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
110.174.62.118
United States of America
129.153.155.81
India
182.156.137.156
Brazil
187.102.161.38
South Africa
41.23.184.213
Canada
51.79.60.37
Russia
81.163.17.28
Netherlands
89.23.103.62
Ukraine
91.241.176.31
94.140.15.15
185.228.169.168
1.1.1.1
2001:4860:4860::8888
NextDNS
2a07:a8c1::53:54e9
OpenDns
208.67.220.220
9.9.9.9
No OPT records found