Can't edit my previous comment, but I checked on this question of mine: > Does NextDNS assign a unique IPv6 address for each account to know this is my accoun

Can't edit my previous comment, but I checked on this question of mine: > Does NextDNS assign a unique IPv6 address for each account to know this is my account and to apply my chosen filter lists? NextDNS does assign a unique IPv6 address for each profile in an account, and the IPv6 address actually ends with the exact profile name. For example, if my NextDNS profile is a7bae4, the IPv6 address would be like 2d17:a4c3::a7:bae4.