DNSBL Spam Check

Checked IP: 159.183.183.189
rDNS/PTR record: wfbtbtbd.outbound-mail.sendgrid.net

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: wfbtbtbd.outbound-mail.sendgrid.net
12.1222 ms
Inactive: 2
Inactive
Response in: 4.8221259 seconds
Amount of searched blacklists: 25 (2 inactive)