{"id":476923,"date":"2023-08-09T09:05:02","date_gmt":"2023-08-09T09:05:02","guid":{"rendered":""},"modified":"2023-09-05T11:13:39","modified_gmt":"2023-09-05T11:13:39","slug":"dns-record","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/dns-record\/","title":{"rendered":"b\u1ea3n ghi DNS"},"content":{"rendered":"

B\u1ea3n ghi DNS, vi\u1ebft t\u1eaft c\u1ee7a b\u1ea3n ghi H\u1ec7 th\u1ed1ng t\u00ean mi\u1ec1n, l\u00e0 th\u00e0nh ph\u1ea7n c\u01a1 b\u1ea3n c\u1ee7a c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng internet. \u0110\u00e2y l\u00e0 m\u1ed9t m\u1ee5c nh\u1eadp d\u1ef1a tr\u00ean v\u0103n b\u1ea3n trong H\u1ec7 th\u1ed1ng t\u00ean mi\u1ec1n (DNS) \u00e1nh x\u1ea1 c\u00e1c t\u00ean mi\u1ec1n m\u00e0 con ng\u01b0\u1eddi c\u00f3 th\u1ec3 \u0111\u1ecdc \u0111\u01b0\u1ee3c, nh\u01b0 \u201coneproxy.pro,\u201d t\u1edbi c\u00e1c \u0111\u1ecba ch\u1ec9 IP t\u01b0\u01a1ng \u1ee9ng c\u1ee7a ch\u00fang, ch\u1eb3ng h\u1ea1n nh\u01b0 \u201c192.0.2.1\u201d. B\u1ea3n ghi DNS r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 d\u1ecbch c\u00e1c t\u00ean mi\u1ec1n th\u00e2n thi\u1ec7n v\u1edbi con ng\u01b0\u1eddi th\u00e0nh \u0111\u1ecba ch\u1ec9 IP m\u00e0 m\u00e1y c\u00f3 th\u1ec3 \u0111\u1ecdc \u0111\u01b0\u1ee3c, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp c\u00e1c trang web v\u00e0 c\u00e1c d\u1ecbch v\u1ee5 tr\u1ef1c tuy\u1ebfn kh\u00e1c.<\/p>\n

L\u1ecbch s\u1eed ngu\u1ed3n g\u1ed1c c\u1ee7a b\u1ea3n ghi DNS v\u00e0 l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u1ec1 c\u1eadp \u0111\u1ebfn n\u00f3<\/h2>\n

Kh\u00e1i ni\u1ec7m DNS l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c \u0111\u01b0a ra v\u00e0o \u0111\u1ea7u nh\u1eefng n\u0103m 1980 nh\u01b0 m\u1ed9t gi\u1ea3i ph\u00e1p cho v\u1ea5n \u0111\u1ec1 ng\u00e0y c\u00e0ng gia t\u0103ng trong vi\u1ec7c \u00e1nh x\u1ea1 t\u00ean mi\u1ec1n t\u1edbi \u0111\u1ecba ch\u1ec9 IP. Tr\u01b0\u1edbc DNS, m\u1ed9t t\u1ec7p t\u1eadp trung c\u00f3 t\u00ean l\u00e0 \u201chosts.txt\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 duy tr\u00ec c\u00e1c \u00e1nh x\u1ea1 n\u00e0y. Tuy nhi\u00ean, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u01b0\u1ee3c ch\u1ee9ng minh l\u00e0 kh\u00f4ng th\u1ec3 m\u1edf r\u1ed9ng quy m\u00f4 khi Internet m\u1edf r\u1ed9ng nhanh ch\u00f3ng. T\u1ec7p \u201chosts.txt\u201d tr\u1edf n\u00ean c\u1ed3ng k\u1ec1nh v\u00e0 kh\u00f3 qu\u1ea3n l\u00fd.<\/p>\n

N\u0103m 1983, Paul Mockapetris v\u00e0 Jon Postel \u0111\u00e3 ph\u00e1t tri\u1ec3n H\u1ec7 th\u1ed1ng t\u00ean mi\u1ec1n (DNS) nh\u01b0 m\u1ed9t h\u1ec7 th\u1ed1ng \u0111\u1eb7t t\u00ean ph\u00e2n t\u00e1n v\u00e0 ph\u00e2n c\u1ea5p. L\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u1ec1 c\u1eadp \u0111\u1ebfn DNS c\u00f3 th\u1ec3 b\u1eaft ngu\u1ed3n t\u1eeb RFC 882 v\u00e0 RFC 883, c\u1ea3 hai \u0111\u1ec1u \u0111\u01b0\u1ee3c xu\u1ea5t b\u1ea3n v\u00e0o th\u00e1ng 11 n\u0103m 1983, trong \u0111\u00f3 n\u00eau ra c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 ch\u1ee9c n\u0103ng c\u1ee7a DNS.<\/p>\n

