DNSBL Spam Check

Checked IP: 44.237.110.235
rDNS/PTR record: guardpost-n09.usw2.mailgun.co

Listed: 2 findings
Finding Response time
Blacklisted: usenix.org
Try to delist your IP from all.s5h.net
Follow the instrucion on this website.
101.1810 ms
Blacklisted: SpamRATS! all
Try to delist your IP from all.spamrats.com
107.5771 ms
Not Listed: 24 checks
Check Response time
Found rDNS/PTR: guardpost-n09.usw2.mailgun.co
42.5951 ms
Inactive: 2
Inactive
Response in: 1.8990319 seconds
Amount of searched blacklists: 26 (2 inactive)