CF1763479425798-tsm20251116095642

IPLIST.NET - resolver21.dns.sfr.net

Search for IP or hostnames:

resolver21.dns.sfr.net checked at 2025-11-18T15:23:45.693Z 580ms 27/27/27 100% R:10 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 example, 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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