{"id":476951,"date":"2023-08-09T09:05:36","date_gmt":"2023-08-09T09:05:36","guid":{"rendered":""},"modified":"2023-09-05T11:13:44","modified_gmt":"2023-09-05T11:13:44","slug":"dns-zone","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/dns-zone\/","title":{"rendered":"V\u00f9ng DNS"},"content":{"rendered":"

H\u1ec7 th\u1ed1ng t\u00ean mi\u1ec1n (DNS) l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n thi\u1ebft y\u1ebfu c\u1ee7a Internet. N\u00f3 ch\u1ecbu tr\u00e1ch nhi\u1ec7m d\u1ecbch c\u00e1c t\u00ean mi\u1ec1n th\u00e2n thi\u1ec7n v\u1edbi con ng\u01b0\u1eddi (nh\u01b0 \u201coneproxy.pro\u201d) th\u00e0nh \u0111\u1ecba ch\u1ec9 Giao th\u1ee9c Internet (IP) m\u00e0 m\u00e1y t\u00ednh c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng. Khi \u0111\u00f3, v\u00f9ng DNS l\u00e0 m\u1ed9t ph\u1ea7n kh\u00f4ng gian t\u00ean mi\u1ec1n \u0111\u01b0\u1ee3c ph\u1ee5c v\u1ee5 b\u1edfi m\u00e1y ch\u1ee7 DNS. N\u00f3 ch\u1ee9a th\u00f4ng tin v\u1ec1 m\u1ed9t ho\u1eb7c nhi\u1ec1u t\u00ean mi\u1ec1n, \u0111\u1ecba ch\u1ec9 IP t\u01b0\u01a1ng \u1ee9ng c\u1ee7a ch\u00fang v\u00e0 c\u00e1c b\u1ea3n ghi li\u00ean quan kh\u00e1c. V\u1ec1 c\u01a1 b\u1ea3n, n\u00f3 cung c\u1ea5p m\u1ed9t c\u01a1 ch\u1ebf \u0111\u1ec3 l\u1eadp b\u1ea3n \u0111\u1ed3 v\u00e0 \u0111i\u1ec1u h\u01b0\u1edbng l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp internet.<\/p>\n

L\u1ecbch s\u1eed ngu\u1ed3n g\u1ed1c c\u1ee7a v\u00f9ng DNS v\u00e0 s\u1ef1 \u0111\u1ec1 c\u1eadp \u0111\u1ea7u ti\u00ean v\u1ec1 n\u00f3<\/h2>\n

DNS \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n v\u00e0o \u0111\u1ea7u nh\u1eefng n\u0103m 1980 \u0111\u1ec3 qu\u1ea3n l\u00fd s\u1ed1 l\u01b0\u1ee3ng m\u00e1y t\u00ednh k\u1ebft n\u1ed1i internet ng\u00e0y c\u00e0ng t\u0103ng. \u00dd t\u01b0\u1edfng v\u1ec1 v\u00f9ng DNS \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh c\u00f9ng v\u1edbi DNS b\u1edfi Paul Mockapetris, m\u1ed9t nh\u00e0 khoa h\u1ecdc m\u00e1y t\u00ednh ng\u01b0\u1eddi M\u1ef9. \u0110\u1ec1 xu\u1ea5t c\u1ee7a \u00f4ng, \u0111\u01b0\u1ee3c xu\u1ea5t b\u1ea3n n\u0103m 1983 v\u1edbi t\u00ean RFC 882 v\u00e0 RFC 883, \u0111\u00e1nh d\u1ea5u s\u1ef1 \u0111\u1ec1 c\u1eadp ch\u00ednh th\u1ee9c \u0111\u1ea7u ti\u00ean v\u1ec1 v\u00f9ng DNS.<\/p>\n

