DNSBL Spam Check

Checked IP: 54.149.75.234
rDNS/PTR record: guardpost-n10.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.
100.5039 ms
Blacklisted: SpamRATS! all
Try to delist your IP from all.spamrats.com
3,322.5839 ms
Not Listed: 24 checks
Check Response time
Found rDNS/PTR: guardpost-n10.usw2.mailgun.co
16.7360 ms
Inactive: 2
Inactive
Response in: 5.231003 seconds
Amount of searched blacklists: 26 (2 inactive)