Th\u00f4ng tin chi ti\u1ebft v\u1ec1 b\u1ea3n ghi DNS \u2013 M\u1edf r\u1ed9ng ch\u1ee7 \u0111\u1ec1 B\u1ea3n ghi DNS<\/h2>\n

B\u1ea3n ghi DNS l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a h\u1ec7 th\u1ed1ng l\u1edbn h\u01a1n qu\u1ea3n l\u00fd \u0111\u1ed9 ph\u00e2n gi\u1ea3i t\u00ean mi\u1ec1n. Khi ng\u01b0\u1eddi d\u00f9ng nh\u1eadp m\u1ed9t t\u00ean mi\u1ec1n nh\u01b0 \u201coneproxy.pro\u201d v\u00e0o tr\u00ecnh duy\u1ec7t web, tr\u01b0\u1edbc ti\u00ean tr\u00ecnh duy\u1ec7t c\u1ea7n t\u00ecm \u0111\u1ecba ch\u1ec9 IP \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi t\u00ean mi\u1ec1n \u0111\u00f3. Qu\u00e1 tr\u00ecnh n\u00e0y bao g\u1ed3m vi\u1ec7c truy v\u1ea5n c\u00e1c m\u00e1y ch\u1ee7 DNS \u0111\u1ec3 tra c\u1ee9u c\u00e1c b\u1ea3n ghi DNS c\u00f3 li\u00ean quan cho t\u00ean mi\u1ec1n.<\/p>\n

B\u1ea3n ghi DNS \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c th\u00e0nh nhi\u1ec1u lo\u1ea1i, m\u1ed7i lo\u1ea1i ph\u1ee5c v\u1ee5 m\u1ed9t m\u1ee5c \u0111\u00edch c\u1ee5 th\u1ec3 trong qu\u00e1 tr\u00ecnh ph\u00e2n gi\u1ea3i t\u00ean mi\u1ec1n. M\u1ed9t s\u1ed1 lo\u1ea1i b\u1ea3n ghi DNS ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n

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    B\u1ea3n ghi (B\u1ea3n ghi \u0111\u1ecba ch\u1ec9)<\/strong>: B\u1ea3n ghi A \u00e1nh x\u1ea1 t\u00ean mi\u1ec1n t\u1edbi \u0111\u1ecba ch\u1ec9 IPv4. V\u00ed d\u1ee5: n\u00f3 li\u00ean k\u1ebft \u201coneproxy.pro\u201d v\u1edbi \u0111\u1ecba ch\u1ec9 IP \u201c192.0.2.1.\u201d<\/p>\n<\/li>\n

  2. \n

    B\u1ea3n ghi AAAA (B\u1ea3n ghi \u0111\u1ecba ch\u1ec9 IPv6)<\/strong>: T\u01b0\u01a1ng t\u1ef1 nh\u01b0 b\u1ea3n ghi A, b\u1ea3n ghi AAAA \u00e1nh x\u1ea1 t\u00ean mi\u1ec1n t\u1edbi \u0111\u1ecba ch\u1ec9 IPv6. Lo\u1ea1i b\u1ea3n ghi n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c trang web c\u00f3 th\u1ec3 truy c\u1eadp qua IPv6.<\/p>\n<\/li>\n

  3. \n

    B\u1ea3n ghi CNAME (B\u1ea3n ghi t\u00ean chu\u1ea9n)<\/strong>: B\u1ea3n ghi CNAME t\u1ea1o b\u00ed danh cho t\u00ean mi\u1ec1n n\u00e0y v\u1edbi t\u00ean mi\u1ec1n kh\u00e1c. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho t\u00ean mi\u1ec1n ph\u1ee5 ho\u1eb7c khi m\u1ed9t trang web c\u00f3 th\u1ec3 truy c\u1eadp \u0111\u01b0\u1ee3c b\u1eb1ng nhi\u1ec1u t\u00ean.<\/p>\n<\/li>\n

  4. \n

    B\u1ea3n ghi MX (B\u1ea3n ghi trao \u0111\u1ed5i th\u01b0)<\/strong>: B\u1ea3n ghi MX ch\u1ec9 \u0111\u1ecbnh m\u00e1y ch\u1ee7 th\u01b0 ch\u1ecbu tr\u00e1ch nhi\u1ec7m nh\u1eadn email cho m\u1ed9t mi\u1ec1n.<\/p>\n<\/li>\n

  5. \n

    B\u1ea3n ghi TXT (B\u1ea3n ghi v\u0103n b\u1ea3n)<\/strong>: B\u1ea3n ghi TXT c\u00f3 th\u1ec3 ch\u1ee9a b\u1ea5t k\u1ef3 v\u0103n b\u1ea3n t\u00f9y \u00fd n\u00e0o v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho m\u1ee5c \u0111\u00edch x\u00e1c minh ho\u1eb7c \u0111\u1ec3 l\u01b0u tr\u1eef th\u00f4ng tin b\u1ed5 sung.<\/p>\n<\/li>\n

