DNSBL Spam Check

Checked IP: 51.158.21.21
rDNS/PTR record: 51-158-21-21.rev.poneytelecom.eu

Listed: 3 findings
Finding Response time
Blacklisted: Barracuda Reputation Block List
Try to delist your IP from b.barracudacentral.org
Follow the instrucion on this website.
106.8149 ms
Blacklisted: Barracuda Reputation Block List (for SpamAssassin)
Try to delist your IP from bb.barracudacentral.org
106.8661 ms
Blacklisted: SORBS Spamhost (any time)
Try to delist your IP from spam.dnsbl.sorbs.net
Follow the instrucion on this website.
22.7630 ms
Not Listed: 23 checks
Check Response time
Found rDNS/PTR: 51-158-21-21.rev.poneytelecom.eu
13.9890 ms
Inactive: 2
Inactive
Response in: 5.0505919 seconds
Amount of searched blacklists: 26 (2 inactive)