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
Australia
106.68.151.40
Netherlands
109.236.82.195
India
125.17.13.54
United States of America
129.153.155.81
Canada
159.89.121.86
Brazil
187.102.161.38
South Africa
41.23.184.213
Russia
87.239.109.119
Ukraine
91.231.206.115
2a10:50c0::ad2:ff
2606:4700:4700::1111
2001:4860:4860::8844
NextDNS
2a07:a8c1::53:54e9
OpenDns
2620:119:53::53
2620:fe::fe
No OPT records found