  6. \n

    B\u1ea3n ghi NS (B\u1ea3n ghi m\u00e1y ch\u1ee7 t\u00ean)<\/strong>: B\u1ea3n ghi NS cho bi\u1ebft m\u00e1y ch\u1ee7 DNS n\u00e0o c\u00f3 th\u1ea9m quy\u1ec1n \u0111\u1ed1i v\u1edbi m\u1ed9t mi\u1ec1n.<\/p>\n<\/li>\n

  7. \n

    B\u1ea3n ghi SOA (B\u1eaft \u0111\u1ea7u b\u1ea3n ghi \u1ee7y quy\u1ec1n)<\/strong>: B\u1ea3n ghi SOA cung c\u1ea5p th\u00f4ng tin qu\u1ea3n tr\u1ecb v\u1ec1 mi\u1ec1n, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u00e1y ch\u1ee7 t\u00ean ch\u00ednh v\u00e0 chi ti\u1ebft li\u00ean h\u1ec7.<\/p>\n<\/li>\n<\/ol>\n

    C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a b\u1ea3n ghi DNS \u2013 C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ea3n ghi DNS<\/h2>\n

    C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a b\u1ea3n ghi DNS bao g\u1ed3m m\u1ed9t s\u1ed1 th\u00e0nh ph\u1ea7n, bao g\u1ed3m T\u00ean mi\u1ec1n, Th\u1eddi gian t\u1ed3n t\u1ea1i (TTL), Lo\u1ea1i b\u1ea3n ghi v\u00e0 Gi\u00e1 tr\u1ecb b\u1ea3n ghi. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 gi\u1ea3i th\u00edch ng\u1eafn g\u1ecdn v\u1ec1 t\u1eebng th\u00e0nh ph\u1ea7n:<\/p>\n

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      T\u00ean mi\u1ec1n<\/strong>: \u0110\u00e2y l\u00e0 t\u00ean mi\u1ec1n m\u00e0 con ng\u01b0\u1eddi c\u00f3 th\u1ec3 \u0111\u1ecdc \u0111\u01b0\u1ee3c, ch\u1eb3ng h\u1ea1n nh\u01b0 \u201coneproxy.pro.\u201d<\/p>\n<\/li>\n

    2. \n

      Th\u1eddi gian \u0111\u1ec3 s\u1ed1ng (TTL)<\/strong>: TTL bi\u1ec3u th\u1ecb kho\u1ea3ng th\u1eddi gian m\u00e0 b\u1ea3n ghi DNS \u0111\u01b0\u1ee3c coi l\u00e0 h\u1ee3p l\u1ec7 tr\u01b0\u1edbc khi n\u00f3 c\u1ea7n \u0111\u01b0\u1ee3c l\u00e0m m\u1edbi ho\u1eb7c c\u1eadp nh\u1eadt. N\u00f3 \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng gi\u00e2y v\u00e0 gi\u00fap l\u01b0u th\u00f4ng tin DNS v\u00e0o b\u1ed9 nh\u1edb \u0111\u1ec7m \u0111\u1ec3 gi\u1ea3m l\u01b0u l\u01b0\u1ee3ng truy v\u1ea5n DNS.<\/p>\n<\/li>\n

    3. \n

      Lo\u1ea1i b\u1ea3n ghi<\/strong>: Lo\u1ea1i b\u1ea3n ghi ch\u1ec9 \u0111\u1ecbnh lo\u1ea1i b\u1ea3n ghi DNS, nh\u01b0 A, AAAA, CNAME, MX, TXT, NS, v.v.<\/p>\n<\/li>\n

    4. \n

      Gi\u00e1 tr\u1ecb b\u1ea3n ghi<\/strong>: \u0110\u00e2y l\u00e0 d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi b\u1ea3n ghi DNS, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u1ecba ch\u1ec9 IP cho b\u1ea3n ghi A ho\u1eb7c m\u00e1y ch\u1ee7 th\u01b0 cho b\u1ea3n ghi MX.<\/p>\n<\/li>\n<\/ol>\n

