CF1759406245608-tsm20251002085755

IPLIST.NET - cs.columbia.edu

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cs.columbia.edu checked at 2025-10-02T11:57:25.593Z 209ms 105/105/105 100% R:10

cs.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
NSext-ns2.columbia.edu
A128.59.1.2🇺🇸 Columbia University
PTRext-ns2.columbia.edu
MXmxa-00364e01.gslb.pphosted.com
A148.163.135.74🇺🇸 Proofpoint
PTRmx0a-00364e01.pphosted.com
MXmxb-00364e01.gslb.pphosted.com
A148.163.139.74🇺🇸 Proofpoint
PTRmx0b-00364e01.pphosted.com
NSapollo.cs.columbia.edu
A128.59.16.69🇺🇸 Columbia University
PTRapollo.cs.columbia.edu
NSdiana.cs.columbia.edu
A128.59.11.232🇺🇸 Columbia University
PTRdiana.cs.columbia.edu
NSsundog.ee.columbia.edu
A128.59.64.59🇺🇸 Columbia University
PTRriverside.ee.columbia.edu
PTRsundog.ee.columbia.edu
A128.59.11.206🇺🇸 Columbia University
PTRwebcluster.cs.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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Starts with same word

Starts similarily

AI analysis

cs.columbia.edu is a parent of darkfae.cs.columbia.edu, mineral.cs.columbia.edu, sos10.cs.columbia.edu, animal.cs.columbia.edu, dglasner-pc.cs.columbia.edu and several hundreds other host names.

cs.columbia.edu points to IP number: 128.59.11.206.

Other host names, for instance webcluster.cs.columbia.edu share IP numbers with cs.columbia.edu.

cs.columbia.edu is delegated to five name servers: ext-ns1.columbia.edu, ext-ns2.columbia.edu, apollo.cs.columbia.edu, diana.cs.columbia.edu and sundog.ee.columbia.edu.

cs.columbia.edu at least partially shares name servers with other domains, for instance 210.150.in-addr.arpa, ldeo.columbia.edu, dhcp.hunter.cuny.edu, 100.145.156.in-addr.arpa and 110.145.156.in-addr.arpa.

These name servers are commonly used alongside acme.ucc.cuny.edu, lavinia.cis.cuny.edu, ns1.nyp.org, ns2.nyp.org, ns10.customer.level3.net, ns15.customer.level3.net, auth1.dns.cogentco.com, auth2.dns.cogentco.com, auth4.dns.cogentco.com and auth5.dns.cogentco.com.

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 ext-ns2.columbia.edu points to: 128.59.1.2.

The host name apollo.cs.columbia.edu points to: 128.59.16.69.

The host name diana.cs.columbia.edu points to: 128.59.11.232.

The host name sundog.ee.columbia.edu points to: 128.59.64.59.

cs.columbia.edu is handled by two mail servers: mxa-00364e01.gslb.pphosted.com and mxb-00364e01.gslb.pphosted.com.

The mail server setup for cs.columbia.edu matches that of other domains, for instance ctm.columbia.edu, mail.columbia.edu, stat.columbia.edu, idse.columbia.edu and cul.columbia.edu.

Host names with a single IP:

mxa-00364e01.gslb.pphosted.com points to 148.163.135.74.

mxb-00364e01.gslb.pphosted.com points to 148.163.139.74.

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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hHrjHpX CF johedugfp 2025-10-02