DNSBL Spam Check

Checked IP: 52.252.165.197
rDNS/PTR record: relaync01.optimalblue.com

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: relaync01.optimalblue.com
25.2891 ms
Inactive: 2
Inactive
Response in: 1.770139 seconds
Amount of searched blacklists: 26 (2 inactive)