00e1ch s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 chu\u1ea9n \u0111o\u00e1n DNS, ch\u00fang ta c\u1ea7n n\u1eafm \u0111\u01b0\u1ee3c c\u00e1c l\u1ec7nh ph\u1ed5 bi\u1ebfn th\u01b0\u1eddng g\u1eb7p \u0111\u00f3 l\u00e0:<\/p>\n<ul class=\"default-list\">\n<li>\/name: truy v\u1ea5n m\u00e1y ch\u1ee7 t\u00ean hi\u1ec7n t\u1ea1i \u0111\u1ec3 t\u00ecm t\u00ean \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh.<\/li>\n<li>\/t\u00ean m\u00e1y ch\u1ee7: \u0111\u1eb7t m\u00e1y ch\u1ee7 t\u00ean hi\u1ec7n t\u1ea1i th\u00e0nh m\u00e1y ch\u1ee7 m\u00e0 ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 \u0111\u1ecbnh.<\/li>\n<li>\/root:\u00a0 \u0111\u1eb7t m\u00e1y ch\u1ee7 g\u1ed1c l\u00e0m m\u00e1y ch\u1ee7 hi\u1ec7n t\u1ea1i.<\/li>\n<li>\/set type=x: ch\u1ec9 \u0111\u1ecbnh lo\u1ea1i b\u1ea3n ghi s\u1ebd \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb, ch\u1eb3ng h\u1ea1n nh\u01b0 A, CNAME , MX, NS, PTR ho\u1eb7c SOA. Ch\u1ec9 \u0111\u1ecbnh B\u1ea4T C\u1ee8 \u0111\u1ec3 hi\u1ec3n th\u1ecb t\u1ea5t c\u1ea3 c\u00e1c b\u1ea3n ghi.<\/li>\n<li>\/set debug: b\u1eadt ch\u1ebf \u0111\u1ed9 g\u1ee1 l\u1ed7i, hi\u1ec3n th\u1ecb th\u00f4ng tin chi ti\u1ebft v\u1ec1 t\u1eebng truy v\u1ea5n.<\/li>\n<li>\/set recurse: b\u00e1o cho m\u00e1y ch\u1ee7 t\u00ean DNS truy v\u1ea5n c\u00e1c m\u00e1y ch\u1ee7 kh\u00e1c n\u1ebfu n\u00f3 kh\u00f4ng c\u00f3 th\u00f4ng tin.<\/li>\n<li>\/exit: tho\u00e1t nslookup v\u00e0 \u0111\u01b0a ng\u01b0\u1eddi d\u00f9ng tr\u1edf l\u1ea1i d\u1ea5u nh\u1eafc l\u1ec7nh.<\/li>\n<\/ul>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-3-1.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-3-1-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-3-1-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img decoding=\"async\" class=\"size-full wp-image-317071 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-3-1.jpg\" alt=\"nslookup-3\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-3-1.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-3-1-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-3-1-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h2><span style=\"font-weight: 400;\">Nh\u1eefng tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng l\u1ec7nh<\/span><\/h2>\n<div id=\"c148507\" class=\"textmedia\" data-ctype=\"textmedia\">\n<div class=\"text-row ce-textpic ce-center ce-above\">\n<div class=\"ce-bodytext\">\n<p>C\u00f3 nhi\u1ec1u t\u00ecnh hu\u1ed1ng kh\u00e1c nhau c\u1ea7n ph\u1ea3i s\u1eed d\u1ee5ng t\u1edbi l<span style=\"font-weight: 400;\">\u1ec7nh NSLOOKUP. \u0110\u00e2y l\u00e0<\/span> m\u1ed9t c\u00f4ng c\u1ee5 \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng khi gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 DNS. Tr\u01b0\u1edbc ti\u00ean l\u00e0 truy v\u1ea5n d\u1eef li\u1ec7u gi\u00fap t\u00ecm ra nguy\u00ean nh\u00e2n c\u1ee7a v\u1ea5n \u0111\u1ec1 khi g\u1eb7p s\u1ef1 c\u1ed1 k\u1ebft n\u1ed1i. \u0110\u00e2y l\u00e0 tr\u01b0\u1eddng h\u1ee3p quan tr\u1ecdng v\u00e0 c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u nh\u1ea5t.