- Plesk Onyx
How to enable IPv6-Only DNS in Plesk?
Such functionality has not been implemented in Plesk yet. The feature request has been created on User Voice portal.
The top-ranked suggestions are likely to be included in next versions of Plesk.
As a workaround, IPv6-Only DNS can be configured manually reviewing DNS server configurations.
Warning: Switching the DNS server to IPv6-Only, will affect all websites on the server, sites that uses IPv4 will stop to work.