DNSBL Spam Check

Checked IP: 149.72.143.250
rDNS/PTR record: o4.hootmail.hootsuite.com

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: o4.hootmail.hootsuite.com
34.8279 ms
Inactive: 2
Inactive
Response in: 5.4910991 seconds
Amount of searched blacklists: 26 (2 inactive)