CF1761528380763-tsm20251026204809

DNSWHOIS.INFO - 191.236.129.in-addr.arpa

Search for IP or hostnames:

191.236.129.in-addr.arpa checked at 2025-10-27T01:26:20.733Z 173ms 42/42/42 100% R:14

191.236.129.in-addr.arpa

NSext-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

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

The parent of 36.191.236.129.in-addr.arpa is 191.236.129.in-addr.arpa.

Two name servers ext-ns1.columbia.edu and ext-ns2.columbia.edu handle the delegation for 191.236.129.in-addr.arpa.

191.236.129.in-addr.arpa shares the same name server setup as other domains, for example 219.2.209.in-addr.arpa, teal.college.columbia.edu, cyan.college.columbia.edu, dyn.columbia.edu and columbiauniversity.info.

191.236.129.in-addr.arpa at least partially shares name servers with other domains, for example acs.cuny.edu, hs.columbia.edu, icap.or.tz, 135.111.146.in-addr.arpa and orl.columbia.edu.

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

Host names with one IP number:

ext-ns1.columbia.edu points to 128.59.1.1; ext-ns2.columbia.edu points to 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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