      Khi ng\u01b0\u1eddi d\u00f9ng c\u1ed1 g\u1eafng truy c\u1eadp m\u1ed9t trang web, thi\u1ebft b\u1ecb c\u1ee7a h\u1ecd s\u1ebd g\u1eedi truy v\u1ea5n DNS \u0111\u1ebfn tr\u00ecnh ph\u00e2n gi\u1ea3i DNS. Sau \u0111\u00f3, tr\u00ecnh ph\u00e2n gi\u1ea3i s\u1ebd t\u00ecm ki\u1ebfm \u0111\u1ec7 quy c\u00e1c b\u1ea3n ghi DNS th\u00edch h\u1ee3p, b\u1eaft \u0111\u1ea7u t\u1eeb c\u00e1c m\u00e1y ch\u1ee7 DNS g\u1ed1c v\u00e0 \u0111i xu\u1ed1ng theo th\u1ee9 b\u1eadc cho \u0111\u1ebfn khi t\u00ecm th\u1ea5y m\u00e1y ch\u1ee7 DNS c\u00f3 th\u1ea9m quy\u1ec1n cho mi\u1ec1n. Sau \u0111\u00f3, tr\u00ecnh ph\u00e2n gi\u1ea3i s\u1ebd l\u01b0u tr\u1eef k\u1ebft qu\u1ea3 trong m\u1ed9t kho\u1ea3ng th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh d\u1ef1a tr\u00ean gi\u00e1 tr\u1ecb TTL, c\u1ea3i thi\u1ec7n th\u1eddi gian ph\u1ea3n h\u1ed3i truy v\u1ea5n DNS ti\u1ebfp theo.<\/p>\n

      Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a b\u1ea3n ghi DNS<\/h2>\n

      H\u1ec7 th\u1ed1ng b\u1ea3n ghi DNS c\u00f3 m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng ch\u00ednh c\u1ea7n thi\u1ebft cho ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Internet:<\/p>\n

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      1. \n

        Ph\u00e2n ph\u1ed1i v\u00e0 ph\u00e2n c\u1ea5p<\/strong>: DNS l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n, ngh\u0129a l\u00e0 n\u00f3 kh\u00f4ng d\u1ef1a v\u00e0o m\u1ed9t c\u01a1 s\u1edf d\u1eef li\u1ec7u trung t\u00e2m duy nh\u1ea5t. Thay v\u00e0o \u0111\u00f3, n\u00f3 ho\u1ea1t \u0111\u1ed9ng th\u00f4ng qua m\u1ea1ng l\u01b0\u1edbi c\u00e1c m\u00e1y ch\u1ee7 DNS \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi nhau, ph\u00e2n ph\u1ed1i kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c v\u00e0 t\u0103ng kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ed7i. C\u1ea5u tr\u00fac ph\u00e2n c\u1ea5p \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ph\u00e2n gi\u1ea3i t\u00ean mi\u1ec1n hi\u1ec7u qu\u1ea3 b\u1eb1ng c\u00e1ch \u1ee7y quy\u1ec1n t\u1eeb c\u00e1c t\u00ean mi\u1ec1n c\u1ea5p cao nh\u1ea5t cho c\u00e1c t\u00ean mi\u1ec1n c\u1ea5p th\u1ea5p h\u01a1n.<\/p>\n<\/li>\n

      2. \n

        B\u1ed9 nh\u1edb \u0111\u1ec7m<\/strong>: Tr\u00ecnh ph\u00e2n gi\u1ea3i DNS v\u00e0 m\u00e1y kh\u00e1ch l\u01b0u v\u00e0o b\u1ed9 \u0111\u1ec7m c\u00e1c b\u1ea3n ghi DNS \u0111\u1ec3 gi\u1ea3m t\u1ea3i truy v\u1ea5n v\u00e0 c\u1ea3i thi\u1ec7n th\u1eddi gian ph\u1ea3n h\u1ed3i. Gi\u00e1 tr\u1ecb TTL x\u00e1c \u0111\u1ecbnh kho\u1ea3ng th\u1eddi gian m\u1ed9t b\u1ea3n ghi \u0111\u01b0\u1ee3c l\u01b0u trong b\u1ed9 nh\u1edb \u0111\u1ec7m tr\u01b0\u1edbc khi c\u1ea7n l\u00e0m m\u1edbi.<\/p>\n<\/li>\n

      3. \n

        D\u1ef1 ph\u00f2ng v\u00e0 c\u00e2n b\u1eb1ng t\u1ea3i<\/strong>: B\u1ea3n ghi DNS c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 c\u00e2n b\u1eb1ng t\u1ea3i b\u1eb1ng c\u00e1ch li\u00ean k\u1ebft nhi\u1ec1u \u0111\u1ecba ch\u1ec9 IP v\u1edbi m\u1ed9t t\u00ean mi\u1ec1n. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p ph\u00e2n ph\u1ed1i l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp tr\u00ean nhi\u1ec1u m\u00e1y ch\u1ee7, c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 tin c\u1eady.<\/p>\n<\/li>\n

      4. \n

        T\u00ednh linh ho\u1ea1t<\/strong>: C\u00e1c lo\u1ea1i b\u1ea3n ghi DNS kh\u00e1c nhau ph\u1ee5c v\u1ee5 nhi\u1ec1u m\u1ee5c \u0111\u00edch kh\u00e1c nhau, cho ph\u00e9p s\u1eed d\u1ee5ng nhi\u1ec1u d\u1ecbch v\u1ee5 internet, bao g\u1ed3m c\u00e1c trang web, m\u00e1y ch\u1ee7 email v\u00e0 c\u00e1c t\u00e0i nguy\u00ean m\u1ea1ng kh\u00e1c.<\/p>\n<\/li>\n<\/ol>\n