Tr\u01b0\u1edbc DNS v\u00e0 kh\u00e1i ni\u1ec7m v\u1ec1 v\u00f9ng DNS, m\u1ed9t t\u1ec7p duy nh\u1ea5t c\u00f3 t\u00ean 'hosts.txt' do Vi\u1ec7n nghi\u00ean c\u1ee9u Stanford (SRI) duy tr\u00ec \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u00e1nh x\u1ea1 t\u00ean m\u00e1y ch\u1ee7 th\u00e0nh \u0111\u1ecba ch\u1ec9 IP. H\u1ec7 th\u1ed1ng n\u00e0y nhanh ch\u00f3ng tr\u1edf n\u00ean kh\u00f4ng b\u1ec1n v\u1eefng v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng c\u1ee7a Internet, t\u1ea1o ra h\u1ec7 th\u1ed1ng DNS ph\u00e2n t\u00e1n v\u00e0 m\u1ea1nh m\u1ebd h\u01a1n c\u0169ng nh\u01b0 kh\u00e1i ni\u1ec7m v\u1ec1 v\u00f9ng DNS.<\/p>\n

Th\u00f4ng tin chi ti\u1ebft v\u1ec1 v\u00f9ng DNS<\/h2>\n

V\u00f9ng DNS l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a kh\u00f4ng gian t\u00ean mi\u1ec1n m\u00e0 m\u00e1y ch\u1ee7 DNS c\u1ee5 th\u1ec3 ch\u1ecbu tr\u00e1ch nhi\u1ec7m qu\u1ea3n l\u00fd. M\u1ed7i v\u00f9ng ch\u1ee9a c\u00e1c b\u1ea3n ghi t\u00e0i nguy\u00ean cho t\u1ea5t c\u1ea3 c\u00e1c mi\u1ec1n v\u00e0 mi\u1ec1n ph\u1ee5 c\u1ee7a n\u00f3 tr\u1eeb khi mi\u1ec1n ph\u1ee5 \u0111\u01b0\u1ee3c \u1ee7y quy\u1ec1n \u0111\u1ec3 t\u1ea1o th\u00e0nh v\u00f9ng ri\u00eang.<\/p>\n

T\u1ec7p v\u00f9ng DNS ch\u00ednh l\u00e0 t\u1ec7p v\u0103n b\u1ea3n thu\u1ea7n t\u00fay ch\u1ee9a t\u1ea5t c\u1ea3 b\u1ea3n ghi cho t\u1ea5t c\u1ea3 t\u00e0i nguy\u00ean trong v\u00f9ng \u0111\u00f3. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean m\u00e1y ch\u1ee7 DNS ch\u00ednh. T\u1ec7p n\u00e0y bao g\u1ed3m nhi\u1ec1u lo\u1ea1i b\u1ea3n ghi t\u00e0i nguy\u00ean nh\u01b0 B\u1ea3n ghi \u0111\u1ecba ch\u1ec9 (A v\u00e0 AAAA), B\u1ea3n ghi trao \u0111\u1ed5i th\u01b0 (MX), B\u1ea3n ghi t\u00ean chu\u1ea9n (CNAME) v\u00e0 nhi\u1ec1u lo\u1ea1i kh\u00e1c.<\/p>\n

C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a v\u00f9ng DNS v\u00e0 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng<\/h2>\n

C\u1ea5u tr\u00fac v\u00f9ng DNS ch\u1ee7 y\u1ebfu bao g\u1ed3m nhi\u1ec1u lo\u1ea1i b\u1ea3n ghi t\u00e0i nguy\u00ean (RR) kh\u00e1c nhau. M\u1ed9t s\u1ed1 lo\u1ea1i ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n

