www.ncbi.nlm.nih.gov
Updated:
2025-09-30 11:28:37 UTC (81 days ago)
Update now
DNS Server Responses
Responses for ncbi.nlm.nih.gov/DS
| Name | TTL | Type | Data | Status | Returned by | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| lhcns1.nlm.nih.gov. (130.14.55.72) | lhcns1.nlm.nih.gov. (2607:f220:41e:7055::72) | lhcns2.nlm.nih.gov. (130.14.55.128) | lhcns2.nlm.nih.gov. (2607:f220:41e:7055::128) | ns.nih.gov. (128.231.128.251) | ns.nih.gov. (2607:f220:404:101::80e7:80fb) | ns2.nih.gov. (128.231.64.1) | ns2.nih.gov. (2607:f220:418:4101::80e7:401) | ns3.nih.gov. (165.112.4.230) | ns3.nih.gov. (2607:f220:402:1801::a570:4e6) | |||||
| ncbi.nlm.nih.gov | 3600 | DS |
38815 8 2 8a57e2b59da1249da71b8a5fd47742182c4ae2c0c573692f61ef3fe3207c5a04 | OK | Y | Y | Y | Y | Y | Y | Y | Y | ||
| 3600 | RRSIG | DS 8 4 3600 20251018105411 20250918100008 15721 nlm.nih.gov. XhGbbpWLgaXTovMVJxxe6JWgNPCXV8NK 3QsRNnDJbiwOmzRAhI6ZZ5e3phk9xM4j ERh3eYlD5U9us6CgRsLeO+Brj15VlCMs pvCg6YEJrC/57TXckxWmduB/Sps29bP1 mp3A3sivP8tX8V0zTRqH+gOqnh8hZ1PP TgCFnpJpHV4= | VALID | Y | Y | Y | Y | Y | Y | Y | Y | |||
| RR count (Answer/Authority/Additional) | OK | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | |||||
| Response size (bytes) | OK | 292 | 292 | 292 | 292 | 292 | 292 | 292 | 292 | |||||
| Response time (ms) | OK | 285 | 291 | 286 | 286 | 296 | 285 | 291 | 296 | |||||
Responses for ncbi.nlm.nih.gov/DNSKEY
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| lhcns1.nlm.nih.gov. (130.14.55.72) | lhcns1.nlm.nih.gov. (2607:f220:41e:7055::72) | lhcns2.nlm.nih.gov. (130.14.55.128) | lhcns2.nlm.nih.gov. (2607:f220:41e:7055::128) | dns1-ncbi.ncbi.nlm.nih.gov. (130.14.29.31) | dns1-ncbi.ncbi.nlm.nih.gov. (2607:f220:41e:4290::31) | dns2-ncbi.ncbi.nlm.nih.gov. (130.14.29.32) | dns2-ncbi.ncbi.nlm.nih.gov. (2607:f220:41e:4290::32) | ns.nih.gov. (128.231.128.251) | ns.nih.gov. (2607:f220:404:101::80e7:80fb) | ns2.nih.gov. (128.231.64.1) | ns2.nih.gov. (2607:f220:418:4101::80e7:401) | ns3.nih.gov. (165.112.4.230) | ns3.nih.gov. (2607:f220:402:1801::a570:4e6) | |||||
| ncbi.nlm.nih.gov | 86400 | DNSKEY |
256 3 8 AwEAAckbjcIcrq6FtRGMe7V+tGEUQ4qL IBOkJphv9sf4mSEKnS2gewnpk5Vaneem Jg5K9WhHKfk6IcFkuliVe0BrshwCbiDy EiN2u6mmYO9qGROOLWQAfcpE2l1P4XdJ 9GfT57CL8ilu/myAuo6MgPXn94CAXBPP Vg9cNl9Q5QsQPSyYXdjcJUerLYo0QAcb 7GRHlCor/nWxUX+BKZ7gvcl1zo1HYPin KP54vGDYI5AFqBYn4lujwWgIrpeISxdB dsOlskp56JwgEyEt+dBUloFQG8agiRKy jl27ZDCBu5y95wIyCvbjkAAUvqGfvS6/ 9JajhConHPfpZECJOVbp9kWgBOc= ; key tag = 16545
