DNSBL Spam Check

Checked IP: 81.133.141.48
rDNS/PTR record: host81-133-141-48.in-addr.btopenworld.com

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: host81-133-141-48.in-addr.btopenworld.com
75.3260 ms
Inactive: 2
Inactive
Response in: 5.0577121 seconds
Amount of searched blacklists: 25 (2 inactive)