DNSBL Spam Check

Checked IP: 159.183.104.199
rDNS/PTR record: wfbtsvct.outbound-mail.sendgrid.net

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: wfbtsvct.outbound-mail.sendgrid.net
11.9200 ms
Inactive: 2
Inactive
Response in: 5.076019 seconds
Amount of searched blacklists: 25 (2 inactive)