    \n
  1. \n

    SOA (B\u1eaft \u0111\u1ea7u quy\u1ec1n h\u1ea1n):<\/strong> Lo\u1ea1i b\u1ea3n ghi n\u00e0y bao g\u1ed3m th\u00f4ng tin v\u1ec1 v\u00f9ng DNS, bao g\u1ed3m m\u00e1y ch\u1ee7 \u0111\u1ecbnh danh ch\u00ednh, email c\u1ee7a qu\u1ea3n tr\u1ecb vi\u00ean mi\u1ec1n, s\u1ed1 s\u00ea-ri t\u00ean mi\u1ec1n v\u00e0 m\u1ed9t s\u1ed1 b\u1ed9 t\u00ednh gi\u1edd li\u00ean quan \u0111\u1ebfn vi\u1ec7c l\u00e0m m\u1edbi v\u00f9ng.<\/p>\n<\/li>\n

  2. \n

    NS (M\u00e1y ch\u1ee7 t\u00ean):<\/strong> Lo\u1ea1i b\u1ea3n ghi n\u00e0y ch\u1ec9 \u0111\u1ecbnh m\u00e1y ch\u1ee7 t\u00ean c\u00f3 th\u1ea9m quy\u1ec1n cho v\u00f9ng.<\/p>\n<\/li>\n

  3. \n

    A (\u0110\u1ecba ch\u1ec9):<\/strong> Lo\u1ea1i b\u1ea3n ghi n\u00e0y \u00e1nh x\u1ea1 t\u00ean m\u00e1y ch\u1ee7 t\u1edbi \u0111\u1ecba ch\u1ec9 IPv4.<\/p>\n<\/li>\n

  4. \n

    AAAA (\u0110\u1ecba ch\u1ec9):<\/strong> Lo\u1ea1i b\u1ea3n ghi n\u00e0y \u00e1nh x\u1ea1 t\u00ean m\u00e1y ch\u1ee7 t\u1edbi \u0111\u1ecba ch\u1ec9 IPv6.<\/p>\n<\/li>\n

  5. \n

    CNAME (T\u00ean chu\u1ea9n):<\/strong> Lo\u1ea1i b\u1ea3n ghi n\u00e0y \u00e1nh x\u1ea1 t\u00ean m\u00e1y ch\u1ee7 sang t\u00ean ho\u1eb7c b\u00ed danh kh\u00e1c.<\/p>\n<\/li>\n

  6. \n

    MX (Trao \u0111\u1ed5i th\u01b0):<\/strong> Lo\u1ea1i b\u1ea3n ghi n\u00e0y \u00e1nh x\u1ea1 t\u00ean mi\u1ec1n t\u1edbi danh s\u00e1ch c\u00e1c m\u00e1y ch\u1ee7 trao \u0111\u1ed5i th\u01b0 cho mi\u1ec1n \u0111\u00f3.<\/p>\n<\/li>\n<\/ol>\n

    Qu\u00e1 tr\u00ecnh ph\u00e2n gi\u1ea3i t\u00ean mi\u1ec1n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c b\u1ea3n ghi n\u00e0y trong v\u00f9ng DNS nh\u01b0 sau:<\/p>\n

      \n
    1. Tr\u00ecnh ph\u00e2n gi\u1ea3i DNS (th\u01b0\u1eddng l\u00e0 thi\u1ebft b\u1ecb c\u1ee5c b\u1ed9) g\u1eedi truy v\u1ea5n \u0111\u1ebfn m\u00e1y ch\u1ee7 DNS \u0111\u1ec3 ph\u00e2n gi\u1ea3i t\u00ean mi\u1ec1n.<\/li>\n
    2. M\u00e1y ch\u1ee7 DNS ki\u1ec3m tra c\u00e1c t\u1ec7p v\u00f9ng c\u1ee7a n\u00f3 \u0111\u1ec3 ph\u00e2n gi\u1ea3i t\u00ean mi\u1ec1n.<\/li>\n
    3. N\u1ebfu m\u00e1y ch\u1ee7 c\u00f3 b\u1ea3n ghi c\u1ea7n thi\u1ebft trong c\u00e1c t\u1ec7p v\u00f9ng c\u1ee7a n\u00f3, n\u00f3 s\u1ebd tr\u1ea3 b\u1ea3n ghi \u0111\u00f3 cho b\u1ed9 ph\u00e2n gi\u1ea3i.<\/li>\n
    4. N\u1ebfu m\u00e1y ch\u1ee7 kh\u00f4ng c\u00f3 b\u1ea3n ghi, n\u00f3 s\u1ebd g\u1eedi truy v\u1ea5n \u0111\u1ebfn c\u00e1c m\u00e1y ch\u1ee7 DNS kh\u00e1c cho \u0111\u1ebfn khi t\u00ecm th\u1ea5y b\u1ea3n ghi ho\u1eb7c x\u00e1c \u0111\u1ecbnh r\u1eb1ng b\u1ea3n ghi kh\u00f4ng t\u1ed3n t\u1ea1i.<\/li>\n<\/ol>\n

      Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a V\u00f9ng DNS<\/h2>\n

      V\u00f9ng DNS cung c\u1ea5p m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng ch\u00ednh:<\/p>\n

        \n
      1. \n

        T\u1eadp trung v\u00e0 ph\u00e2n quy\u1ec1n:<\/strong> V\u00f9ng DNS gi\u00fap t\u1eadp trung th\u00f4ng tin v\u1ec1 m\u1ed9t mi\u1ec1n \u0111\u1ed3ng th\u1eddi cho ph\u00e9p \u1ee7y quy\u1ec1n t\u00ean mi\u1ec1n ph\u1ee5 sang c\u00e1c v\u00f9ng kh\u00e1c, gi\u00fap qu\u1ea3n l\u00fd c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng DNS m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n<\/li>\n

      2. \n

        D\u1ef1 ph\u00f2ng v\u00e0 c\u00e2n b\u1eb1ng t\u1ea3i:<\/strong> Nhi\u1ec1u m\u00e1y ch\u1ee7 DNS c\u00f3 th\u1ec3 l\u01b0u tr\u1eef c\u00f9ng m\u1ed9t v\u00f9ng, cung c\u1ea5p kh\u1ea3 n\u0103ng d\u1ef1 ph\u00f2ng v\u00e0 c\u00e2n b\u1eb1ng t\u1ea3i.<\/p>\n<\/li>\n

      3. \n

        C\u1eadp nh\u1eadt \u0111\u1ed9ng:<\/strong> M\u1ed9t s\u1ed1 m\u00e1y ch\u1ee7 DNS nh\u1ea5t \u0111\u1ecbnh cho ph\u00e9p c\u1eadp nh\u1eadt \u0111\u1ed9ng c\u00e1c t\u1ec7p v\u00f9ng DNS, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 c\u00e1c thay \u0111\u1ed5i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nhanh ch\u00f3ng m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i ch\u1ec9nh s\u1eeda c\u00e1c t\u1ec7p v\u00f9ng theo c\u00e1ch th\u1ee7 c\u00f4ng.<\/p>\n<\/li>\n

      4. \n

        Chuy\u1ec3n v\u00f9ng:<\/strong> M\u00e1y ch\u1ee7 DNS ch\u00ednh c\u00f3 th\u1ec3 chia s\u1ebb t\u1ec7p v\u00f9ng c\u1ee7a ch\u00fang v\u1edbi m\u00e1y ch\u1ee7 ph\u1ee5 th\u00f4ng qua qu\u00e1 tr\u00ecnh \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 chuy\u1ec3n v\u00f9ng.<\/p>\n<\/li>\n<\/ol>\n

        C\u00e1c lo\u1ea1i v\u00f9ng DNS<\/h2>\n

        C\u00f3 ba lo\u1ea1i v\u00f9ng DNS ch\u00ednh:<\/p>\n

          \n
        1. \n

          Khu ch\u00ednh:<\/strong> \u0110\u00e2y l\u00e0 t\u1ec7p v\u00f9ng ch\u00ednh n\u01a1i t\u1ea5t c\u1ea3 c\u00e1c thay \u0111\u1ed5i v\u00e0 ch\u1ec9nh s\u1eeda \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n. D\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef d\u01b0\u1edbi d\u1ea1ng v\u0103n b\u1ea3n.<\/p>\n<\/li>\n

