AAAA records not consistent
Authoritative servers are returning different records.
- This is normal for AAAA records — they can be geo- or round-robin load-balanced.
- If this is not intentional, check your DNS server configuration.
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 columbia.edu .
managed by the owner of columbia.edu .
auth1.dns.cogentco.com
66.28.0.14
The official source of information for this domain,
managed by the owner of columbia.edu .
managed by the owner of columbia.edu .
auth2.dns.cogentco.com
66.28.0.30
The official source of information for this domain,
managed by the owner of columbia.edu .
managed by the owner of columbia.edu .
ns1.lse.ac.uk
158.143.96.8
India
123.252.234.214
Australia
125.209.158.129
United States of America
129.153.22.43
Russia
176.118.166.155
Ukraine
176.38.63.7
South Africa
41.23.99.5
Canada
51.79.40.76
Netherlands
91.201.165.34
2a10:50c0::ad1:ff
185.228.169.168
2001:4860:4860::8888
NextDNS
2a07:a8c1::53:54e9
OpenDns
2620:119:53::53
2620:fe::fe
The official source of information for this domain,
managed by the owner of columbia.edu .
managed by the owner of columbia.edu .
ext-ns1.columbia.edu
128.59.1.1
Brazil
138.94.117.3
1.0.0.1
No AAAA records found