DNSBL Spam Check

Checked IP: 89.31.137.12
rDNS/PTR record: smtpud01.udag.de

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: smtpud01.udag.de
20.2241 ms
Inactive: 2
Inactive
Response in: 4.959574 seconds
Amount of searched blacklists: 26 (2 inactive)