DNSBL Spam Check

Checked IP: 104.248.20.237
rDNS/PTR record: vpc-frontend8.sbservers.cz

Listed: 2 findings
Finding Response time
Blacklisted: Barracuda Reputation Block List
Try to delist your IP from b.barracudacentral.org
Follow the instrucion on this website.
106.7009 ms
Blacklisted: Barracuda Reputation Block List (for SpamAssassin)
Try to delist your IP from bb.barracudacentral.org
106.3941 ms
Not Listed: 24 checks
Check Response time
Found rDNS/PTR: vpc-frontend8.sbservers.cz
103.8952 ms
Inactive: 2
Inactive
Response in: 7.0537579 seconds
Amount of searched blacklists: 26 (2 inactive)