DNSBL Spam Check

Checked IP: 51.250.53.246
rDNS/PTR record: smtp5.srv.stepik.org

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: smtp5.srv.stepik.org
124.2080 ms
Inactive: 2
Inactive
Response in: 4.5351481 seconds
Amount of searched blacklists: 25 (2 inactive)