Secure IP: 9.9.9.9 Provides: Security blocklist, DNSSEC, No EDNS Client-Subnet sent. If your DNS software requires a Secondary IP address, please use the secure secondary address of 149.112.112.112
Unsecured IP: 9.9.9.10 Provides: No security blocklist, DNSSEC, sends EDNS Client-Subnet. If your DNS software requires a Secondary IP address, please use the unsecured secondary address of 149.112.112.10
Client-Subnet lets providers with widely-distributed servers pick one that's near you to serve your content.
Secure IP: 9.9.9.9 Provides: Security blocklist, DNSSEC, No EDNS Client-Subnet sent. If your DNS software requires a Secondary IP address, please use the secure secondary address of 149.112.112.112
Unsecured IP: 9.9.9.10 Provides: No security blocklist, DNSSEC, sends EDNS Client-Subnet. If your DNS software requires a Secondary IP address, please use the unsecured secondary address of 149.112.112.10
Client-Subnet lets providers with widely-distributed servers pick one that's near you to serve your content.