        2. \n

          Khu ph\u1ee5:<\/strong> V\u00f9ng n\u00e0y \u1edf ch\u1ebf \u0111\u1ed9 ch\u1ec9 \u0111\u1ecdc v\u00e0 l\u00e0 b\u1ea3n sao ch\u00ednh x\u00e1c c\u1ee7a v\u00f9ng ch\u00ednh. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 d\u1ef1 ph\u00f2ng v\u00e0 c\u00e2n b\u1eb1ng t\u1ea3i.<\/p>\n<\/li>\n

        3. \n

          V\u00f9ng s\u01a1 khai:<\/strong> V\u00f9ng n\u00e0y ch\u1ec9 ch\u1ee9a th\u00f4ng tin v\u1ec1 c\u00e1c m\u00e1y ch\u1ee7 t\u00ean c\u00f3 th\u1ea9m quy\u1ec1n cho m\u1ed9t v\u00f9ng. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u1ea3m l\u01b0u l\u01b0\u1ee3ng truy v\u1ea5n DNS gi\u1eefa c\u00e1c m\u1ea1ng.<\/p>\n<\/li>\n<\/ol>\n\n\n\n\n\n\n\n
          Lo\u1ea1i v\u00f9ng<\/th>\nC\u00f3 th\u1ec3 ch\u1ec9nh s\u1eeda<\/th>\nL\u01b0u tr\u1eef d\u1eef li\u1ec7u<\/th>\nM\u1ee5c \u0111\u00edch<\/th>\n<\/tr>\n<\/thead>\n
          Khu ch\u00ednh<\/td>\n\u0110\u00fang<\/td>\nD\u01b0\u1edbi d\u1ea1ng v\u0103n b\u1ea3n<\/td>\n\u0110\u1ec3 th\u1ef1c hi\u1ec7n t\u1ea5t c\u1ea3 c\u00e1c thay \u0111\u1ed5i v\u00e0 ch\u1ec9nh s\u1eeda<\/td>\n<\/tr>\n
          Khu ph\u1ee5<\/td>\nKH\u00d4NG<\/td>\nCh\u1ec9 \u0111\u1ecdc<\/td>\n\u0110\u1ec3 d\u1ef1 ph\u00f2ng v\u00e0 c\u00e2n b\u1eb1ng t\u1ea3i<\/td>\n<\/tr>\n
          V\u00f9ng s\u01a1 khai<\/td>\nKH\u00d4NG<\/td>\nCh\u1ec9 \u0111\u1ecdc<\/td>\n\u0110\u1ec3 gi\u1ea3m l\u01b0u l\u01b0\u1ee3ng truy v\u1ea5n DNS<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          C\u00e1ch s\u1eed d\u1ee5ng v\u00f9ng DNS, v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p<\/h2>\n

          V\u00f9ng DNS \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e2n gi\u1ea3i DNS, t\u1eadp trung v\u00e0 \u1ee7y quy\u1ec1n, d\u1ef1 ph\u00f2ng, c\u00e2n b\u1eb1ng t\u1ea3i v\u00e0 qu\u1ea3n l\u00fd l\u01b0u l\u01b0\u1ee3ng DNS.<\/p>\n

