DNSBL Spam Check

Checked IP: 217.148.0.21
rDNS/PTR record: smtp.mtfweb.ch

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: smtp.mtfweb.ch
97.1332 ms
Inactive: 2
Inactive
Response in: 5.5368519 seconds
Amount of searched blacklists: 26 (2 inactive)