Catch All Server - Null MX Setup
Kevin Darcy
kcd at daimlerchrysler.com
Fri Sep 30 21:27:39 UTC 2005
WiNNie wrote:
>Hi,
>
>I have a catch-all Bind Name Server setup and would like to either stop
>all MX lookups, not respond to them, or impliment another method of
>minimizing their effect on my Name Server:
>
>$TTL 86400
>. IN SOA ns2.domain. (
> 45
> 28800
> 14400
> 3600000
> 86400 )
> IN NS ns2.domain.
>* IN A 1,2,3,4
>
Are those *commas* in your IP address?
>Any suggestions welcome. And is there any negative effect of adding in
>the MX records to point to 127.0.0.1?
>
Well, MX records don't point directly to IP addresses, but in this
particular case, it wouldn't really matter if you had the MX record
point to the *name* "127.0.0.1" (i.e. under the "0" subdomain of the "1"
top-level domain), since you're resolving all names anyway. If you want
the MX target to resolve to the *address* 127.0.0.1, then you'll need to
add an A record somewhere that resolves to that address, and then point
the wildcard MX at that name.
- Kevin
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