PTR 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 ip4b.net .
managed by the owner of ip4b.net .
ns1.isp.ip4b.net
199.168.216.247
The official source of information for this domain,
managed by the owner of ip4b.net .
managed by the owner of ip4b.net .
ns2.isp.ip4b.net
192.148.112.247
Australia
110.174.62.118
United States of America
129.153.155.81
Russia
155.212.145.25
Netherlands
160.238.65.215
India
185.67.125.225
Brazil
187.102.161.38
South Africa
41.23.240.216
Ukraine
91.241.176.31
94.140.15.15
2a0d:2a00:1::
1.0.0.1
2001:4860:4860::8844
NextDNS
2a07:a8c1::53:54e9
OpenDns
208.67.220.220
2620:fe::9
CNAME
harvard.isp.ip4b.net
Canada
176.125.239.73
No PTR records found