DNSBL Spam Check

Checked IP: 159.183.176.16
rDNS/PTR record: o1.ptr4237.hkeaa.edu.hk

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: o1.ptr4237.hkeaa.edu.hk
11.3752 ms
Inactive: 2
Inactive
Response in: 4.8566892 seconds
Amount of searched blacklists: 25 (2 inactive)