DNSBL Spam Check

Checked IP: 52.58.136.115
rDNS/PTR record: smtp21.r1.rpost.net

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: smtp21.r1.rpost.net
17.3361 ms
Inactive: 2
Inactive
Response in: 3.748821 seconds
Amount of searched blacklists: 26 (2 inactive)