CF1763271874070-tsm20251109205412

WWW.RTSAK.COM - ext-ns2.columbia.edu

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ext-ns2.columbia.edu checked at 2025-11-16T05:44:34.045Z 198ms 32/32/32 100% R:15 allDone:true timedOut:false

ext-ns2.columbia.edu

A128.59.1.2🇺🇸 Columbia University
PTRext-ns2.columbia.edu

columbia.edu

NSext-ns1.columbia.edu
NSauth1.dns.cogentco.com
NSauth2.dns.cogentco.com
NSauth4.dns.cogentco.com
NSauth5.dns.cogentco.com
MXmxa-00364e01.gslb.pphosted.com
MXmxb-00364e01.gslb.pphosted.com
NSns1.lse.ac.uk
A162.159.128.65 Cloudflare
A162.159.138.64 Cloudflare
rank #271 globally
rank #9 in the tld
This domain name "columbia.edu" is associated with Columbia University, a private Ivy League research university located in New York City. It is used for the university's main website, email addresses, and various online services related to the institution. The ".edu" extension indicates that the domain is primarily used for educational institutions.

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AI analysis

The name server ext-ns2.columbia.edu handles millertheatre.com, 166.236.129.in-addr.arpa, 255.236.129.in-addr.arpa, ctr.columbia.edu, 19.59.128.in-addr.arpa and a few other domains.

Together with ext-ns2.columbia.edu, ext-ns1.columbia.edu, apollo.cs.columbia.edu and sundog.ee.columbia.edu are commonly used as name servers.

ext-ns2.columbia.edu points to a single IP: 128.59.1.2.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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