        C\u00e1c lo\u1ea1i b\u1ea3n ghi DNS<\/h2>\n

        H\u1ec7 th\u1ed1ng t\u00ean mi\u1ec1n h\u1ed7 tr\u1ee3 nhi\u1ec1u lo\u1ea1i b\u1ea3n ghi DNS kh\u00e1c nhau, m\u1ed7i lo\u1ea1i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c m\u1ee5c \u0111\u00edch c\u1ee5 th\u1ec3. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3ng t\u00f3m t\u1eaft c\u00e1c lo\u1ea1i b\u1ea3n ghi DNS ph\u1ed5 bi\u1ebfn v\u00e0 ch\u1ee9c n\u0103ng c\u1ee7a ch\u00fang:<\/p>\n\n\n\n\n\n\n\n\n\n\n\n
        Lo\u1ea1i b\u1ea3n ghi DNS<\/th>\nS\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n
        M\u1ed8T<\/td>\n\u00c1nh x\u1ea1 t\u00ean mi\u1ec1n t\u1edbi \u0111\u1ecba ch\u1ec9 IPv4<\/td>\n<\/tr>\n
        AAAA<\/td>\n\u00c1nh x\u1ea1 t\u00ean mi\u1ec1n t\u1edbi \u0111\u1ecba ch\u1ec9 IPv6<\/td>\n<\/tr>\n
        CNAME<\/td>\nT\u1ea1o b\u00ed danh cho t\u00ean mi\u1ec1n n\u00e0y sang t\u00ean mi\u1ec1n kh\u00e1c<\/td>\n<\/tr>\n
        MX<\/td>\nCh\u1ec9 \u0111\u1ecbnh m\u00e1y ch\u1ee7 th\u01b0 \u0111\u1ec3 nh\u1eadn email<\/td>\n<\/tr>\n
        TXT<\/td>\nGi\u1eef v\u0103n b\u1ea3n ho\u1eb7c th\u00f4ng tin t\u00f9y \u00fd<\/td>\n<\/tr>\n
        NS<\/td>\nCho bi\u1ebft m\u00e1y ch\u1ee7 DNS c\u00f3 th\u1ea9m quy\u1ec1n cho m\u1ed9t t\u00ean mi\u1ec1n<\/td>\n<\/tr>\n
        SOA<\/td>\nCung c\u1ea5p th\u00f4ng tin qu\u1ea3n tr\u1ecb v\u1ec1 t\u00ean mi\u1ec1n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

        C\u00e1ch s\u1eed d\u1ee5ng b\u1ea3n ghi DNS, c\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng<\/h2>\n

        B\u1ea3n ghi DNS r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau, bao g\u1ed3m l\u01b0u tr\u1eef trang web, g\u1eedi email, c\u00e2n b\u1eb1ng t\u1ea3i v\u00e0 ph\u00e2n b\u1ed5 t\u00e0i nguy\u00ean m\u1ea1ng. Tuy nhi\u00ean, vi\u1ec7c s\u1eed d\u1ee5ng b\u1ea3n ghi DNS c\u0169ng c\u00f3 th\u1ec3 \u0111\u1eb7t ra nh\u1eefng th\u00e1ch th\u1ee9c:<\/p>\n

          \n
        1. \n

          \u0110\u1ed9 tr\u1ec5 truy\u1ec1n DNS<\/strong>: Khi c\u1eadp nh\u1eadt b\u1ea3n ghi DNS, c\u00e1c thay \u0111\u1ed5i c\u00f3 th\u1ec3 m\u1ea5t m\u1ed9t th\u1eddi gian \u0111\u1ec3 lan truy\u1ec1n tr\u00ean to\u00e0n b\u1ed9 internet, d\u1eabn \u0111\u1ebfn kh\u1ea3 n\u0103ng ng\u1eebng ho\u1ea1t \u0111\u1ed9ng ho\u1eb7c kh\u00f4ng th\u1ec3 truy c\u1eadp \u0111\u01b0\u1ee3c trong kho\u1ea3ng th\u1eddi gian n\u00e0y. \u0110\u1eb7t gi\u00e1 tr\u1ecb TTL th\u1ea5p h\u01a1n c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m \u0111\u1ed9 tr\u1ec5 truy\u1ec1n trong qu\u00e1 tr\u00ecnh c\u1eadp nh\u1eadt DNS.<\/p>\n<\/li>\n