257 3 8 AwEAAZpv1rD4NfzPl48ycuzC23w9Oz5w +DJTGuSo4aY6Hjs5McEkMGafG+f+/KVK QJNGOLc3sz0NRWN8O87f4zbS/ohcfYRe 59lJdCqHVG1xfYrzGro0PXtqUlqNhBdw vJVeBODffYZAvKrot7RNADeZ8DSS1EVU dQ+GwGx+KjRWfnUqjvj9wmn0IxWFlPml Ahmx8365k4nocmzgIFMdOWbCpmojzRAq P26++AACtPzurFZ1UDp+gr0TnCHYJjTK no7K0she8b0n2QaCPZ4e29P0NUsfCsoP nYzy9CzuLAnl36YWKbmS1lVDYAlRh6LA jA4xDeqgfMsmAjncDYvYqN+ZJ80= ; key tag = 38815 | OK | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | |||
| 86400 | RRSIG | DNSKEY 8 4 86400 20260203182655 20250807182655 38815 ncbi.nlm.nih.gov. l9GG6tDxE2rspDZS3L/c9Maq4I1zlyZM rK+vBoBB3pux9jWOn2zcDLyJiTk9GW6H jfTiRXVoLgXCvF+m4mqrNK71ADZdMabX YXuuFYBHB9VfOQfhRzz+kGM1/3SAWD3T 7f+TXulTfpXrk58hdmZoGuxVd3cHly+x Sjd4xwy4KmASYZRQ6aMBuHPREqjJdPfE YldX/VM0fZzNoP5hOgZg/8zImDYO5xGn u5HYhWcpR//QXv07n1JbaTaEw13o/YiZ +c5vC2TXXb4JHLuZJbQwAPO2udv8rnsa 1WX1eNLQ0nUaRSq+O11yWR2X5LvSySmo Jn3fm2dBSDJAuR6awtia3w== | VALID | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | ||||
| 86400 | RRSIG | DNSKEY 8 4 86400 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. Yav+rwBEDzf5rtLXpuU2BWKr4kDNwzaU EtjWNR+PZnWlfMSRGiSrvX8wDfIzlfoK J455S8ruuQ3SWYldtxcPHZ5QYAUjSqbv Sh5nbouTEAx65NJqloWGcwKgCww1wEe/ O9IgWcrsr2VGHb3SY0DNHdNh4sOcp2VV KDfdUqWSGFE615/kWH04UrDTByK3yynw n4MPMqlMCEwb/dnEpODPBktnXPshHpVH josU8JxHAc4CfIn+okHSlvwAxEYnuP+x zvenmDusRW9xrzUem3uqYanA2e9gMySY zHPa06X6nwsiqkm4mMtPazePN3sAq6Tu LHJiNJc8qWr3baOkMAjbxw== | VALID | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | ||||
| RR count (Answer/Authority/Additional) | OK | 4/0/1 | 4/0/1 | 4/0/1 | 4/0/1 | 4/0/1 | 4/0/1 | 4/0/1 | 4/0/1 | 4/0/1 | 4/0/1 | 4/0/1 | ||||||
| Response size (bytes) | OK | 1233 | 1233 | 1233 | 1233 | 1233 | 1233 | 1233 | 1233 | 1233 | 1233 | 1233 | ||||||
| Response time (ms) | OK | 317 | 235 | 319 | 235 | 134 | 249 | 608 | 609 | 128 | 440 | 437 | ||||||
Responses for ncbi.nlm.nih.gov/NS
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| lhcns1.nlm.nih.gov. (130.14.55.72) | lhcns1.nlm.nih.gov. (2607:f220:41e:7055::72) | lhcns2.nlm.nih.gov. (130.14.55.128) | lhcns2.nlm.nih.gov. (2607:f220:41e:7055::128) | dns1-ncbi.ncbi.nlm.nih.gov. (130.14.29.31) | dns1-ncbi.ncbi.nlm.nih.gov. (2607:f220:41e:4290::31) | dns2-ncbi.ncbi.nlm.nih.gov. (130.14.29.32) | dns2-ncbi.ncbi.nlm.nih.gov. (2607:f220:41e:4290::32) | ns.nih.gov. (128.231.128.251) | ns.nih.gov. (2607:f220:404:101::80e7:80fb) | ns2.nih.gov. (128.231.64.1) | ns2.nih.gov. (2607:f220:418:4101::80e7:401) | ns3.nih.gov. (165.112.4.230) | ns3.nih.gov. (2607:f220:402:1801::a570:4e6) | |||||
| ncbi.nlm.nih.gov | 604800 | NS |
ns.nih.gov.
