OPT records not consistent
Authoritative servers are returning different records.
- This likely indicates a DNS server configuration issue.
- Records may not have propagated among authoritative servers yet.
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
Australia
124.148.76.154
United States of America
129.153.22.43
India
129.154.226.9
Brazil
138.94.117.51
Russia
178.253.45.86
Ukraine
195.69.178.42
Netherlands
5.2.78.119
Canada
51.79.40.76
94.140.14.14
185.228.169.168
2606:4700:4700::1111
8.8.8.8
NextDNS
45.90.28.66
2620:fe::9
No OPT records found
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
41.23.190.166
CNAME
neuroepigenomics.org