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
United States of America
129.153.22.43
Netherlands
144.31.92.52
India
163.61.31.36
Russia
194.190.153.232
South Africa
41.0.172.36
Canada
51.79.40.76
2a10:50c0::ad2:ff
2001:4860:4860::8888
NextDNS
45.90.28.66
OpenDns
208.67.222.222
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
Ukraine
185.209.59.147
Brazil
45.168.120.8
Australia
58.96.61.45
185.228.168.168
1.0.0.1
No AAAA records found