ns2.nih.gov.
ns3.nih.gov.
lhcns1.nlm.nih.gov.
lhcns2.nlm.nih.gov.
dns1-ncbi.ncbi.nlm.nih.gov.
dns2-ncbi.ncbi.nlm.nih.gov. | OK | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y |
| 604800 | RRSIG | NS 8 4 604800 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. PbWlH0faCmOtveCjdHcFJKFWjo4B3k5j ngN9Go5HvFEqTk1FB5yIj85gysnoyZmH queHznG+O3LP5MYaBf8PUIXmdqfe7UMR TyzrqwioK0X/3P6GoCOBqP5Y3oOV8gGM YTuZJ89vkaDso1/o+wcaH9mzbgvTNI8p BExI8d+et03nO7cXtGcsV3FXz02UA+If iLIt2b03P9+MKy9MP7FmLvwP8ty8mMyr MlKZWyY1coa72PgsdrgzOx2bsFsxkfW4 bWjrLxaYvfjqcHuEQ1oRvD51ukb+wH1u VD4uHmfzr/5TPZ6U+Lbqk76rQ6WQFZJK 0v8CVjYtbynrIS8yv82Zsw== | VALID | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | |
| RR count (Answer/Authority/Additional) | OK | 8/0/9 | 8/0/9 | 8/0/9 | 8/0/9 | 8/0/7 | 8/0/7 | 8/0/7 | 8/0/7 | 8/0/6 | 8/0/1 | 8/0/6 | 8/0/6 | 8/0/6 | 8/0/6 | |||
| Response size (bytes) | OK | 1837 | 1837 | 1837 | 1837 | 1223 | 1223 | 1223 | 1223 | 919 | 499 | 919 | 919 | 919 | 919 | |||
| Response time (ms) | OK | 64 | 129 | 69 | 134 | 62 | 81 | 62 | 74 | 78 | 66 | 70 | 66 | 70 | 74 | |||
Responses for www.ncbi.nlm.nih.gov/A
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| lhcns1.nlm.nih.gov. (130.14.55.72) | lhcns1.nlm.nih.gov. (2607:f220:41e:7055::72) | lhcns2.nlm.nih.gov. (130.14.55.128) | lhcns2.nlm.nih.gov. (2607:f220:41e:7055::128) | dns1-ncbi.ncbi.nlm.nih.gov. (130.14.29.31) | dns1-ncbi.ncbi.nlm.nih.gov. (2607:f220:41e:4290::31) | dns2-ncbi.ncbi.nlm.nih.gov. (130.14.29.32) | dns2-ncbi.ncbi.nlm.nih.gov. (2607:f220:41e:4290::32) | ns.nih.gov. (128.231.128.251) | ns.nih.gov. (2607:f220:404:101::80e7:80fb) | ns2.nih.gov. (128.231.64.1) | ns2.nih.gov. (2607:f220:418:4101::80e7:401) | ns3.nih.gov. (165.112.4.230) | ns3.nih.gov. (2607:f220:402:1801::a570:4e6) | |||||
| www.ncbi.nlm.nih.gov | 7200 | CNAME |
www.wip.ncbi.nlm.nih.gov. | OK | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y |
| 7200 | RRSIG | CNAME 8 5 7200 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. CXmCyHxyh3+V14TWl3I+wvifrWYMri+C 3oNI4XK/x6GUrE923ERAnxyViwo3Rkno hTpe8BoL0NQ0l4P2UjFMMyKIka+XYdx4 9Bp6DNgx3MgQXhvT3aOdZBknpoBOK5xK 0MWVDr5VOoX9oL+Ponjz5wKBe9eH+EdN OHjOm2UPGzVpvO4FEFSqwk2ig4Gy/OlT muFX0mCgrAt48cMxIVwc9b0+WUe3IDkV 2GPU/bElXCD9xFwGBelMwPl11quxCG/5 KzPVGupQsTGnGuhaaw2jP74r/gD6GLGM tyOEsjF6NnoXIxX3ESJ9LqSIWZyp+ZbV TyQ0jgYOsa2XazOyv9AYTw== | VALID | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | |
