AAAA records not consistent
Authoritative servers agree, but not all other servers do.
- This is normal for AAAA records. They can be geo- or round-robin load-balanced.
- 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 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 .
ext-ns1.columbia.edu
128.59.1.1
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
India
129.154.226.9
Russia
141.101.193.134
Ukraine
176.38.63.7
South Africa
41.23.190.166
Canada
51.79.40.76
Australia
59.102.109.236
Netherlands
91.201.165.34
2a10:50c0::ad2:ff
1.0.0.1
8.8.4.4
NextDNS
45.90.30.66
OpenDns
208.67.220.220
9.9.9.9
CNAME
neuroepigenomics.org
Brazil
38.156.0.139
No AAAA records found