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
United States of America
129.153.22.43
Netherlands
144.31.92.52
Brazil
187.115.153.50
Russia
194.190.153.232
Ukraine
37.17.246.57
South Africa
41.0.172.36
Canada
51.79.40.76
Australia
60.241.143.188
94.140.14.14
185.228.168.168
1.1.1.1
2001:4860:4860::8844
NextDNS
2a07:a8c0::53:54e9
9.9.9.9
No OPT records found