| RR count (Answer/Authority/Additional) | OK | 2/5/1 | 2/5/1 | 2/5/1 | 2/5/1 | 2/5/1 | 2/5/1 | 2/5/1 | 2/5/1 | 2/5/1 | 2/5/1 | 2/5/1 | 2/5/1 | 2/5/1 | 2/5/1 | |||
| Response size (bytes) | OK | 834 | 834 | 834 | 834 | 834 | 834 | 834 | 834 | 834 | 834 | 834 | 834 | 834 | 834 | |||
| Response time (ms) | OK | 75 | 81 | 75 | 82 | 91 | 108 | 64 | 81 | 72 | 101 | 101 | 98 | 91 | 101 | |||
Responses for www.ncbi.nlm.nih.gov/AAAA
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| lhcns1.nlm.nih.gov. (130.14.55.72) | lhcns1.nlm.nih.gov. (2607:f220:41e:7055::72) | lhcns2.nlm.nih.gov. (130.14.55.128) | lhcns2.nlm.nih.gov. (2607:f220:41e:7055::128) | dns1-ncbi.ncbi.nlm.nih.gov. (130.14.29.31) | dns1-ncbi.ncbi.nlm.nih.gov. (2607:f220:41e:4290::31) | dns2-ncbi.ncbi.nlm.nih.gov. (130.14.29.32) | dns2-ncbi.ncbi.nlm.nih.gov. (2607:f220:41e:4290::32) | ns.nih.gov. (128.231.128.251) | ns.nih.gov. (2607:f220:404:101::80e7:80fb) | ns2.nih.gov. (128.231.64.1) | ns2.nih.gov. (2607:f220:418:4101::80e7:401) | ns3.nih.gov. (165.112.4.230) | ns3.nih.gov. (2607:f220:402:1801::a570:4e6) | |||||
| www.ncbi.nlm.nih.gov | 7200 | CNAME |
www.wip.ncbi.nlm.nih.gov. | OK | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y |
| 7200 | RRSIG | CNAME 8 5 7200 20260203182655 20250807182655 16545 ncbi.nlm.nih.gov. CXmCyHxyh3+V14TWl3I+wvifrWYMri+C 3oNI4XK/x6GUrE923ERAnxyViwo3Rkno hTpe8BoL0NQ0l4P2UjFMMyKIka+XYdx4 9Bp6DNgx3MgQXhvT3aOdZBknpoBOK5xK 0MWVDr5VOoX9oL+Ponjz5wKBe9eH+EdN OHjOm2UPGzVpvO4FEFSqwk2ig4Gy/OlT muFX0mCgrAt48cMxIVwc9b0+WUe3IDkV 2GPU/bElXCD9xFwGBelMwPl11quxCG/5 KzPVGupQsTGnGuhaaw2jP74r/gD6GLGM tyOEsjF6NnoXIxX3ESJ9LqSIWZyp+ZbV TyQ0jgYOsa2XazOyv9AYTw== | VALID | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | |
| RR count (Answer/Authority/Additional) | OK | 2/5/1 | 2/5/1 | 2/5/1 | 2/5/1 | 2/5/1 | 2/5/1 | 2/5/1 | 2/5/1 | 2/5/1 | 2/5/1 | 2/5/1 | 2/5/1 | 2/5/1 | 2/5/1 | |||
| Response size (bytes) | OK | 834 | 834 | 834 | 834 | 834 | 834 | 834 | 834 | 834 | 834 | 834 | 834 | 834 | 834 | |||
| Response time (ms) | OK | 115 | 125 | 118 | 118 | 128 | 141 | 66 | 123 | 113 | 136 | 136 | 133 | 131 | 138 | |||
