DNSBL Spam Check

Checked IP: 2604:1380:4641:c500::1
rDNS/PTR record: dfw.source.kernel.org

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: dfw.source.kernel.org
331.9290 ms
Inactive: 2
Inactive
Response in: 7.668355 seconds
Amount of searched blacklists: 25 (2 inactive)