DNSBL Spam Check

Checked IP: 172.21.20.168
rDNS/PTR record: no entry

Listed: 1 findings
Finding Response time
No rDNS/PTR found
Set PTR record for this IP
0.4199 ms
Blacklisted: Spam-RBL.fr
Try to delist your IP from all.spam-rbl.fr
12.3670 ms
Not Listed: 25 checks
Check Response time
Inactive: 2
Inactive
Response in: 7.6184721 seconds
Amount of searched blacklists: 26 (2 inactive)