DNSBL Spam Check

Checked IP: 81.173.83.183
rDNS/PTR record: smtp-relay01.sui-inter.net

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: smtp-relay01.sui-inter.net
49.6259 ms
Inactive: 2
Inactive
Response in: 24.324985 seconds
Amount of searched blacklists: 25 (2 inactive)