Not always online capsules

[Stephane Bortzmeyer]

On Tue, Sep 21, 2021 at 06:50:52PM +0000,
 Chris McGowan <cmcgowan9990 at gmail.com> wrote 
 a message of 21 lines which said:

> This would have the benefit of being relatively simple to implement
> for clients and for capsule hosts to use, although your registrar
> would have to allow txt records.

Detail: it is not always the registrar, it is the DNS hoster which may
be the registrar or a third-party or yourself if you self-host your
authoritative name servers.