How can I launch a private Internet DNS server?

[Tom J. Marcoen]

First of all, sorry that I cannot reply within the thread, I was not
yet a member of the mailing list when those emails were sent.

> On Thu 15/Oct/2020 18:57:16 +0200 Jason Long via bind-users wrote:
> >
> > Excuse me, I just have one server for DNS and that tutorial is about secondary
> > DNS server too.
>
> Just skip the chapter about the secondary.  You're better off buying secondary
> DNS services externally.  A good secondary offloads your server noticeably, and
> keeps the domain alive in case of temporary failures.
>
> Best
> Ale

Is it not a requirement to have at least two authoritative name
servers? I believe all TLDs require at least two name servers but I
must be mistaking as no one pointed this out yet.

Regards,
Tom