CF1762133130521-tsm20251102073205

DNSWHOIS.INFO - osr.columbia.edu

Search for IP or hostnames:

osr.columbia.edu checked at 2025-11-03T01:25:30.504Z 450ms 57/57/57 100% R:14

osr.columbia.edu

NSext-ns1.columbia.edu
A2001:18d8::35 🇺🇸 Columbia University
PTRext-ns1.columbia.edu
A2001:18d8:1::1:1 🇺🇸 Columbia University
PTRext-ns1.columbia.edu
A128.59.1.1🇺🇸 Columbia University
PTRext-ns1.columbia.edu
NSns1.nyp.org
A156.145.252.11🇺🇸 NYP-INTERNET
PTRns1.nyp.org
NSns2.nyp.org
A143.104.238.11🇺🇸 NYP-INTERNET
PTRns2.nyp.org

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.

Starts with same word

Starts similarily

AI analysis

The domain osr.columbia.edu is delegated to three name servers: ext-ns1.columbia.edu, ns1.nyp.org and ns2.nyp.org.

osr.columbia.edu shares name servers with other domains at least partially, for instance brooklyn.cuny.edu, braingenethics.cumc.columbia.edu, amistadresource.org, law.columbia.edu and laguardia.cuny.edu.

these name servers are commonly used with the name servers lex-iblxext1.med.cornell.edu, york-iblxext1.med.cornell.edu, ext-ns2.columbia.edu, acme.ucc.cuny.edu, lavinia.cis.cuny.edu, ns10.customer.level3.net, ns15.customer.level3.net, apollo.cs.columbia.edu, diana.cs.columbia.edu and sundog.ee.columbia.edu.

Host names with three IP numbers:

The host name ext-ns1.columbia.edu points to: 2001:18d8::35, 2001:18d8:1::1:1 and 128.59.1.1.

Host names with one IP number:

The host name ns1.nyp.org points to: 156.145.252.11.

The host name ns2.nyp.org points to: 143.104.238.11.

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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