http://y7egb5vi45k74makeixpfb7jnimfxm3gf233lb3ke2ldonozjk55nvad.onion/notes_on_dns.html
You might be shocked
at this value, but, should a server go down, having your DNS record
cached at all major ISPs as one value, when your IP address has changed
to a new value, might be quite frustrating. What kinds of DNS Records
Are there So, we now understand the structure of DNS - there are root servers
who delegate downward to other authoritative servers, and then their are
recursive resolvers run by ISPs and other organizations for end users to
use.