CF1763532439424-tsm20251116095642

WWW.RTSAK.COM - resolver21.dns.sfr.net

Search for IP or hostnames:

resolver21.dns.sfr.net checked at 2025-11-19T06:07:19.370Z 2200ms 27/27/27 100% R:9 allDone:true timedOut:false

AI analysis

resolver21.dns.sfr.net points to two IPs: 2a02:8400:4:c0:444e:5300:0:21 and 109.0.64.12.

Other host names, for instance 2a02-8400-0004-00c0-444e-5300-0000-0021.rev.sfr.net, share IP numbers with resolver21.dns.sfr.net.

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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