CF1759874265247-tsm20251005211530

WWW.RTSAK.COM - 1.21.129.in-addr.arpa

Search for IP or hostnames:

1.21.129.in-addr.arpa checked at 2025-10-07T21:57:45.215Z 406ms 57/57/57 100% R:12

1.21.129.in-addr.arpa

NSaccuvax.northwestern.edu
A2620:10d:2010:6011::100 🇺🇸 Northwestern University
A129.105.49.100🇺🇸 Northwestern University
PTRaccuvax.northwestern.edu
NSns1a.rit.edu
A2620:8d:8000:0:aba:ca:daba:ee 🇺🇸 Rochester Institute of Technology
PTRns1a.rit.edu
A129.21.1.82🇺🇸 Rochester Institute of Technology
PTRns1a.rit.edu
NSns2a.rit.edu
A2620:8d:8000:0:aba:ca:daba:ef 🇺🇸 Rochester Institute of Technology
PTRns2a.rit.edu
A129.21.1.92🇺🇸 Rochester Institute of Technology
PTRns2a.rit.edu

21.129.in-addr.arpa

NSaccuvax.northwestern.edu
NSns1a.rit.edu
NSns2a.rit.edu

Up

Starts with same word

Starts similarily

AI analysis

1.21.129.in-addr.arpa is the parent of 169.1.21.129.in-addr.arpa, 165.1.21.129.in-addr.arpa, 126.1.21.129.in-addr.arpa, 101.1.21.129.in-addr.arpa, 158.1.21.129.in-addr.arpa and a few other host names.

1.21.129.in-addr.arpa is delegated to name servers accuvax.northwestern.edu, ns1a.rit.edu and ns2a.rit.edu.

1.21.129.in-addr.arpa at least partially shares name servers with other domains such as braincancerinstitute.org, 49.105.129.in-addr.arpa, 97.74.199.in-addr.arpa, lurie.northwestern.edu and 196.21.129.in-addr.arpa.

these name servers are commonly used alongside the name servers cicada.northwestern.edu, dns01.buffalo.edu, dns02.buffalo.edu, dns03.buffalo.edu and dns04.buffalo.edu.

Host names with two IP numbers:

accuvax.northwestern.edu points to 2620:10d:2010:6011::100 and 129.105.49.100.

ns1a.rit.edu points to 2620:8d:8000:0:aba:ca:daba:ee and 129.21.1.82.

ns2a.rit.edu points to 2620:8d:8000:0:aba:ca:daba:ef and 129.21.1.92.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
dbq

IdeOTXU CF johedugfp 2025-10-07