NTP through DNS?

Andrew Latham lathama at gmail.com
Wed Sep 19 15:37:32 UTC 2018

On Wed, Sep 19, 2018 at 10:19 AM Ray Bellis <ray at isc.org> wrote:

> On 19/09/2018 15:59, Mauricio Tavares wrote:
> >> An NTP serice doesn't belong to a domain, so maybe not (I don't know of
> >> one off my mind).
> >>
> >       Not necessarily; I can name a few universities and business who
> > offer their own NTP servers to their internal systems. AFAIK, this is
> > considered good practice.
> That's not the point that Mukund was making.
> An NTP server is part of your local network configuration.   Your domain
> name is also part of your local network configuration.  As such, these
> two values are often served by DHCP.
> That does not mean, though, that there is a one-to-one mapping from your
> domain name to your preferred set of NTP servers.
> One could have numerous subnets located all over the planet with
> different NTP servers, but all sharing the same domain name.
> If it were feasible to store an NTP server address in the DNS it would
> more logically fit in the in-addr.arpa zone, and not in a forward zone.

Many organizations have per site "views" of the zone so it actually works
out well. There are many ways of building functional infrastructure. I
agree there are many applications where this setup would not be useful,
just addressing OP.

> Ray
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- Andrew "lathama" Latham -
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