DNSBL Spam Check

Checked IP: 144.217.39.53
rDNS/PTR record: altmail1c.a1center.net

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: altmail1c.a1center.net
283.6061 ms
Inactive: 2
Inactive
Response in: 5.1593189 seconds
Amount of searched blacklists: 25 (2 inactive)