DNSBL Spam Check

Checked IP: 159.183.224.100
rDNS/PTR record: s.wfbtzhsq.outbound-mail.sendgrid.net

Listed: 3 findings
Finding Response time
Blacklisted: SpamRATS! all
Try to delist your IP from all.spamrats.com
3,277.8649 ms
Blacklisted: SORBS Aggregate zone (problems)
Try to delist your IP from problems.dnsbl.sorbs.net
Follow the instrucion on this website.
22.6898 ms
Blacklisted: SORBS Spamhost (any time)
Try to delist your IP from spam.dnsbl.sorbs.net
Follow the instrucion on this website.
22.6738 ms
Not Listed: 23 checks
Check Response time
Found rDNS/PTR: s.wfbtzhsq.outbound-mail.sendgrid.net
4.2009 ms
Inactive: 2
Inactive
Response in: 5.756644 seconds
Amount of searched blacklists: 26 (2 inactive)