A IPv4 address
1h
Columbia University
AS14
United States of America
New York City, New York
AAAA IPv6 address
1h
Columbia University
AS14
United States of America
New York City, New York
Columbia University
AS14
United States of America
New York City, New York
CNAME Canonical name
5m
ext-ns1.columbia.edu. has no CNAME records.
TXT Human readable text
5m
ext-ns1.columbia.edu. has no TXT records.
MX Mail server
5m
ext-ns1.columbia.edu. has no MX records.
NS Authoritative DNS server
5m
ext-ns1.columbia.edu. has no NS records.
NS records for this zone are defined at columbia.edu..
SOA Start of authority
5m
Zone apex
Start of authority
Email
Serial
92975
Refresh
1h
Retry
30m
Expire
28d
Negative cache TTL
5m

About these results

This page shows the DNS records for ext-ns1.columbia.edu.. By default it shows records of types A, AAAA, CNAME, TXT, NS, MX and SOA.

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The results on this page are freshly fetched just for you when you loaded this page. Wirewiki queried the autoritative DNS servers of ext-ns1.columbia.edu.. That means that these results are guaranteed to be accurate, because there are no caches in between that could potentially cause staleness.

To find the DNS records of a subdomain of ext-ns1.columbia.edu., or any nother domain name, go back to DNS lookup and enter the domain name.