DNSBL Spam Check

Checked IP: 173.228.157.41
rDNS/PTR record: pb-mx22.pobox.com

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: pb-mx22.pobox.com
374.0990 ms
Inactive: 2
Inactive
Response in: 6.052412 seconds
Amount of searched blacklists: 26 (2 inactive)