www.ncbi.nlm.nih.gov
Updated:
2025-03-02 18:32:12 UTC (324 days ago)
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DNS Server Status
Delegation Information
| Name | Parent zone | Child zone | Authoritative IPs | |||
|---|---|---|---|---|---|---|
| Exists? | Glue/additional records | Exists? | ||||
| lhcns1.nlm.nih.gov | indeterminate* | yes | A | 130.14.55.72 | ||
| AAAA | 2607:f220:41e:7055::72 | |||||
| lhcns2.nlm.nih.gov | indeterminate* | yes | A | 130.14.55.128 | ||
| AAAA | 2607:f220:41e:7055::128 | |||||
| dns1-ncbi.ncbi.nlm.nih.gov | indeterminate* | yes | A | 130.14.29.31 | ||
| AAAA | 2607:f220:41e:4290::31 | |||||
| dns2-ncbi.ncbi.nlm.nih.gov | indeterminate* | yes | A | 130.14.29.32 | ||
| AAAA | 2607:f220:41e:4290::32 | |||||
Stealth Servers
(non-delegated servers from ancestor zones answering authoritatively)
| Name | Zone | IP |
|---|---|---|
| ns.nih.gov | nlm.nih.gov | 128.231.128.251 |
| ns.nih.gov | nlm.nih.gov | 2607:f220:404:101::80e7:80fb |
| ns2.nih.gov | nlm.nih.gov | 128.231.64.1 |
| ns2.nih.gov | nlm.nih.gov | 2607:f220:418:4101::80e7:401 |
| ns3.nih.gov | nlm.nih.gov | 165.112.4.230 |
| ns3.nih.gov | nlm.nih.gov | 2607:f220:402:1801::a570:4e6 |
