DNSBL Spam Check

Checked IP: 2001:620:1c0:b105:0:1ff:fe05:132
rDNS/PTR record: sismtp01.ost.ch

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: sismtp01.ost.ch
382.5622 ms
Inactive: 2
Inactive
Response in: 2.482733 seconds
Amount of searched blacklists: 25 (2 inactive)