DNSBL Spam Check

Checked IP: 188.64.251.51
rDNS/PTR record: mail.cows-online.de

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: mail.cows-online.de
18.2071 ms
Inactive: 2
Inactive
Response in: 9.4754128 seconds
Amount of searched blacklists: 26 (2 inactive)