DNSBL Spam Check

Checked IP: 199.79.63.216
rDNS/PTR record: us3-ob1-5.mailhostbox.com

Listed: 3 findings
Finding Response time
Blacklisted: usenix.org
Try to delist your IP from all.s5h.net
Follow the instrucion on this website.
26.0601 ms
Blacklisted: SORBS Aggregate zone (problems)
Try to delist your IP from problems.dnsbl.sorbs.net
Follow the instrucion on this website.
103.4670 ms
Blacklisted: SORBS Spamhost (any time)
Try to delist your IP from spam.dnsbl.sorbs.net
Follow the instrucion on this website.
22.7251 ms
Not Listed: 23 checks
Check Response time
Found rDNS/PTR: us3-ob1-5.mailhostbox.com
163.1100 ms
Inactive: 2
Inactive
Response in: 5.6172941 seconds
Amount of searched blacklists: 26 (2 inactive)