DNSBL Spam Check

Checked IP: 164.53.221.136
rDNS/PTR record: smtpout01.nab.com.au

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: smtpout01.nab.com.au
64.1541 ms
Inactive: 2
Inactive
Response in: 4.6756711 seconds
Amount of searched blacklists: 25 (2 inactive)