        2. \n

          Ng\u1ed9 \u0111\u1ed9c b\u1ed9 \u0111\u1ec7m DNS<\/strong>: Nh\u1eefng k\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 c\u1ed1 g\u1eafng thao t\u00fang c\u00e1c b\u1ea3n ghi DNS \u0111\u01b0\u1ee3c b\u1ed9 ph\u00e2n gi\u1ea3i l\u01b0u v\u00e0o b\u1ed9 nh\u1edb \u0111\u1ec7m, d\u1eabn ng\u01b0\u1eddi d\u00f9ng \u0111\u1ebfn c\u00e1c trang web \u0111\u1ed9c h\u1ea1i. DNSSEC (Ti\u1ec7n \u00edch m\u1edf r\u1ed9ng b\u1ea3o m\u1eadt h\u1ec7 th\u1ed1ng t\u00ean mi\u1ec1n) c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y b\u1eb1ng c\u00e1ch cung c\u1ea5p ch\u1eef k\u00fd m\u1eadt m\u00e3 cho c\u00e1c b\u1ea3n ghi DNS, \u0111\u1ea3m b\u1ea3o t\u00ednh x\u00e1c th\u1ef1c c\u1ee7a ch\u00fang.<\/p>\n<\/li>\n

        3. \n

          C\u00e2n b\u1eb1ng t\u1ea3i v\u00e0 chuy\u1ec3n \u0111\u1ed5i d\u1ef1 ph\u00f2ng<\/strong>: \u0110\u1ecbnh c\u1ea5u h\u00ecnh c\u00e2n b\u1eb1ng t\u1ea3i th\u00f4ng qua b\u1ea3n ghi DNS c\u00f3 th\u1ec3 kh\u00f4ng cung c\u1ea5p kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t chi ti\u1ebft v\u00e0 c\u00f3 th\u1ec3 kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng d\u1ef1a tr\u00ean phi\u00ean. C\u00f3 th\u1ec3 c\u1ea7n c\u00e1c gi\u1ea3i ph\u00e1p c\u00e2n b\u1eb1ng t\u1ea3i n\u00e2ng cao h\u01a1n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ph\u1ea7n c\u1ee9ng ho\u1eb7c ph\u1ea7n m\u1ec1m chuy\u00ean d\u1ee5ng.<\/p>\n<\/li>\n

        4. \n

          S\u1ef1 c\u1ed1 g\u1eedi email<\/strong>: B\u1ea3n ghi MX b\u1ecb \u0111\u1ecbnh c\u1ea5u h\u00ecnh sai c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 c\u1ed1 g\u1eedi email, ch\u1eb3ng h\u1ea1n nh\u01b0 email kh\u00f4ng \u0111\u1ebfn \u0111\u01b0\u1ee3c ng\u01b0\u1eddi nh\u1eadn nh\u01b0 mong mu\u1ed1n. Vi\u1ec7c th\u01b0\u1eddng xuy\u00ean theo d\u00f5i v\u00e0 x\u00e1c th\u1ef1c c\u00e1c b\u1ea3n ghi MX c\u00f3 th\u1ec3 gi\u00fap duy tr\u00ec vi\u1ec7c g\u1eedi email su\u00f4n s\u1ebb.<\/p>\n<\/li>\n<\/ol>\n

          C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 so s\u00e1nh kh\u00e1c v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1 d\u01b0\u1edbi d\u1ea1ng b\u1ea3ng v\u00e0 danh s\u00e1ch<\/h2>\n

          DNS so v\u1edbi URL (B\u1ed9 \u0111\u1ecbnh v\u1ecb t\u00e0i nguy\u00ean th\u1ed1ng nh\u1ea5t):<\/h3>\n\n\n\n\n\n\n\n
          Di\u1ec7n m\u1ea1o<\/th>\nDNS<\/th>\nURL<\/th>\n<\/tr>\n<\/thead>\n
          S\u1ef1 \u0111\u1ecbnh ngh\u0129a<\/td>\nD\u1ecbch t\u00ean mi\u1ec1n th\u00e0nh \u0111\u1ecba ch\u1ec9 IP<\/td>\nCh\u1ec9 \u0111\u1ecbnh m\u1ed9t \u0111\u1ecba ch\u1ec9 web<\/td>\n<\/tr>\n
          \u0110\u1ecbnh d\u1ea1ng<\/td>\nV\u00ed d\u1ee5: \u201coneproxy.pro\u201d<\/td>\nV\u00ed d\u1ee5: "https:\/\/oneproxy.pro<\/a>\u201c<\/td>\n<\/tr>\n
          Qu\u00e1 tr\u00ecnh gi\u1ea3i quy\u1ebft<\/td>\nT\u00ecm \u0111\u1ecba ch\u1ec9 IP cho t\u00ean mi\u1ec1n<\/td>\nX\u00e1c \u0111\u1ecbnh t\u00e0i nguy\u00ean web<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          DNS so v\u1edbi DHCP (Giao th\u1ee9c c\u1ea5u h\u00ecnh m\u00e1y ch\u1ee7 \u0111\u1ed9ng):<\/h3>\n\n\n\n\n\n\n\n
          Di\u1ec7n m\u1ea1o<\/th>\nDNS<\/th>\nDHCP<\/th>\n<\/tr>\n<\/thead>\n
          Ch\u1ee9c n\u0103ng<\/td>\nD\u1ecbch t\u00ean mi\u1ec1n th\u00e0nh \u0111\u1ecba ch\u1ec9 IP<\/td>\nQu\u1ea3n l\u00fd vi\u1ec7c g\u00e1n \u0111\u1ecba ch\u1ec9 IP<\/td>\n<\/tr>\n
          M\u1ee5c \u0111\u00edch<\/td>\nCho ph\u00e9p ph\u00e2n gi\u1ea3i t\u00ean cho internet<\/td>\nCung c\u1ea5p \u0111\u1ecba ch\u1ec9 IP \u0111\u1ed9ng<\/td>\n<\/tr>\n
          C\u00e1ch s\u1eed d\u1ee5ng<\/td>\n\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 truy c\u1eadp c\u00e1c trang web, d\u1ecbch v\u1ee5, v.v.<\/td>\n\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 c\u1ea5u h\u00ecnh thi\u1ebft b\u1ecb m\u1ea1ng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ee7a t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn b\u1ea3n ghi DNS<\/h2>\n

