DNSBL Spam Check

Checked IP: 2a00:1028:d:220:21::
rDNS/PTR record: dynamic-2a00-1028-000d-0220-0021-0000-0000-0000.ipv6.o2.cz

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: dynamic-2a00-1028-000d-0220-0021-0000-0000-0000.ipv6.o2.cz
233.7499 ms
Inactive: 2
Inactive
Response in: 1.9262879 seconds
Amount of searched blacklists: 26 (2 inactive)