<\/p>\n<p>V\u00ed d\u1ee5 khi ng\u01b0\u1eddi d\u00f9ng Windows g\u1eb7p v\u1ea5n \u0111\u1ec1 v\u1ec1 th\u01b0 m\u1ee5c ho\u1ea1t \u0111\u1ed9ng. Ch\u00fang ta c\u00f3 th\u1ec3 d\u00f9ng t\u1edbi l\u1ec7nh Name Server Lookup \u0111\u1ec3 ki\u1ec3m tra nhanh ch\u00f3ng m\u1ed9t l\u01b0\u1ee3t c\u00e1c t\u00ean mi\u1ec1n kh\u00e1 nhau. \u0110\u1ed3ng th\u1eddi d\u1ec5 d\u00e0ng xem \u0111\u01b0\u1ee3c t\u1ea5t c\u1ea3 c\u00e1c m\u00e1y ch\u1ee7 li\u00ean quan. Sau \u0111\u00f3 xem ch\u00fang c\u00f3 \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i trong h\u1ec7 th\u1ed1ng t\u00ean mi\u1ec1n nh\u01b0 k\u1ebf ho\u1ea1ch hay kh\u00f4ng.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-4.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-4-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-4-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-317072 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-4.jpg\" alt=\"nslookup-4\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-4.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-4-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-4-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p>M\u1ed9t tr\u01b0\u1eddng h\u1ee3p kh\u00e1c th\u01b0\u1eddng s\u1eed d\u1ee5ng n\u1eefa \u0111\u00f3 l\u00e0 khi t\u00ecm ki\u1ebfm m\u00e1y ch\u1ee7 th\u01b0 t\u1ed1i \u01b0u SMTP, POP, IMAP cho mi\u1ec1n mong mu\u1ed1n. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, <span style=\"font-weight: 400;\">NSLOOKUP<\/span> x\u00e1c \u0111\u1ecbnh c\u00e1c m\u00e1y ch\u1ee7 \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp tr\u00ean c\u01a1 s\u1edf B\u1ea3n ghi MX (mail e x thay \u0111\u1ed5i) thu\u1ed9c v\u1ec1 mi\u1ec1n c\u1ee7a nh\u00e0 cung c\u1ea5p e-mail. C\u00e1c m\u1ee5c n\u00e0y ch\u1ee9a \u0111\u1ecba ch\u1ec9 IP v\u00e0 t\u00ean c\u1ee7a m\u00e1y ch\u1ee7 c\u1ee7a nh\u00e0 cung c\u1ea5p. Sau \u0111\u00f3 ch\u1ec9 c\u1ea7n \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh trong qu\u00e1 tr\u00ecnh \u0111\u1ecbnh c\u1ea5u h\u00ecnh \u1ee9ng d\u1ee5ng th\u01b0 \u0111\u1ec3 ho\u00e0n thi\u1ec7n vi\u1ec7c \u0111\u1ecbnh tuy\u1ebfn d\u1ecbch v\u1ee5 th\u01b0 \u0111i\u1ec7n t\u1eed l\u00e0 xong.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<h2><span style=\"font-weight: 400;\">C\u00e1ch s\u1eed d\u1ee5ng NSLOOKUP trong Windows\u00a0<\/span><\/h2>\n<p>C\u00f3 nhi\u1ec1u l\u00fd do khi\u1ebfn b\u1ea1n c\u1ea7n ki\u1ec3m tra tr\u1ea1ng th\u00e1i b\u1ea3n ghi h\u1ec7 th\u1ed1ng t\u00ean mi\u1ec1n (DNS) c\u1ee7a m\u00ecnh. V\u00ed d\u1ee5 b\u1ea1n c\u00f3 th\u1ec3 c\u1ea7n x\u00e1c minh r\u1eb1ng c\u00e1c b\u1ea3n c\u1eadp nh\u1eadt l\u00e0 ch\u00ednh x\u00e1c ho\u1eb7c kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 khi truy c\u1eadp d\u1ecbch v\u1ee5.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-5.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-5-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-5-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-317074 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-5.jpg\" alt=\"nslookup-5\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-5.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-5-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-5-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p>Tra c\u1ee9u m\u00e1y ch\u1ee7 t\u00ean l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 d\u00f2ng l\u1ec7nh cho ph\u00e9p b\u1ea1n t\u00ecm \u0111\u1ecba ch\u1ec9 giao th\u1ee9c internet (IP) ho\u1eb7c b\u1ea3n ghi h\u1ec7 th\u1ed1ng t\u00ean mi\u1ec1n (DNS) c\u1ee7a m\u1ed9t t\u00ean mi\u1ec1n c\u1ee5 th\u1ec3. C\u00f4ng c\u1ee5 n\u00e0y \u0111\u01b0\u1ee3c bao g\u1ed3m trong Microsoft Windows v\u00e0 b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng n\u00f3 th\u00f4ng qua d\u1ea5u nh\u1eafc l\u1ec7nh. NSLOOKUP c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 truy\u1ec1n v\u00e0 ph\u00e2n gi\u1ea3i DNS v\u1edbi c\u00e1c m\u00e1y ch\u1ee7 kh\u00e1c nhau v\u00e0 c\u00e1c b\u01b0\u1edbc kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1.