DNSBL Spam Check

Checked IP: 18.213.45.180
rDNS/PTR record: guardpost-n01.use1.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.
100.5752 ms
Blacklisted: SpamRATS! all
Try to delist your IP from all.spamrats.com
111.6791 ms
Not Listed: 24 checks
Check Response time
Found rDNS/PTR: guardpost-n01.use1.mailgun.co
7.5622 ms
Inactive: 2
Inactive
Response in: 1.9424028 seconds
Amount of searched blacklists: 26 (2 inactive)