DNSBL Spam Check

Checked IP: 45.13.137.103
rDNS/PTR record: m1-u5-mx.websupport.cz

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: m1-u5-mx.websupport.cz
138.6280 ms
Inactive: 2
Inactive
Response in: 4.4603038 seconds
Amount of searched blacklists: 25 (2 inactive)