DNSBL Spam Check

Checked IP: 2a01:7e01:e001:856::1
rDNS/PTR record: mx1.de.opalstack.com

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: mx1.de.opalstack.com
121.6300 ms
Inactive: 2
Inactive
Response in: 2.3561521 seconds
Amount of searched blacklists: 25 (2 inactive)