DNSBL Spam Check

Checked IP: 139.162.136.213
rDNS/PTR record: smtp2.de.opalstack.com

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: smtp2.de.opalstack.com
44.1070 ms
Inactive: 2
Inactive
Response in: 8.405797 seconds
Amount of searched blacklists: 26 (2 inactive)