<\/p>\n<p>Trong h\u01b0\u1edbng d\u1eabn n\u00e0y, ch\u00fang ta s\u1ebd hi\u1ec3u c\u00e1ch s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 n\u00e0y tr\u00ean Microsoft Windows chi ti\u1ebft.<\/p>\n<h3><span style=\"font-weight: 400;\">C\u00e1ch 1<\/span><\/h3>\n<p>\u0110\u1ec3 s\u1eed d\u1ee5ng l\u1ec7nh Name Server Lookup, h\u00e3y \u0111i t\u1edbi <strong>B\u1eaft \u0111\u1ea7u<\/strong> v\u00e0 nh\u1eadp Command Prompt v\u00e0o tr\u01b0\u1eddng t\u00ecm ki\u1ebfm \u0111\u1ec3 m\u1edf d\u1ea5u nh\u1eafc l\u1ec7nh. Ho\u1eb7c b\u1ea1n c\u00f3 th\u1ec3 v\u00e0o\u00a0<strong>Start<\/strong>\u00a0&gt;\u00a0<strong>Run<\/strong> &gt; g\u00f5 Command Prompt.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-6.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-6-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-6-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-317076 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-6.jpg\" alt=\"nslookup-6\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-6.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-6-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-6-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p>G\u00f5 <strong>NSLOOKUP<\/strong> v\u00e0\u00a0nh\u1ea5n <strong>Enter<\/strong> l\u00e0 xong.\u00a0M\u00e1y ch\u1ee7 DNS c\u1ee5c b\u1ed9 c\u1ee7a b\u1ea1n v\u00e0 \u0111\u1ecba ch\u1ec9 IP c\u1ee7a n\u00f3 s\u1ebd \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-7.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-7-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-7-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-317077 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-7.jpg\" alt=\"nslookup-7\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-7.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-7-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-7-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3><span style=\"font-weight: 400;\">C\u00e1ch 2<\/span><\/h3>\n<p>B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 ch\u1ec9 \u0111\u1ecbnh m\u00e1y ch\u1ee7 DNS (\u0111\u1ecba ch\u1ec9 IP), lo\u1ea1i b\u1ea3n ghi v\u00e0 t\u00ean mi\u1ec1n.<\/p>\n<p>\u0110\u1ec3 hi\u1ec3n th\u1ecb c\u00e1c tham s\u1ed1 tr\u00ean, h\u00e3y nh\u1eadp nslookup\u00a0domain_name (t\u00ean mi\u1ec1n) v\u00e0 d\u1ea5u nh\u1eafc l\u1ec7nh s\u1ebd tr\u1ea3 v\u1ec1 b\u1ea3n ghi A cho mi\u1ec1n m\u00e0 b\u1ea1n ch\u1ea1y m\u1ed9t truy v\u1ea5n c\u1ee5 th\u1ec3.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-8.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-8-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-8-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-317083 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-8.jpg\" alt=\"nslookup-8\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-8.