CF1762340634164-tsm20251105083916

WWW.RTSAK.COM - 145.111.156.in-addr.arpa

Search for IP or hostnames:

145.111.156.in-addr.arpa checked at 2025-11-05T11:03:54.151Z 173ms 45/45/45 100% R:15

145.111.156.in-addr.arpa

NSext-ns1.columbia.edu
A128.59.1.1🇺🇸 Columbia University
PTRext-ns1.columbia.edu
NSns1.nyp.org
A156.145.252.11🇺🇸 NYP-INTERNET
PTRns1.nyp.org
NSns2.nyp.org
A143.104.238.11🇺🇸 NYP-INTERNET
PTRns2.nyp.org

111.156.in-addr.arpa

NSns1.nyp.org
NSns2.nyp.org
NSlex-iblxext1.med.cornell.edu
NSyork-iblxext1.med.cornell.edu

Up

Starts with same word

Starts similarily

AI analysis

145.111.156.in-addr.arpa is the parent of 214.145.111.156.in-addr.arpa.

The delegation for 145.111.156.in-addr.arpa is handled by three name servers: ext-ns1.columbia.edu, ns1.nyp.org and ns2.nyp.org.

145.111.156.in-addr.arpa shares name servers with other domains at least partially, for example 19.59.128.in-addr.arpa, ps.columbia.edu, uapc.cuny.edu, guest.barnard.edu and beoc.cuny.edu.

these name servers are often used with the following: ext-ns2.columbia.edu, acme.ucc.cuny.edu, lex-iblxext1.med.cornell.edu, york-iblxext1.med.cornell.edu, lavinia.cis.cuny.edu, ns10.customer.level3.net, ns15.customer.level3.net, apollo.cs.columbia.edu, sundog.ee.columbia.edu and diana.cs.columbia.edu.

Host names with a single IP address: ext-ns1.columbia.edu points to 128.59.1.1; ns1.nyp.org points to 156.145.252.11; ns2.nyp.org points to 143.104.238.11.

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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