CF1760394902563-tsm20251012143351

IPLIST.NET - 166.236.129.in-addr.arpa

Search for IP or hostnames:

166.236.129.in-addr.arpa checked at 2025-10-13T22:35:02.542Z 408ms 58/58/58 100% R:20

166.236.129.in-addr.arpa

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

236.129.in-addr.arpa

NSext-ns1.columbia.edu
NSext-ns2.columbia.edu
NSdemetian.ldeo.columbia.edu
NSsevern.ldeo.columbia.edu

Up

Starts with same word

Starts similarily

AI analysis

166.236.129.in-addr.arpa is a parent of 36.166.236.129.in-addr.arpa.

166.236.129.in-addr.arpa is delegated to two name servers: ext-ns1.columbia.edu and ext-ns2.columbia.edu.

166.236.129.in-addr.arpa uses the same name server setup as other domains, including 221.2.209.in-addr.arpa, columbiauniversity.us, 191.59.128.in-addr.arpa, secure.barnard.edu and art.columbia.edu.

At least part of the name servers for 166.236.129.in-addr.arpa are shared with other domains, for instance healthsciences.columbia.edu, cix.csi.cuny.edu, teacherscollege.edu, dodgefitnesscenter.com and mc.cumc.columbia.edu.

these name servers are commonly used with the name servers acme.ucc.cuny.edu, apollo.cs.columbia.edu, lavinia.cis.cuny.edu, sundog.ee.columbia.edu, ns1.nyp.org, ns2.nyp.org, ns10.customer.level3.net, ns15.customer.level3.net, diana.cs.columbia.edu and auth1.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.

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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