DNSBL Spam Check

Checked IP: 2a00:f60::2:159
rDNS/PTR record: smtp1.by-tres.nl

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: smtp1.by-tres.nl
394.4080 ms
Inactive: 2
Inactive
Response in: 2.653214 seconds
Amount of searched blacklists: 25 (2 inactive)