Works as intended on ubuntu erl (and elixir iex shell) on 18 and 19 tested on AWS.
Gives this result (from iex, I dont have erlang actually installed, its a bundled erts):
On windows locally:
It is not a local DNS issue, essen from ninenines also confirmed this happened on windows for him. The SRV record is years old, so its not that either.
Testing from a VM on the windows host works as intended as well.