Re: Strange bind/sendmail issue
> > -----Original Message-----
> > From: Matus UHLAR - fantomas [mailto:uhlar@fantomas.sk]
> > Sent: Thursday, September 28, 2006 8:44 AM
> > To: debian-isp@lists.debian.org
> > Subject: Re: Strange bind/sendmail issue
> >
> > doesn't the customer.com domain have wildcard (*) MX record?
> > I encountered
> > similar problem when my parent domain (my current domain
> > wasn't the tld)
> > contained wildcard record. I then had to set up 'search' list
> > in resolv.conf
> > not to contain the parent domain.
On 28.09.06 11:13, Erik Dörnbach wrote:
> I'm not sure I fully understand, what exactly is any wildcard record good
> for?
imho for nothing, but many lazy/lame admins/companies use that even if they
don't know the consequences. You encountered one of them.
> As I said before, I can strangely resolve any hostname/subdomain under
> customer.com to an IP number not identified yet (first thought it was the
> ns itself, it's not).
that's it, there's probably wildcard record in the domain, check this:
'host -a \*.customer.com'
> I'm not sure if my problem is related to that, I'll look into it at the
> weekend.
it probably is: if you send mail to nonexisting host, the
nonexisting.host.customer.com resolves to your customer's server, so the
mail is sent there. Ask the customer to turn off wildcard record.
--
Matus UHLAR - fantomas, uhlar@fantomas.sk ; http://www.fantomas.sk/
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