Can I use DNSSEC?
The Domain Name System Security Extensions(DNSSEC) is a set of extensions by the Internet Engineering Task Force used for securing data in the Domain Name System(DNS. The protocol provides security improvements that aren't present in the default DNS system. The original design of DNS did not include any security features.
How does it apply to 20i?
You can use DNSSEC on the 20i platform.
If you wish to enable DNSSEC for a domain, you must go to here > Options > Manage > DNSSEC Protection.
You can then enable DNSSEC using the toggle.