DNSBL Spam Check

Checked IP: 131.188.11.21
rDNS/PTR record: mx-rz-2.rrze.uni-erlangen.de

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: mx-rz-2.rrze.uni-erlangen.de
26.7560 ms
Inactive: 2
Inactive
Response in: 4.7351 seconds
Amount of searched blacklists: 25 (2 inactive)