DNSBL Spam Check

Checked IP: 81.223.84.226
rDNS/PTR record: mx1.ist.ac.at

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: mx1.ist.ac.at
63.5190 ms
Inactive: 2
Inactive
Response in: 5.0144749 seconds
Amount of searched blacklists: 25 (2 inactive)