DNSBL Spam Check

Checked IP: 52.56.243.107
rDNS/PTR record: smtp.developer-mateuszk.developer.corrivo.online

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: smtp.developer-mateuszk.developer.corrivo.online
33.9160 ms
Inactive: 2
Inactive
Response in: 4.5563438 seconds
Amount of searched blacklists: 25 (2 inactive)