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-8-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-8-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3><span style=\"font-weight: 400;\">C\u00e1ch 3<\/span><\/h3>\n<p>B\u00e2y gi\u1edd, nh\u1eadp NSLOOKUP\u00a0-q=XX,\u00a0trong \u0111\u00f3 XX bi\u1ec3u th\u1ecb b\u1ea3n ghi DNS. C\u00e1c lo\u1ea1i b\u1ea3n ghi DNS c\u00f3 s\u1eb5n l\u00e0 CNAME, A, TXT v\u00e0 MX.<\/p>\n<ul>\n<li>A:\u00a0Ch\u1ecbu tr\u00e1ch nhi\u1ec7m \u00e1nh x\u1ea1 t\u00ean mi\u1ec1n t\u1edbi \u0111\u1ecba ch\u1ec9 IP.<\/li>\n<li>CNAME: Cung c\u1ea5p th\u00f4ng tin v\u1ec1 t\u00ean mi\u1ec1n thay th\u1ebf.<\/li>\n<li>MX:\u00a0B\u1ea3n ghi trao \u0111\u1ed5i th\u01b0 (MX) v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 lo\u1ea1i b\u1ea3n ghi DNS th\u01b0\u1eddng hi\u1ec3n th\u1ecb n\u01a1i c\u00e1c email cho m\u1ed9t mi\u1ec1n c\u1ea7n \u0111\u01b0\u1ee3c \u0111\u1ecbnh tuy\u1ebfn.<\/li>\n<li>TXT:\u00a0TXT l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a v\u0103n b\u1ea3n v\u00e0 cho ph\u00e9p ch\u1ee7 s\u1edf h\u1eefu t\u00ean mi\u1ec1n l\u01b0u tr\u1eef c\u00e1c gi\u00e1 tr\u1ecb v\u0103n b\u1ea3n trong DNS.<\/li>\n<\/ul>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-9.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-9-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-9-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-317085 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-9.jpg\" alt=\"nslookup-9\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-9.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-9-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-9-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p>\u0110\u1ec3 tho\u00e1t kh\u1ecfi c\u00f4ng c\u1ee5, g\u00f5\u00a0exit.<\/p>\n<h3><span style=\"font-weight: 400;\">C\u00e1ch 4<\/span><\/h3>\n<p>\u0110\u1ec3 s\u1eed d\u1ee5ng l\u1ec7nh n\u00e0y l\u00e0m c\u00f4ng c\u1ee5 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1eb7t lo\u1ea1i b\u1ea3n ghi c\u1ee5 th\u1ec3 \u0111\u1ec3 tra c\u1ee9u t\u00ean mi\u1ec1n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng l\u1ec7nh: &#8211; type=record_type trong \u0111\u00f3 record_type l\u00e0 MX, CNAME, PTR, NS.<\/p>\n<p>Nh\u1eadp\u00a0nslookup -type=ns domain_name\u00a0, trong \u0111\u00f3 domain_name l\u00e0 mi\u1ec1n cho truy v\u1ea5n c\u1ee7a b\u1ea1n v\u00e0 nh\u1ea5n Enter. Sau \u0111\u00f3, c\u00f4ng c\u1ee5 s\u1ebd hi\u1ec3n th\u1ecb m\u00e1y ch\u1ee7 t\u00ean cho mi\u1ec1n b\u1ea1n \u0111\u00e3 ch\u1ec9 \u0111\u1ecbnh.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-10.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-10-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-10-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-317090 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-10.jpg\" alt=\"nslookup-10\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-10.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-10-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-10-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p>S\u1eed d\u1ee5ng c\u00e1c l\u1ec7nh name server lookup kh\u00e1c nhau, b\u1ea1n s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c t\u1ea5t c\u1ea3 th\u00f4ng tin v\u1ec1 t\u00ean mi\u1ec1n c\u1ee7a m\u00ecnh. N\u00f3 c\u0169ng c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 li\u00ean quan \u0111\u1ebfn DNS. Ngo\u00e0i ra c\u00f2n c\u00f3 1 s\u1ed1 t\u00ednh n\u0103ng th\u00fa v\u1ecb kh\u00e1c m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o. V\u00ed d\u1ee5 nh\u01b0 t\u00ecm c\u00e1c m\u00e1y ch\u1ee7 DNS c\u00f3 th\u1ea9m quy\u1ec1n c\u1ee7a m\u1ed9t mi\u1ec1n, c\u00e1c b\u1ea3n ghi SOA v\u00e0 MX c\u1ee7a m\u1ed9t mi\u1ec1n v\u00e0 h\u01a1n th\u1ebf n\u1eefa.