A records not consistent
Authoritative servers agree, but not all other servers do.
- This is normal for A records. They can be geo- or round-robin load-balanced.
- Some servers may have cached older records. Wait for their TTLs to expire.
DNS server
TTL
Time To Live
The amount of time a DNS record is cached for.
Records returned by these servers
The official source of information for this domain,
managed by the owner of nih.gov .
managed by the owner of nih.gov .
ns.nih.gov
128.231.128.251
The official source of information for this domain,
managed by the owner of nih.gov .
managed by the owner of nih.gov .
ns2.nih.gov
128.231.64.1
The official source of information for this domain,
managed by the owner of nih.gov .
managed by the owner of nih.gov .
ns3.nih.gov
165.112.4.230
South Africa
105.244.179.47
Australia
14.203.209.94
Netherlands
185.92.222.101
United States of America
199.127.218.254
Russia
217.26.29.42
India
27.107.134.121
Brazil
45.187.100.79
Ukraine
91.239.232.181
94.140.14.14
2a0d:2a00:1::
1.0.0.1
2001:4860:4860::8888
NextDNS
2a07:a8c1::53:54e9
OpenDns
2620:119:35::35
2620:fe::fe
Canada
176.125.239.188
No A records found