DNSBL Spam Check

Checked IP: 159.183.181.53
rDNS/PTR record: wfbtbrpr.outbound-mail.sendgrid.net

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: wfbtbrpr.outbound-mail.sendgrid.net
27.3778 ms
Inactive: 2
Inactive
Response in: 9.3001502 seconds
Amount of searched blacklists: 26 (2 inactive)