<\/p>\n<h2><span style=\"font-weight: 400;\">\u0110\u1ed1i t\u01b0\u1ee3ng n\u00e0o th\u01b0\u1eddng s\u1eed d\u1ee5ng l\u1ec7nh Name Server Lookup?<\/span><\/h2>\n<p>Qu\u1ea3n tr\u1ecb vi\u00ean m\u1ea1ng ho\u1eb7c chuy\u00ean gia c\u00f4ng ngh\u1ec7 th\u00f4ng tin l\u00e0 nh\u1eefng ng\u01b0\u1eddi th\u01b0\u1eddng xuy\u00ean s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 n\u00e0y. H\u1ecd s\u1ebd nh\u1edd t\u1edbi s\u1ef1 h\u1ed7 tr\u1ee3 c\u1ee7a\u00a0<span style=\"font-weight: 400;\">NSLOOKUP <\/span>\u0111\u1ec3 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 k\u1ebft n\u1ed1i m\u00e1y ch\u1ee7 ho\u1eb7c v\u00ec l\u00fd do b\u1ea3o m\u1eadt.<\/p>\n<p>Ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c chuy\u00ean gia m\u1ea1ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 n\u00e0y \u0111\u1ec3 b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u1eeba \u0111\u1ea3o, k\u1ec3 c\u1ea3 k\u1ebb t\u1ea5n c\u00f4ng thay \u0111\u1ed5i t\u00ean mi\u1ec1n. K\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 thay th\u1ebf ch\u1eef s\u1ed1 1 b\u1eb1ng ch\u1eef l th\u01b0\u1eddng \u0111\u1ec3 l\u00e0m cho m\u1ed9t trang web kh\u00f4ng th\u00e2n thi\u1ec7n tr\u00f4ng th\u00e2n thi\u1ec7n v\u00e0 quen thu\u1ed9c. Qu\u1ea3n tr\u1ecb vi\u00ean m\u1ea1ng s\u1eed d\u1ee5ng NSLOOKUP \u0111\u1ec3 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng nh\u01b0 v\u1eady.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-11.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-11-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-11-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-317091 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-11.jpg\" alt=\"nslookup-11\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-11.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-11-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-11-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p>Ngo\u00e0i ra, <span style=\"font-weight: 400;\">Name Server Lookup c\u00f2n gi\u00fap ng\u0103n ch\u1eb7n<\/span>\u00a0vi\u1ec7c \u0111\u1ea7u \u0111\u1ed9c b\u1ed9 nh\u1edb \u0111\u1ec7m. Trong tr\u01b0\u1eddng h\u1ee3p hacker ph\u00e2n ph\u1ed1i d\u1eef li\u1ec7u \u0111\u1ebfn c\u00e1c tr\u00ecnh ph\u00e2n gi\u1ea3i b\u1ed9 nh\u1edb \u0111\u1ec7m gi\u1ea3 l\u00e0m m\u00e1y ch\u1ee7 g\u1ed1c c\u00f3 th\u1ea9m quy\u1ec1n.<\/p>\n<h2><span style=\"font-weight: 400;\">M\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi kh\u00e1c li\u00ean quan<\/span><\/h2>\n<p>\u0110\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 l\u1ec7nh <span style=\"font-weight: 400;\">Name Server Lookup trong qu\u00e1 tr\u00ecnh gi\u00e1m s\u00e1t kh\u00f4ng gian m\u1ea1ng tr\u00ean Internet. D\u01b0\u1edbi \u0111\u00e2y s\u1ebd l\u00e0 gi\u1ea3i \u0111\u00e1p v\u1ec1 m\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi li\u00ean quan \u0111\u1ec3 b\u1ea1n \u0111\u1ecdc n\u1eafm r\u00f5 h\u01a1n khi mu\u1ed1n d\u00f9ng n\u00f3 chu\u1ea9n \u0111o\u00e1n DNS.\u00a0<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Ping c\u00f3 t\u1ed1t h\u01a1n NSLOOKUP kh\u00f4ng?