DNSBL Spam Check

Checked IP: 54.173.83.138
rDNS/PTR record: mailer2.threatsim.com

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: mailer2.threatsim.com
45.4979 ms
Inactive: 2
Inactive
Response in: 3.5436151 seconds
Amount of searched blacklists: 26 (2 inactive)