          T\u01b0\u01a1ng lai c\u1ee7a b\u1ea3n ghi DNS n\u1eb1m \u1edf vi\u1ec7c t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt, quy\u1ec1n ri\u00eang t\u01b0 v\u00e0 hi\u1ec7u su\u1ea5t. M\u1ed9t s\u1ed1 ph\u00e1t tri\u1ec3n ti\u1ec1m n\u0103ng bao g\u1ed3m:<\/p>\n

            \n
          1. \n

            DNS qua HTTPS (DoH)<\/strong>: T\u00edch h\u1ee3p \u0111\u1ed9 ph\u00e2n gi\u1ea3i DNS v\u1edbi k\u1ebft n\u1ed1i HTTPS \u0111\u1ec3 m\u00e3 h\u00f3a l\u01b0u l\u01b0\u1ee3ng DNS, \u0111\u1ea3m b\u1ea3o quy\u1ec1n ri\u00eang t\u01b0 v\u00e0 ch\u1ed1ng nghe l\u00e9n.<\/p>\n<\/li>\n

          2. \n

            \u00c1p d\u1ee5ng IPv6<\/strong>: Khi th\u1ebf gi\u1edbi chuy\u1ec3n sang IPv6, b\u1ea3n ghi DNS s\u1ebd \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u00e1nh x\u1ea1 \u0111\u1ecba ch\u1ec9 IPv6 t\u1edbi t\u00ean mi\u1ec1n.<\/p>\n<\/li>\n

          3. \n

            Tri\u1ec3n khai DNSSEC n\u00e2ng cao<\/strong>: \u00c1p d\u1ee5ng r\u1ed9ng r\u00e3i v\u00e0 tri\u1ec3n khai DNSSEC hi\u1ec7u qu\u1ea3 h\u01a1n \u0111\u1ec3 b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i vi\u1ec7c nhi\u1ec5m \u0111\u1ed9c b\u1ed9 \u0111\u1ec7m DNS v\u00e0 c\u00e1c m\u1ed1i \u0111e d\u1ecda b\u1ea3o m\u1eadt kh\u00e1c.<\/p>\n<\/li>\n

          4. \n

            Chu\u1ed7i kh\u1ed1i v\u00e0 DNS<\/strong>: Kh\u00e1m ph\u00e1 vi\u1ec7c s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 chu\u1ed7i kh\u1ed1i \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng t\u00ednh b\u1ea3o m\u1eadt v\u00e0 ph\u00e2n c\u1ea5p b\u1ea3n ghi DNS.<\/p>\n<\/li>\n<\/ol>\n

            C\u00e1ch s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft m\u00e1y ch\u1ee7 proxy v\u1edbi b\u1ea3n ghi DNS<\/h2>\n

            M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi c\u00e1c b\u1ea3n ghi DNS \u0111\u1ec3 n\u00e2ng cao quy\u1ec1n ri\u00eang t\u01b0, b\u1ea3o m\u1eadt v\u00e0 hi\u1ec7u su\u1ea5t cho ng\u01b0\u1eddi d\u00f9ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 c\u00e1ch s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 proxy v\u1edbi b\u1ea3n ghi DNS:<\/p>\n

              \n
            1. \n

              C\u00e2n b\u1eb1ng t\u1ea3i d\u1ef1a tr\u00ean DNS<\/strong>: M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 \u0111\u00f3ng vai tr\u00f2 trung gian gi\u1eefa m\u00e1y kh\u00e1ch v\u00e0 tr\u00ecnh ph\u00e2n gi\u1ea3i DNS, cho ph\u00e9p c\u00e2n b\u1eb1ng t\u1ea3i d\u1ef1a tr\u00ean DNS. H\u1ecd c\u00f3 th\u1ec3 ph\u00e2n ph\u1ed1i y\u00eau c\u1ea7u tr\u00ean nhi\u1ec1u m\u00e1y ch\u1ee7 ph\u1ee5 tr\u1ee3 d\u1ef1a tr\u00ean nhi\u1ec1u y\u1ebfu t\u1ed1 kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd ho\u1eb7c t\u1ea3i m\u00e1y ch\u1ee7.<\/p>\n<\/li>\n