\u00a0<\/span><\/h3>\n<p>C\u1ea3 hai \u0111\u1ec1u h\u1eefu \u00edch trong vi\u1ec7c ch\u1ea9n \u0111o\u00e1n c\u00e1c s\u1ef1 c\u1ed1 m\u1ea1ng. Tuy nhi\u00ean, Ping c\u00f2n ti\u1ebfn th\u00eam m\u1ed9t b\u01b0\u1edbc n\u1eefa \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i t\u00ean mi\u1ec1n th\u00e0nh \u0111\u1ecba ch\u1ec9 IP. C\u00f2n name server lookup<span style=\"font-weight: 400;\">\u00a0<\/span>ch\u1ec9 s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 DNS. B\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m tra xem \u0111\u1ecba ch\u1ec9 IP c\u00f3 \u0111ang ho\u1ea1t \u0111\u1ed9ng v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ph\u1ea3n h\u1ed3i c\u00e1c truy v\u1ea5n hay kh\u00f4ng b\u1eb1ng c\u00e1ch ing \u0111\u1ecba ch\u1ec9 \u0111\u00f3. M\u1eb7t kh\u00e1c, l\u1ec7nh <span style=\"font-weight: 400;\">Name Server Lookup<\/span> cung c\u1ea5p chi ti\u1ebft v\u1ec1 b\u1ea3n ghi DNS v\u00e0 IP cho t\u00ean mi\u1ec1n.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-12.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-12-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-12-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-317092 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-12.jpg\" alt=\"nslookup-12\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-12.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-12-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-12-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3><span style=\"font-weight: 400;\">NSLOOKUP v\u00e0 DNS c\u00f3 ho\u1ea1t \u0111\u1ed9ng gi\u1ed1ng nhau kh\u00f4ng?\u00a0<\/span><\/h3>\n<p>\u0110\u00e2y l\u00e0 2 kh\u00e1i ni\u1ec7m ho\u00e0n to\u00e0n kh\u00e1c nhau, nh\u01b0ng c\u00f3 m\u1ed1i quan h\u1ec7 g\u1eafn b\u00f3 m\u1eadt thi\u1ebft. L\u1ec7nh\u00a0<span style=\"font-weight: 400;\">NSLOOKUP<\/span> c\u1ea7n DNS \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng. M\u1ed9t t\u00ean mi\u1ec1n \u0111\u01b0\u1ee3c ph\u00e2n gi\u1ea3i th\u00e0nh \u0111\u1ecba ch\u1ec9 IP c\u1ee7a n\u00f3 th\u00f4ng qua h\u1ec7 th\u1ed1ng t\u00ean mi\u1ec1n. Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 y\u00eau c\u1ea7u m\u00e1y ch\u1ee7 t\u00ean DNS cung c\u1ea5p th\u00f4ng tin v\u1ec1 t\u00ean m\u00e1y ch\u1ee7 b\u1eb1ng c\u00f4ng c\u1ee5 name server lookup.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-13.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-13-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/02\/nslookup-13-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-317107 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-13.jpg\" alt=\"nslookup-13\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-13.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-13-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/02\/nslookup-13-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3><span style=\"font-weight: 400;\">C\u00e1c l\u1ef1a ch\u1ecdn kh\u00e1c c\u00f3 th\u1ec3 thay th\u1ebf NSLOOKUP<\/span><\/h3>\n<p>Ngo\u00e0i l\u1ec7nh <span style=\"font-weight: 400;\">Name Server Lookup, ng\u01b0\u1eddi d\u00f9ng c\u00f2n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u1ed9t s\u1ed1 c\u00f4ng c\u1ee5 t\u01b0\u01a1ng t\u1ef1. Ch\u1eb3ng h\u1ea1n nh\u01b0 <\/span>Ping, Traceroute, Dig. Ch\u00fang c\u0169ng c\u00f3 