DNSBL Spam Check

Checked IP: 81.19.149.72
rDNS/PTR record: mail21.world4you.com

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: mail21.world4you.com
18.6112 ms
Inactive: 2
Inactive
Response in: 8.1179841 seconds
Amount of searched blacklists: 26 (2 inactive)