DNSBL Spam Check

Checked IP: 88.209.206.0
rDNS/PTR record: no entry

Listed: 3 findings
Finding Response time
No rDNS/PTR found
Set PTR record for this IP
313.6079 ms
Blacklisted: usenix.org
Try to delist your IP from all.s5h.net
Follow the instrucion on this website.
23.4821 ms
Blacklisted: Barracuda Reputation Block List
Try to delist your IP from b.barracudacentral.org
Follow the instrucion on this website.
107.3608 ms
Blacklisted: Barracuda Reputation Block List (for SpamAssassin)
Try to delist your IP from bb.barracudacentral.org
106.6711 ms
Not Listed: 23 checks
Check Response time
Inactive: 2
Inactive
Response in: 8.4995379 seconds
Amount of searched blacklists: 26 (2 inactive)