[account42]

> Your ISP used to see the query going to the root servers or the .com servers and know the FQDN even if the query to example.com was encrypted. Now they don't.

In practice your recursive resolver either is your ISP (in which case this helps nothing) or is outside of your ISP (and your ISP can't see its queries). The only realistic privacy leaks that is addresses is leaking subdomains to the root servers and other delegating servers higher up the chain an their network operators.

[zrm]

Many organizations operate their own recursive resolvers. There is also nothing stopping an individual from doing so, even if most don't.