DNSBL Spam Check

Checked IP: 192.30.100.251
rDNS/PTR record: no entry

Listed: 3 findings
Finding Response time
No rDNS/PTR found
Set PTR record for this IP
51.9869 ms
Blacklisted: SpamRATS! all
Try to delist your IP from all.spamrats.com
451.9770 ms
Blacklisted: Barracuda Reputation Block List
Try to delist your IP from b.barracudacentral.org
Follow the instrucion on this website.
215.3649 ms
Blacklisted: Barracuda Reputation Block List (for SpamAssassin)
Try to delist your IP from bb.barracudacentral.org
244.8618 ms
Not Listed: 22 checks
Check Response time
Inactive: 2
Inactive
Response in: 5.0834858 seconds
Amount of searched blacklists: 25 (2 inactive)