CF1761864538627-tsm20251029173950

MXLIST.NET - 21.201.91.in-addr.arpa

Search for IP or hostnames:

21.201.91.in-addr.arpa checked at 2025-10-30T22:48:58.555Z 943ms 33/33/33 100% R:13

21.201.91.in-addr.arpa

NSnsa.coprosys.cz
A77.104.225.147🇨🇿 CoProSys
PTRnsa.coprosys.cz
NSnsb.coprosys.cz
A178.23.232.45🇨🇿 CoProSys
PTRnsb.coprosys.cz

201.91.in-addr.arpa

Starts with same word

Starts similarily

AI analysis

21.201.91.in-addr.arpa is delegated to two name servers: nsa.coprosys.cz and nsb.coprosys.cz.

21.201.91.in-addr.arpa shares the same name server setup as 253.104.77.in-addr.arpa, 250.104.77.in-addr.arpa, 146.82.80.in-addr.arpa, domanet.cz and 158.82.80.in-addr.arpa.

Host names with a single IP:

nsa.coprosys.cz points to 77.104.225.147.

nsb.coprosys.cz points to 178.23.232.45.

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

dCYlMFe CF johedugfp 2025-10-30