DNSBL Spam Check

Checked IP: 91.194.147.137
rDNS/PTR record: mx4.swisssign.com

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: mx4.swisssign.com
136.0121 ms
Inactive: 2
Inactive
Response in: 2.445379 seconds
Amount of searched blacklists: 26 (2 inactive)