CF1763173859103-tsm20251109205412

DNSWHOIS.INFO - 138.51.121.74.in-addr.arpa

Search for IP or hostnames:

138.51.121.74.in-addr.arpa checked at 2025-11-15T02:30:59.087Z 195ms 16/16/16 100% R:9 allDone:true timedOut:false

138.51.121.74.in-addr.arpa

PTRmail3907.novinky.o2.cz
A74.121.51.138🇺🇸 Amazon
PTRmail3907.novinky.o2.cz

51.121.74.in-addr.arpa

NSns1.acoustic-adm.com
NSns2.acoustic-adm.com
NSns3.acoustic-adm.com
NSns4.acoustic-adm.com

Starts with same word

Starts similarily

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