            2. \n

              B\u1ed9 nh\u1edb \u0111\u1ec7m b\u1ea3n ghi DNS<\/strong>: M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 l\u01b0u v\u00e0o b\u1ed9 \u0111\u1ec7m c\u00e1c b\u1ea3n ghi DNS, gi\u1ea3m t\u1ea3i truy v\u1ea5n tr\u00ean c\u00e1c m\u00e1y ch\u1ee7 DNS ng\u01b0\u1ee3c d\u00f2ng v\u00e0 c\u1ea3i thi\u1ec7n th\u1eddi gian ph\u1ea3n h\u1ed3i cho c\u00e1c y\u00eau c\u1ea7u DNS ti\u1ebfp theo.<\/p>\n<\/li>\n

            3. \n

              GeoDNS \u0111\u1ec3 l\u1ef1a ch\u1ecdn proxy<\/strong>: V\u1edbi GeoDNS, c\u00e1c b\u1ea3n ghi DNS c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh \u0111\u1ec3 ph\u00e2n gi\u1ea3i t\u1edbi c\u00e1c m\u00e1y ch\u1ee7 proxy kh\u00e1c nhau d\u1ef1a tr\u00ean v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh l\u1ef1a ch\u1ecdn m\u00e1y ch\u1ee7 proxy.<\/p>\n<\/li>\n

            4. \n

              L\u1ecdc DNS proxy<\/strong>: M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 cung c\u1ea5p kh\u1ea3 n\u0103ng l\u1ecdc DNS, ch\u1eb7n quy\u1ec1n truy c\u1eadp v\u00e0o c\u00e1c trang web \u0111\u1ed9c h\u1ea1i ho\u1eb7c kh\u00f4ng ph\u00f9 h\u1ee3p d\u1ef1a tr\u00ean truy v\u1ea5n DNS.<\/p>\n<\/li>\n<\/ol>\n

              Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n

              \u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 b\u1ea3n ghi DNS, b\u1ea1n c\u00f3 th\u1ec3 kh\u00e1m ph\u00e1 c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n

                \n
              1. H\u1ec7 th\u1ed1ng t\u00ean mi\u1ec1n (DNS) \u2013 Wikipedia<\/a><\/li>\n
              2. Gi\u1ea3i th\u00edch v\u1ec1 c\u00e1c lo\u1ea1i b\u1ea3n ghi DNS<\/a><\/li>\n
              3. Gi\u1edbi thi\u1ec7u v\u1ec1 DNSSEC<\/a><\/li>\n
              4. DNS qua HTTPS (DoH) \u2013 IETF<\/a><\/li>\n<\/ol>\n

                H\u00e3y nh\u1edb r\u1eb1ng b\u1ea3n ghi DNS r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 Internet ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp c\u00e1c trang web v\u00e0 d\u1ecbch v\u1ee5 tr\u1ef1c tuy\u1ebfn m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng. Khi c\u00f4ng ngh\u1ec7 ph\u00e1t tri\u1ec3n, ch\u00fang ta c\u00f3 th\u1ec3 mong \u0111\u1ee3i nh\u1eefng ti\u1ebfn b\u1ed9 h\u01a1n n\u1eefa \u0111\u1ec3 n\u00e2ng cao t\u00ednh b\u1ea3o m\u1eadt, quy\u1ec1n ri\u00eang t\u01b0 v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a \u0111\u1ed9 ph\u00e2n gi\u1ea3i DNS.<\/p>","protected":false},"featured_media":476924,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476923","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about DNS Record for the Website of the Proxy Server Provider OneProxy (oneproxy.pro)<\/mark>","faq_items":[{"question":"What is a DNS record, and why is it important?<\/strong>","answer":"

                A DNS record, short for Domain Name System record, is a text-based entry within the Domain Name System (DNS) that maps human-readable domain names to their corresponding IP addresses. It plays a crucial role in translating user-friendly domain names, like \"oneproxy.pro,\" into machine-readable IP addresses, enabling users to access websites and online services effortlessly.<\/p>"},{"question":"Who invented DNS records and when were they first mentioned?<\/strong>","answer":"

                DNS was introduced in the early 1980s by Paul Mockapetris and Jon Postel as a solution to the growing problem of mapping domain names to IP addresses. The first-ever mention of DNS can be traced back to November 1983 when RFC 882 and RFC 883 were published, outlining the specifications and functionality of DNS.<\/p>"},{"question":"What are the different types of DNS records?<\/strong>","answer":"

                DNS records come in various types, each serving a specific purpose in the domain resolution process. Some common types include:<\/p>