DNSBL Spam Check

Checked IP: 89.207.28.4
rDNS/PTR record: ctb1vpint1.int.ctbflex.nl

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: ctb1vpint1.int.ctbflex.nl
311.5380 ms
Inactive: 2
Inactive
Response in: 5.5502529 seconds
Amount of searched blacklists: 26 (2 inactive)