DNSBL Spam Check

Checked IP: 159.183.136.79
rDNS/PTR record: wfbtvvqf.outbound-mail.sendgrid.net

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: wfbtvvqf.outbound-mail.sendgrid.net
45.5651 ms
Inactive: 2
Inactive
Response in: 5.1454749 seconds
Amount of searched blacklists: 26 (2 inactive)