          Tuy nhi\u00ean, vi\u1ec7c qu\u1ea3n l\u00fd v\u00f9ng DNS c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i nh\u1eefng th\u00e1ch th\u1ee9c ri\u00eang. D\u1eef li\u1ec7u DNS c\u00f3 th\u1ec3 tr\u1edf n\u00ean l\u1ed7i th\u1eddi, d\u1eabn \u0111\u1ebfn l\u1ed7i ph\u00e2n gi\u1ea3i. V\u1ea5n \u0111\u1ec1 n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft b\u1eb1ng c\u00e1ch tri\u1ec3n khai t\u00ednh n\u0103ng qu\u00e9t DNS, t\u1ef1 \u0111\u1ed9ng x\u00f3a c\u00e1c b\u1ea3n ghi DNS c\u0169. B\u1ea3o m\u1eadt chuy\u1ec3n v\u00f9ng DNS l\u00e0 m\u1ed9t m\u1ed1i quan t\u00e2m kh\u00e1c v\u00ec n\u00f3 c\u00f3 th\u1ec3 cho ph\u00e9p chuy\u1ec3n v\u00f9ng tr\u00e1i ph\u00e9p, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u b\u1eb1ng c\u00e1ch th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt chuy\u1ec3n v\u00f9ng nh\u01b0 TSIG (Ch\u1eef k\u00fd giao d\u1ecbch).<\/p>\n

          C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 nh\u1eefng so s\u00e1nh kh\u00e1c v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1<\/h2>\n

          C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a v\u00f9ng DNS bao g\u1ed3m t\u1eadp trung h\u00f3a v\u00e0 \u1ee7y quy\u1ec1n, d\u1ef1 ph\u00f2ng, c\u1eadp nh\u1eadt \u0111\u1ed9ng v\u00e0 chuy\u1ec3n v\u00f9ng.<\/p>\n

          V\u00f9ng DNS th\u01b0\u1eddng \u0111\u01b0\u1ee3c so s\u00e1nh v\u1edbi t\u00ean mi\u1ec1n DNS. M\u1eb7c d\u00f9 c\u1ea3 hai \u0111\u1ec1u l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a kh\u00f4ng gian t\u00ean DNS, mi\u1ec1n DNS l\u00e0 b\u1ea5t k\u1ef3 c\u00e2y ho\u1eb7c c\u00e2y con n\u00e0o trong h\u1ec7 th\u1ed1ng ph\u00e2n c\u1ea5p DNS, trong khi v\u00f9ng DNS l\u00e0 b\u1ea5t k\u1ef3 c\u00e2y con n\u00e0o \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd b\u1edfi m\u1ed9t m\u00e1y ch\u1ee7 DNS c\u1ee5 th\u1ec3.<\/p>\n

          M\u1ed9t thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1 kh\u00e1c l\u00e0 b\u1ea3n ghi DNS, l\u00e0 m\u1ed9t m\u1ee5c c\u1ee5 th\u1ec3 trong v\u00f9ng DNS \u00e1nh x\u1ea1 mi\u1ec1n t\u1edbi m\u1ed9t t\u00e0i nguy\u00ean c\u1ee5 th\u1ec3, nh\u01b0 \u0111\u1ecba ch\u1ec9 IP, trong khi v\u00f9ng DNS c\u00f3 th\u1ec3 ch\u1ee9a nhi\u1ec1u b\u1ea3n ghi.<\/p>\n\n\n\n\n\n\n
          Thu\u1eadt ng\u1eef<\/th>\n\u0110\u1eb7c tr\u01b0ng<\/th>\n\u0110i\u1ec3m t\u01b0\u01a1ng \u0111\u1ed3ng<\/th>\nS\u1ef1 kh\u00e1c bi\u1ec7t<\/th>\n<\/tr>\n<\/thead>\n
          T\u00ean mi\u1ec1n DNS<\/td>\nM\u1ed9t ph\u1ea7n c\u1ee7a h\u1ec7 th\u1ed1ng ph\u00e2n c\u1ea5p DNS<\/td>\nC\u1ea3 hai \u0111\u1ec1u l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a kh\u00f4ng gian t\u00ean DNS<\/td>\nT\u00ean mi\u1ec1n DNS c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a v\u00f9ng DNS<\/td>\n<\/tr>\n
          B\u1ea3n ghi DNS<\/td>\nNh\u1eadp v\u00e0o v\u00f9ng DNS<\/td>\nC\u1ea3 hai \u0111\u1ec1u l\u00e0 th\u00e0nh ph\u1ea7n c\u1ee7a v\u00f9ng DNS<\/td>\nM\u1ed9t v\u00f9ng DNS ch\u1ee9a nhi\u1ec1u b\u1ea3n ghi<\/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 v\u00f9ng DNS<\/h2>\n

