DNSBL Spam Check

Checked IP: 2001:610:1:400b:0:0:c2ab:a796
rDNS/PTR record: kahn.surfnet.nl

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: kahn.surfnet.nl
24.3549 ms
Inactive: 2
Inactive
Response in: 2.3975859 seconds
Amount of searched blacklists: 26 (2 inactive)