CF1759643112139-tsm20251004101907

IPLIST.NET - 137.21.178.in-addr.arpa

Search for IP or hostnames:

137.21.178.in-addr.arpa checked at 2025-10-05T05:45:12.123Z 269ms 49/49/49 100% R:16

137.21.178.in-addr.arpa

NSfns1.42.pl
A79.98.145.34🇵🇱 Nitronet sp. z o.o.
NSfns2.42.pl
A2001:41d0:701:1100::66c 🇩🇪 OVH
PTRfns2.42.pl
A51.38.99.90🇫🇷 OVH
PTRfns2.42.pl
NSdns1.serczer.pl
A178.21.137.138🇵🇱 SerczerNET
PTRdns1.serczer.pl

21.178.in-addr.arpa

Up

Starts with same word

Starts similarily

AI analysis

137.21.178.in-addr.arpa is the parent of 139.137.21.178.in-addr.arpa, 140.137.21.178.in-addr.arpa and 138.137.21.178.in-addr.arpa.

137.21.178.in-addr.arpa is delegated to three name servers fns1.42.pl, fns2.42.pl and dns1.serczer.pl.

137.21.178.in-addr.arpa at least partially shares name servers with other domains, for instance olsza.krakow.pl, sft.krakow.pl, 199.234.89.in-addr.arpa, tamay-dogan.net and boruta-zachem.eu.

These name servers are commonly used alongside ns2.he.net, ns2.afraid.org, ns1.he.net, ns3.he.net, ns4.he.net, ns5.he.net and dns1.ww4.pl.

Host names with two IPs:

fns2.42.pl points to: 2001:41d0:701:1100::66c and 51.38.99.90.

Host names with one IP:

fns1.42.pl points to: 79.98.145.34.

dns1.serczer.pl points to: 178.21.137.138.

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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