DNSBL Spam Check

Checked IP: 51.163.158.241
rDNS/PTR record: de-smtp-delivery-1.mimecast.com

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: de-smtp-delivery-1.mimecast.com
109.0901 ms
Inactive: 2
Inactive
Response in: 2.7036669 seconds
Amount of searched blacklists: 26 (2 inactive)