NTP through DNS?

Ray Bellis ray at isc.org
Fri Sep 21 11:56:40 UTC 2018

On 21/09/2018 12:47, Danny Mayer wrote:

> Putting on both my BIND9 and NTP hats for a moment:
> This answer makes no sense. NTP uses standard DNS FQDN's for all of its
> references to NTP servers whether it's using pool, server or peer. I
> have no idea where the reverse zone comes in though I haven't read the
> whole thread. the NTP service all belong to domains, whether internal or
> external. There is a DHCP option that we have seen but it seems to cause
> more confusion that anything.
> You can create a DNS A or AAAA or even a CNAME in your local DNS that
> the NTP server can use and it all works.
> Let me know if I misunderstood what this is really about.

I believe you have.

The discussion was about automated _discovery_ of the DNS name of your
NTP server using an additional level of indirection so that it can be
automatically configured without using DHCP.


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