DNSBL Spam Check

Checked IP: 159.183.71.137
rDNS/PTR record: wfbtqtvw.outbound-mail.sendgrid.net

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: wfbtqtvw.outbound-mail.sendgrid.net
12.1791 ms
Inactive: 2
Inactive
Response in: 4.583252 seconds
Amount of searched blacklists: 25 (2 inactive)