DNSBL Spam Check

Checked IP: 23.89.123.4
rDNS/PTR record: zams2mda001.webex.com

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: zams2mda001.webex.com
138.0010 ms
Inactive: 2
Inactive
Response in: 4.521261 seconds
Amount of searched blacklists: 25 (2 inactive)