CF1759950945632-tsm20251008082644

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

Search for IP or hostnames:

1.21.129.in-addr.arpa checked at 2025-10-08T19:15:45.614Z 127ms 87/87/87 100% R:10

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.

The delegation for 1.21.129.in-addr.arpa is handled by three name servers: accuvax.northwestern.edu, ns1a.rit.edu and ns2a.rit.edu.

1.21.129.in-addr.arpa shares name servers with other domains at least partially, for example 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 often used together with the name servers cicada.northwestern.edu, dns01.buffalo.edu, dns02.buffalo.edu, dns03.buffalo.edu and dns04.buffalo.edu.

Host names with two IPs:

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.
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DxuAJms CF johedugfp 2025-10-08