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
Australia
106.69.251.252
United States of America
129.153.22.43
Netherlands
195.63.166.174
South Africa
41.23.252.44
Russia
91.219.149.25
94.140.15.15
185.228.169.168
2001:4860:4860::8844
NextDNS
45.90.30.66
OpenDns
2620:119:53::53
149.112.112.112
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
138.94.119.8
India
139.84.208.120
Ukraine
194.44.89.6
Canada
51.79.40.76
1.0.0.1
No AAAA records found