CF1759388440822-tsm20251001211114

IPLIST.NET - ncl.cs.columbia.edu

Search for IP or hostnames:

ncl.cs.columbia.edu checked at 2025-10-02T07:00:40.794Z 151ms 87/87/87 100% R:13

ncl.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
A2001:18d8::53 🇺🇸 Columbia University
PTRext-ns2.columbia.edu
A2001:18d8:1:1::1:1 🇺🇸 Columbia University
PTRext-ns2.columbia.edu
A128.59.1.2🇺🇸 Columbia University
PTRext-ns2.columbia.edu
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
MXmail-in.cc.l.columbia.edu
A128.59.11.164🇺🇸 Columbia University
PTRncl-www.ncl.cs.columbia.edu

cs.columbia.edu

NSext-ns1.columbia.edu
NSext-ns2.columbia.edu
MXmxa-00364e01.gslb.pphosted.com
MXmxb-00364e01.gslb.pphosted.com
NSapollo.cs.columbia.edu
NSdiana.cs.columbia.edu
NSsundog.ee.columbia.edu
A128.59.11.206🇺🇸 Columbia University

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AI analysis

The parent of ncl-www.ncl.cs.columbia.edu is ncl.cs.columbia.edu.

ncl.cs.columbia.edu points to IP number: 128.59.11.164.

Other host names, for instance ncl-www.ncl.cs.columbia.edu share IP numbers with ncl.cs.columbia.edu.

ncl.cs.columbia.edu is delegated to four name servers: ext-ns1.columbia.edu, ext-ns2.columbia.edu, apollo.cs.columbia.edu and diana.cs.columbia.edu.

ncl.cs.columbia.edu at least partially shares name servers with other domains, for instance hhmi.columbia.edu, sipa.columbia.edu, 39.160.in-addr.arpa, 59.128.in-addr.arpa and sph.cuny.edu.

These name servers are commonly used alongside sundog.ee.columbia.edu, 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 and auth4.dns.cogentco.com.

Host names with three IP numbers:

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

ext-ns2.columbia.edu points to: 2001:18d8::53, 2001:18d8:1:1::1:1 and 128.59.1.2.

Host names with one IP number:

apollo.cs.columbia.edu points to: 128.59.16.69.

diana.cs.columbia.edu points to: 128.59.11.232.

ncl.cs.columbia.edu is handled by a single mail server, mail-in.cc.l.columbia.edu.

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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