AAAA records not consistent
Authoritative servers agree, but not all other servers do.
- This is normal for AAAA 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
South Africa
102.135.153.35
Canada
176.125.239.109
Australia
203.63.63.201
Ukraine
37.115.192.215
Netherlands
45.150.109.125
Brazil
45.5.255.37
India
49.200.185.228
2a10:50c0::ad2:ff
2a0d:2a00:2::
2606:4700:4700::1001
2001:4860:4860::8844
NextDNS
45.90.28.66
OpenDns
2620:119:35::35
149.112.112.112
Russia
109.69.19.230
United States of America
204.152.219.152
No AAAA records found