          T\u01b0\u01a1ng lai c\u1ee7a c\u00e1c v\u00f9ng DNS g\u1eafn li\u1ec1n v\u1edbi t\u01b0\u01a1ng lai c\u1ee7a ch\u00ednh DNS. M\u1ed9t c\u00f4ng ngh\u1ec7 quan tr\u1ecdng trong t\u01b0\u01a1ng lai l\u00e0 DNS qua HTTPS (DoH) v\u00e0 DNS qua TLS (DoT), nh\u1eb1m m\u1ee5c \u0111\u00edch t\u0103ng t\u00ednh ri\u00eang t\u01b0 v\u00e0 b\u1ea3o m\u1eadt cho c\u00e1c truy v\u1ea5n DNS. M\u1ed9t l\u0129nh v\u1ef1c kh\u00e1c l\u00e0 c\u1ea3i ti\u1ebfn DNSSEC (Ti\u1ec7n \u00edch m\u1edf r\u1ed9ng b\u1ea3o m\u1eadt DNS), m\u1ed9t b\u1ed9 ti\u1ec7n \u00edch m\u1edf r\u1ed9ng gi\u00fap t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt cho giao th\u1ee9c DNS b\u1eb1ng c\u00e1ch cho ph\u00e9p c\u00e1c ph\u1ea3n h\u1ed3i DNS \u0111\u01b0\u1ee3c k\u00fd \u0111i\u1ec7n t\u1eed.<\/p>\n

          V\u1ec1 v\u00f9ng DNS, c\u00e1c c\u00f4ng ngh\u1ec7 v\u00e0 c\u00f4ng c\u1ee5 qu\u1ea3n l\u00fd m\u1edbi d\u1ef1 ki\u1ebfn s\u1ebd t\u1ef1 \u0111\u1ed9ng h\u00f3a v\u00e0 \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c qu\u1ea3n l\u00fd v\u00f9ng DNS, gi\u00fap c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng DNS tr\u1edf n\u00ean linh ho\u1ea1t v\u00e0 an to\u00e0n h\u01a1n, \u0111\u1ed3ng th\u1eddi c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t ph\u00e2n gi\u1ea3i DNS.<\/p>\n

          C\u00e1ch s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft m\u00e1y ch\u1ee7 proxy v\u1edbi v\u00f9ng DNS<\/h2>\n

          M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c ph\u00e2n gi\u1ea3i DNS v\u00e0 qu\u1ea3n l\u00fd v\u00f9ng. Khi m\u00e1y kh\u00e1ch g\u1eedi y\u00eau c\u1ea7u \u0111\u1ebfn m\u00e1y ch\u1ee7 proxy, m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 c\u1ea7n th\u1ef1c hi\u1ec7n tra c\u1ee9u DNS \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn y\u00eau c\u1ea7u c\u1ee7a m\u00e1y kh\u00e1ch \u0111\u1ebfn \u0111\u00fang m\u00e1y ch\u1ee7. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn vi\u1ec7c t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c v\u00f9ng DNS \u0111\u1ec3 ph\u00e2n gi\u1ea3i t\u00ean mi\u1ec1n.<\/p>\n

