DNSBL Spam Check

Checked IP: 216.24.225.221
rDNS/PTR record: mta1.em.textbookx.com

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: mta1.em.textbookx.com
12.2340 ms
Inactive: 2
Inactive
Response in: 1.8364909 seconds
Amount of searched blacklists: 26 (2 inactive)