CF1763347503974-tsm20251116095642

WWW.RTSAK.COM - 227.2.209.in-addr.arpa

Search for IP or hostnames:

227.2.209.in-addr.arpa checked at 2025-11-17T02:45:03.817Z 1107ms 58/58/58 100% R:17 allDone:true timedOut:false

227.2.209.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

2.209.in-addr.arpa

NSns10-auth.windstream.net
NSns11-auth.windstream.net
NSns12-auth.windstream.net
NSns9-auth.windstream.net

Up

Starts with same word

Starts similarily

AI analysis

227.2.209.in-addr.arpa is the parent of 225.227.2.209.in-addr.arpa, 161.227.2.209.in-addr.arpa, 71.227.2.209.in-addr.arpa, 108.227.2.209.in-addr.arpa, 191.227.2.209.in-addr.arpa and a few other host names.

Two name servers ext-ns1.columbia.edu and ext-ns2.columbia.edu are delegated to 227.2.209.in-addr.arpa.

227.2.209.in-addr.arpa uses the same name server configuration as other domains, such as guest.barnard.edu, 219.2.209.in-addr.arpa, teal.college.columbia.edu, cyan.college.columbia.edu and 29.59.128.in-addr.arpa.

227.2.209.in-addr.arpa at least partially shares name servers with other domains such as tc.edu, iccr.columbia.edu, 19.59.128.in-addr.arpa, ps.columbia.edu and uapc.cuny.edu.

These name servers are often used together with acme.ucc.cuny.edu, apollo.cs.columbia.edu, ns1.nyp.org, ns2.nyp.org, lavinia.cis.cuny.edu, sundog.ee.columbia.edu, 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.
dbq