          Ngo\u00e0i ra, m\u00e1y ch\u1ee7 proxy ng\u01b0\u1ee3c c\u00f3 th\u1ec3 cung c\u1ea5p t\u00ednh n\u0103ng c\u00e2n b\u1eb1ng t\u1ea3i DNS. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, m\u00e1y ch\u1ee7 proxy s\u1eed d\u1ee5ng th\u00f4ng tin t\u1eeb v\u00f9ng DNS \u0111\u1ec3 ph\u00e2n ph\u1ed1i y\u00eau c\u1ea7u c\u1ee7a kh\u00e1ch h\u00e0ng tr\u00ean nhi\u1ec1u m\u00e1y ch\u1ee7, c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a d\u1ecbch v\u1ee5.<\/p>\n

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

          \u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 v\u00f9ng DNS, b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n

            \n
          1. T\u00ecm hi\u1ec3u c\u00e1c v\u00f9ng DNS v\u00e0 t\u1ec7p v\u00f9ng<\/a><\/li>\n
          2. Gi\u1edbi thi\u1ec7u v\u1ec1 v\u00f9ng DNS<\/a><\/li>\n
          3. C\u00e1c lo\u1ea1i b\u1ea3n ghi DNS v\u00e0 th\u1eddi \u0111i\u1ec3m s\u1eed d\u1ee5ng ch\u00fang<\/a><\/li>\n
          4. Hi\u1ec3u DNS<\/a><\/li>\n<\/ol>","protected":false},"featured_media":476952,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476951","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about DNS Zone: An In-depth Look<\/mark>","faq_items":[{"question":"What is a DNS zone?","answer":"

            A DNS zone is a portion of the domain name space that a specific DNS server is responsible for managing. It contains the records of all domains and subdomains under its authority, detailing information such as their corresponding IP addresses.<\/p>"},{"question":"Who conceived the idea of DNS zones?","answer":"

            The idea of DNS zones was conceived by Paul Mockapetris, an American computer scientist, in the early 1980s. His work led to the birth of DNS zones as a solution to the rapidly growing internet landscape.<\/p>"},{"question":"What are the key features of a DNS zone?","answer":"

            DNS zones provide several key features such as centralization and delegation of domains, redundancy and load balancing through multiple DNS servers, dynamic updates to the DNS zone files, and zone transfers, which allows primary DNS servers to share their zone files with secondary servers.<\/p>"},{"question":"How does a DNS zone work?","answer":"

            The DNS zone works by using various types of resource records such as Address Records (A and AAAA), Mail Exchanger Records (MX), Canonical Name Records (CNAME), etc., to map domain names to IP addresses. When a query to resolve a domain name is received, the DNS server checks its zone files and if the necessary record is available, it returns the record to the resolver.<\/p>"},{"question":"What are the different types of DNS zones?","answer":"

            There are three main types of DNS zones: Primary Zone (the editable main zone file), Secondary Zone (a read-only exact copy of the primary zone used for redundancy and load balancing), and Stub Zone (which contains information about the authoritative name servers for a zone, used to reduce DNS query traffic).<\/p>"},{"question":"What are the challenges associated with managing DNS zones?","answer":"

            Managing DNS zones can come with challenges such as outdated DNS data leading to resolution errors and security concerns with DNS zone transfers. These issues can be mitigated through techniques like DNS scavenging for stale DNS records and implementing zone transfer security measures.<\/p>"},{"question":"How are DNS zones related to proxy servers?","answer":"

            Proxy servers interact with DNS zones when they perform DNS lookups to route a client's request to the correct server. Additionally, reverse proxy servers can use information from DNS zones to provide DNS load balancing, distributing client requests across multiple servers to improve performance and reliability.<\/p>"},{"question":"What does the future hold for DNS zones?","answer":"

            The future of DNS zones is tied to the future of DNS itself, with advancements like DNS over HTTPS (DoH), DNS over TLS (DoT), and improvements in DNSSEC. New technologies and management tools are also expected to automate and simplify DNS zone management, bolster DNS infrastructure security, and enhance DNS resolution performance.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/476951","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/476951\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/476952"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=476951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}