DNSBL Spam Check

Checked IP: 159.183.133.208
rDNS/PTR record: wfbtvrdh.outbound-mail.sendgrid.net

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: wfbtvrdh.outbound-mail.sendgrid.net
4.0350 ms
Inactive: 2
Inactive
Response in: 2.0695932 seconds
Amount of searched blacklists: 26 (2 inactive)