IPLIST.NET - 18.21.129.in-addr.arpa
Search for IP or hostnames:
18.21.129.in-addr.arpa checked at 2025-10-11T03:50:05.272Z 217ms 57/57/57 100% R:13
18.21.129.in-addr.arpa
NS | accuvax.northwestern.edu | ||||||
A | 2620:10d:2010:6011::100 🇺🇸 Northwestern University | ||||||
A | 129.105.49.100🇺🇸 Northwestern University | ||||||
PTR | accuvax.northwestern.edu | ||||||
NS | ns1a.rit.edu | ||||||
A | 2620:8d:8000:0:aba:ca:daba:ee 🇺🇸 Rochester Institute of Technology | ||||||
PTR | ns1a.rit.edu | ||||||
A | 129.21.1.82🇺🇸 Rochester Institute of Technology | ||||||
PTR | ns1a.rit.edu | ||||||
NS | ns2a.rit.edu | ||||||
A | 2620:8d:8000:0:aba:ca:daba:ef 🇺🇸 Rochester Institute of Technology | ||||||
PTR | ns2a.rit.edu | ||||||
A | 129.21.1.92🇺🇸 Rochester Institute of Technology | ||||||
PTR | ns2a.rit.edu |
21.129.in-addr.arpa
NS | accuvax.northwestern.edu | ||||||
NS | ns1a.rit.edu | ||||||
NS | ns2a.rit.edu |
Up
143.18.21.129.in-addr.arpa |
112.18.21.129.in-addr.arpa |
254.18.21.129.in-addr.arpa |
250.18.21.129.in-addr.arpa |
253.18.21.129.in-addr.arpa |
252.18.21.129.in-addr.arpa |
126.18.21.129.in-addr.arpa |
Starts with same word
Starts similarily
AI analysis
18.21.129.in-addr.arpa
is a parent of 143.18.21.129.in-addr.arpa
, 112.18.21.129.in-addr.arpa
, 254.18.21.129.in-addr.arpa
, 250.18.21.129.in-addr.arpa
and 253.18.21.129.in-addr.arpa
, plus a few other host names.
18.21.129.in-addr.arpa
is delegated to three name servers: accuvax.northwestern.edu
, ns1a.rit.edu
and ns2a.rit.edu
.
18.21.129.in-addr.arpa
at least partially shares name servers with other domains, including religion.northwestern.edu
, 0.0.0.8.c.c.0.0.0.2.6.2.ip6.arpa
, 97.105.129.in-addr.arpa
, 183.124.165.in-addr.arpa
and library.northwestern.edu
.
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
: 2620:10d:2010:6011::100 and 129.105.49.100
ns1a.rit.edu
: 2620:8d:8000:0:aba:ca:daba:ee and 129.21.1.82
ns2a.rit.edu
: 2620:8d:8000:0:aba:ca:daba:ef and 129.21.1.92