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
South Africa
105.243.200.205
Australia
110.175.136.88
Ukraine
176.227.246.254
Russia
185.11.246.13
India
185.67.125.225
Netherlands
45.77.137.48
Canada
51.79.60.36
2a10:50c0::ad2:ff
185.228.168.168
8.8.8.8
NextDNS
2a07:a8c1::53:54e9
OpenDns
2620:119:53::53
9.9.9.9
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
United States of America
129.153.155.81
Brazil
138.94.116.17
1.1.1.1
No AAAA records found