If this is the case, someone running their own recursive DNS server (like Bind9 or Unbound) can trivially bypass these restrictions. Doing this is a sensible step towards more privacy, regardless of censorship.
Maybe this is a good place to ask: what is the easiest way to use my own DNS entirely in user mode (not a server when I can't change which DNS is pointed to, since not an admin), a SOCKSv5 proxy?
It looks like this is possible with Chrome-based browsers using a command line flag (--host-resolver-rules) or in Firefox settings. Is there a better way?