NS records have propagated
All servers we queried returned the same DNS records.
Not the record you expected?
- 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
The server manages the
edu
zone,
which is the parent zone of this domain.
which is the parent zone of this domain.
a.edu-servers.net
Delegating server
192.5.6.30
The server manages the
edu
zone,
which is the parent zone of this domain.
which is the parent zone of this domain.
b.edu-servers.net
Delegating server
192.33.14.30
The server manages the
edu
zone,
which is the parent zone of this domain.
which is the parent zone of this domain.
c.edu-servers.net
Delegating server
192.26.92.30
The server manages the
edu
zone,
which is the parent zone of this domain.
which is the parent zone of this domain.
d.edu-servers.net
Delegating server
192.31.80.30
The server manages the
edu
zone,
which is the parent zone of this domain.
which is the parent zone of this domain.
e.edu-servers.net
Delegating server
192.12.94.30
The server manages the
edu
zone,
which is the parent zone of this domain.
which is the parent zone of this domain.
f.edu-servers.net
Delegating server
192.35.51.30
The server manages the
edu
zone,
which is the parent zone of this domain.
which is the parent zone of this domain.
g.edu-servers.net
Delegating server
192.42.93.30
The server manages the
edu
zone,
which is the parent zone of this domain.
which is the parent zone of this domain.
h.edu-servers.net
Delegating server
192.54.112.30
The server manages the
edu
zone,
which is the parent zone of this domain.
which is the parent zone of this domain.
i.edu-servers.net
Delegating server
192.43.172.30
The server manages the
edu
zone,
which is the parent zone of this domain.
which is the parent zone of this domain.
j.edu-servers.net
Delegating server
192.48.79.30
The server manages the
edu
zone,
which is the parent zone of this domain.
which is the parent zone of this domain.
k.edu-servers.net
Delegating server
192.52.178.30
The server manages the
edu
zone,
which is the parent zone of this domain.
which is the parent zone of this domain.
l.edu-servers.net
Delegating server
192.41.162.30
The server manages the
edu
zone,
which is the parent zone of this domain.
which is the parent zone of this domain.
m.edu-servers.net
Delegating server
192.55.83.30
94.140.14.14
1.0.0.1
8.8.8.8
NextDNS
45.90.28.66
OpenDns
208.67.220.220
149.112.112.112