dns question??

[Tim]

Allegedly, on or about 31 January 2016, Shawn Bakhtiar sent:
> You can also have different domain servers for authoritative (outward
> facing), and a different set for the internal (perhaps the recursive
> servers) that also feed up the domain but provide additional records
> for the hosts that are not on the external facing domain.

You *almost* *have* to do that.  On just about all DNS and hosting
services that I've played with, you have little control over the DNS
server - they only give you a limited interface.  While it's easy enough
to add more sub-domains that point to your web presence, it's often
harder to add records for internal LAN IPs, as sometimes they only ask
you for the name you want to create, and they fill in the numerical IPs.
And probably only the dynamic IP providers would give you any way to
deal with LAN PCs that periodically change their IPs.  So, it *can* be
easier to run your own DNS server, on your own computers, that resolve
LAN addresses, then refer to a DNS server on the web to resolve external
IPs.

Of course you may find a better DNS provider, who gives you a really
good interface for doing what you want with your DNS records.  Then all
you have to consider is whether you care that the world can find the LAN
IPs for your devices.  Bearing in mind that any PC you send email from
exposes its IPs, anyway.

-- 
[tim at localhost ~]$ uname -rsvp
Linux 3.9.10-100.fc17.x86_64 #1 SMP Sun Jul 14 01:31:27 UTC 2013 x86_64

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