DNSBL Spam Check

Checked IP: 64.4.22.64
rDNS/PTR record: na01-by1-obe.ptr.o365filtering.com

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: na01-by1-obe.ptr.o365filtering.com
19.3651 ms
Inactive: 2
Inactive
Response in: 5.2352879 seconds
Amount of searched blacklists: 26 (2 inactive)