[geeks] DNS: CN & A records

velociraptor velociraptor at gmail.com
Fri Jun 24 16:27:09 CDT 2005


On 6/23/05, Mike Meredith <mike at redhairy1.demon.co.uk> wrote:
> On Thu, 23 Jun 2005 17:23:45 -0400, velociraptor wrote:
> > I am a bit of a hard-a$$ about this too (at least for internal
> > DNS), there are some apps that don't work if there is no
> > reverse.  Most people have never been bit by that kinda
>
> I didn't actually say no reverse at all. If you've got thousands of A
> records all pointing at 1 IP, then you could put in the thousands of
> appropriate PTR records. In fact that supposedly causes problems with
> some apps. Not that I've ever seen it.

I'd venture at the last few places I've worked, less than 1/2 of
the DNS entries had reverses *at all*.

Yes, probably that many reverses would be a problem as well.
Yet more things that were not forseen when DNS was "invented".
It's held up pretty well, all things considered.

=Nadine=



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