DNSBL Spam Check

Checked IP: 2001:1528:181:0:0:0:76:244
rDNS/PTR record: mx4.skok.cz

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: mx4.skok.cz
1,044.5409 ms
Inactive: 2
Inactive
Response in: 4.0087011 seconds
Amount of searched blacklists: 25 (2 inactive)