DNSBL Spam Check

Checked IP: 81.30.243.20
rDNS/PTR record: zimbra.ptcomp.cz

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: zimbra.ptcomp.cz
230.8209 ms
Inactive: 2
Inactive
Response in: 5.5081689 seconds
Amount of searched blacklists: 25 (2 inactive)