DNSBL Spam Check

Checked IP: 129.217.4.40
rDNS/PTR record: postamt.cs.uni-dortmund.de

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: postamt.cs.uni-dortmund.de
38.1532 ms
Inactive: 2
Inactive
Response in: 8.6399431 seconds
Amount of searched blacklists: 26 (2 inactive)