OPT records have propagated
All servers we queried returned the same DNS records.
Not the record you expected?
- Recently moved this domain to another DNS server? Check the NS records .
- Check for typos and misconfigurations.
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
South Africa
105.255.121.126
Australia
118.209.209.191
United States of America
129.153.22.43
Brazil
138.94.119.63
Netherlands
185.181.8.36
Canada
51.79.40.76
India
65.20.91.169
Ukraine
91.219.252.142
Russia
95.167.70.28
94.140.15.15
2606:4700:4700::1111
8.8.4.4
NextDNS
2a07:a8c1::53:54e9
OpenDns
2620:119:53::53
2620:fe::9
No OPT records found