ch\u1ee9c n\u0103ng gi\u00fap b\u1ea1n gi\u00e1m s\u00e1t m\u1ea1ng c\u1ee7a m\u00ecnh m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n<h2>T\u1ea1m k\u1ebft<\/h2>\n<p>N\u00f3i t\u00f3m l\u1ea1i, l\u1ec7nh <strong> NSLOOKUP<\/strong> l\u00e0 m\u1ed9t trong nh\u1eefng c\u00e1ch t\u1ed1t nh\u1ea5t \u0111\u1ec3 t\u00ecm \u0111\u1ecba ch\u1ec9 IP\u00a0ho\u1eb7c\u00a0t\u00ean mi\u1ec1n c\u1ee7a m\u00e1y ch\u1ee7. Hy v\u1ecdng th\u00f4ng qua nh\u1eefng g\u00ec m\u00e0 b\u00e0i vi\u1ebft n\u00e0y cung c\u1ea5p, b\u1ea1n \u0111\u00e3 hi\u1ec3u \u0111\u01b0\u1ee3c c\u00e1ch d\u00f9ng c\u0169ng nh\u01b0 c\u00f4ng d\u1ee5ng c\u1ee7a c\u00f4ng c\u1ee5 n\u00e0y. \u0110\u1eebng qu\u00ean chia s\u1ebb th\u00eam cho b\u1ea1n b\u00e8 c\u00f9ng bi\u1ebft v\u00e0 \u0111\u1ecdc c\u00e1c tin t\u1ee9c th\u00fa v\u1ecb kh\u00e1c tr\u00ean trang tin t\u1ee9c c\u1ee7a Ho\u00e0ng H\u00e0 Mobile nh\u00e9!<\/p>\n<p>Xem th\u00eam:<\/p>\n<ul>\n<li><strong><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/clipboard\/\">C\u00e1ch m\u1edf Clipboard, xem v\u00e0 x\u00f3a l\u1ecbch s\u1eed sao ch\u00e9p, copy tr\u00ean m\u00e1y t\u00ednh Windows 10<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/kiem-tra-ip\/\">C\u00e1ch xem \u0111\u1ecba ch\u1ec9 IP ri\u00eang, ki\u1ec3m tra IP c\u00f4ng c\u1ed9ng tr\u00ean m\u00e1y t\u00ednh Windows<\/a><\/strong><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u0110\u1ec3 DNS Server c\u00f3 th\u1ec3 giao th\u1ee9c \u1ed5n \u0111\u1ecbnh tr\u00ean h\u1ec7 th\u1ed1ng t\u00ean mi\u1ec1n tr\u00ean Internet th\u00ec lu\u00f4n c\u1ea7n c\u00f3 nh\u1eefng c\u00f4ng c\u1ee5 chu\u1ea9n \u0111o\u00e1n l\u1ed7i. Khi b\u1ea3n ghi DNS g\u1eb7p v\u1ea5n \u0111\u1ec1, ch\u00fang ta c\u00f3 th\u1ec3 nhanh ch\u00f3ng ki\u1ec3m tra v\u00e0 s\u1eeda ch\u1eefa ngay t\u1ee9c th\u00ec. L\u1ec7nh NSLOOKUP ch\u00ednh l\u00e0 ti\u1ec7n \u00edch mang l\u1ea1i [&hellip;]<\/p>\n","protected":false},"author":51,"featured_media":317053,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16,412],"tags":[],"class_list":["post-316677","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thu-thuat","category-thu-thuat-may-tinh"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.2 (Yoast SEO v24.2) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C\u00e1ch s\u1eed d\u1ee5ng NSLOOKUP \u0111\u1ec3 chu\u1ea9n \u0111o\u00e1n DNS Server chi ti\u1ebft<\/title>\n<meta name=\"description\" content=\"L\u1ec7nh NSLOOKUP ph\u00e1t huy t\u00e1c d\u1ee5ng trong tr\u01b0\u1eddng h\u1ee3p ki\u1ec3m tra v\u00e0 ph\u00e1t hi\u1ec7n l\u1ed7i khi ch\u1ea1y chu\u1ea9n \u0111o\u00e1n DNS Serve tr\u00ean thi\u1ebft b\u1ecb Windows.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hoanghamobile.com\/tin-tuc\/nslookup\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"S\u1eed d\u1ee5ng NSLOOKUP \u0111\u1ec3 chu\u1ea9n \u0111o\u00e1n DNS Server\" \/>\n<meta property=\"og:description\" content=\"L\u1ec7nh NSLOOKUP ph\u00e1t huy t\u00e1c d\u1ee5ng trong tr\u01b0\u1eddng h\u1ee3p ki\u1ec3m tra v\u00e0 ph\u00e1t hi\u1ec7n l\u1ed7i khi ch\u1ea1y chu\u1ea9n \u0111o\u00e1n DNS Serve tr\u00ean thi\u1ebft b\u1ecb Windows.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/hoanghamobile.com\/tin-tuc\/nslookup\/\" \/>\n<meta property=\"og:site_name\" content=\"Tin t\u1ee9c c\u00f4ng ngh\u1ec7 - 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