Summary
When you use DHCP for IPv4 and Static IP for IPv6 during DSVA deployment, the primary DNS for IPv6 is addded.
However, when you check the DSVA console after the deployment, the primary DNS for IPv6 cannot be found.
Details
The issue happens because using DHCP for IPv4 and Static for IPv6 is not supported when deploying DSVA. This is a known issue in Deep Security 9.5 and 9.6.