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
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
India
103.233.24.101
South Africa
105.243.200.72
United States of America
160.79.118.231
Canada
176.125.239.13
Brazil
179.211.64.194
Australia
203.63.63.201
Ukraine
37.115.192.215
Netherlands
89.23.103.12
94.140.14.14
185.228.169.168
2606:4700:4700::1001
8.8.4.4
NextDNS
45.90.28.66
OpenDns
208.67.222.222
149.112.112.112
Russia
109.69.19.230
No AAAA records found