DNSBL Spam Check

Checked IP: 81.223.20.34
rDNS/PTR record: mail.btu.at

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: mail.btu.at
13.5250 ms
Inactive: 2
Inactive
Response in: 2.3024812 seconds
Amount of searched blacklists: 26 (2 inactive)