DNSBL Spam Check

Checked IP: 20.137.52.139
rDNS/PTR record: amer-mta114.csc.com

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: amer-mta114.csc.com
0.4981 ms
Inactive: 2
Inactive
Response in: 2.4373741 seconds
Amount of searched blacklists: 25 (2 inactive)