DNSBL Spam Check

Checked IP: 129.12.21.31
rDNS/PTR record: mxmas.kent.ac.uk

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: mxmas.kent.ac.uk
36.6480 ms
Inactive: 2
Inactive
Response in: 1.788887 seconds
Amount of searched blacklists: 26 (2 inactive)