NS records not consistent
Authoritative servers agree, but not all other servers have updated yet.
- Recently moved this domain to another DNS server? Check the NS records .
- 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
The server manages the
gov
zone,
which is the parent zone of this domain.
which is the parent zone of this domain.
a.ns.gov
Delegating server
199.33.230.1
The server manages the
gov
zone,
which is the parent zone of this domain.
which is the parent zone of this domain.
b.ns.gov
Delegating server
199.33.231.1
The server manages the
gov
zone,
which is the parent zone of this domain.
which is the parent zone of this domain.
c.ns.gov
Delegating server
199.33.232.1
The server manages the
gov
zone,
which is the parent zone of this domain.
which is the parent zone of this domain.
d.ns.gov
Delegating server
199.33.233.1
India
172.232.76.111
Brazil
200.231.34.18
Australia
203.22.100.10
United States of America
208.93.196.147
Netherlands
209.250.241.206
Canada
24.37.219.202
South Africa
41.23.114.73
Ukraine
91.239.232.181
2a10:50c0::ad2:ff
185.228.168.168
1.1.1.1
8.8.4.4
NextDNS
45.90.30.66
OpenDns
208.67.220.220
9.9.9.9
Russia
217.26.29.42
No NS records found