DNSBL Spam Check

Checked IP: 51.81.70.211
rDNS/PTR record: no entry

Listed: 2 findings
Finding Response time
No rDNS/PTR found
Set PTR record for this IP
91.2309 ms
Blacklisted: SORBS Aggregate zone (problems)
Try to delist your IP from problems.dnsbl.sorbs.net
Follow the instrucion on this website.
22.7931 ms
Blacklisted: SORBS Spamhost (any time)
Try to delist your IP from spam.dnsbl.sorbs.net
Follow the instrucion on this website.
22.8400 ms
Not Listed: 24 checks
Check Response time
Inactive: 2
Inactive
Response in: 2.0293939 seconds
Amount of searched blacklists: 26 (2 inactive)