DNSBL Spam Check

Checked IP: 192.174.81.53
rDNS/PTR record: mta-81-53.sparkpostmail.com

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: mta-81-53.sparkpostmail.com
28.5060 ms
Inactive: 2
Inactive
Response in: 5.1291041 seconds
Amount of searched blacklists: 26 (2 inactive)