DNSBL Spam Check

Checked IP: 145.121.0.39
rDNS/PTR record: 145.121.EARLY-REGISTRATION.of.SURFnet.invalid

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: 145.121.EARLY-REGISTRATION.of.SURFnet.invalid
27.4172 ms
Inactive: 2
Inactive
Response in: 7.6049731 seconds
Amount of searched blacklists: 26 (2 inactive)