DNSBL Spam Check

Checked IP: 212.184.181.170
rDNS/PTR record: exchange.hwk-koeln.de

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: exchange.hwk-koeln.de
7.2300 ms
Inactive: 2
Inactive
Response in: 4.8785791 seconds
Amount of searched blacklists: 26 (2 inactive)