Quick DNS question

Kevin Darcy kcd at daimlerchrysler.com
Tue Mar 7 17:59:55 UTC 2000


CNAMEs map names to other names, i.e. aliasing. The rhs should therefore be the
target of the alias, i.e. a domain name.

If you just want to map a name to an IP address, use an A record.


- Kevin

Robert Everland III wrote:

> What do I put on the right hand side? The domain name? Thanks for the help
> though I knew there were little things I messed up, but they just realized
> that I can turn off recursion and it won't let them query outside domain
> names. Take me a  novice at DNS to put them in thier place
>
> Bob Everland
>
> > -----Original Message-----
> > From: kcd at daimlerchrysler.com [mailto:kcd at daimlerchrysler.com]
> > Sent: Tuesday, March 07, 2000 12:10 PM
> > To: bind-users at isc.org
> > Subject: Re: Quick DNS question
> >
> >
> > Robert Everland III wrote:
> >
> > >         Ok the idiots at my ISP are screwing up so many things
> > with my DNS. They
> > > keep telling me that because they try to run queries on my DNS
> > and it gives
> > > them the root servers there is something wrong with it. I say
> > it's because I
> > > put security on my DNS server following the presentation on
> > acmebw.com. Who
> > > is right? My DNS is NS1.ORLANDO.COM and a domain I have running on it is
> > > floridatennis.com. I am using Bind 4.9.7 now.
> >
> > I think the bit about getting root server referrals is probably
> > bogus (if they were
> > querying a domain for which you aren't authoritative and don't
> > have any data
> > cached, and you have recursion turned off, what would they
> > expect?), but you have a
> > genuine problem with www.floridatennis.com:
> >
> > % dig www.floridatennis.com @ns1.orlando.com
> >
> > ; <<>> DiG 8.2 <<>> www.floridatennis.com @ns1.orlando.com
> > ; (1 server found)
> > ;; res options: init recurs defnam dnsrch
> > ;; got answer:
> > ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 6
> > ;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0
> > ;; QUERY SECTION:
> > ;;      www.floridatennis.com, type = A, class = IN
> >
> > ;; ANSWER SECTION:
> > www.floridatennis.com.  1D IN CNAME     216.53.187.176.floridatennis.com.
> >
> > ;; AUTHORITY SECTION:
> > floridatennis.com.      1D IN SOA       ns1.orlando.com.
> > webmaster.orlando.com. (
> >                                         2000020902      ; serial
> >                                         3H              ; refresh
> >                                         1H              ; retry
> >                                         1W              ; expiry
> >                                         1D )            ; minimum
> >
> >
> > ;; Total query time: 86 msec
> > ;; FROM: fxiod01.is.chrysler.com to SERVER: ns1.orlando.com
> > 216.53.187.189
> > ;; WHEN: Tue Mar  7 12:10:30 2000
> > ;; MSG SIZE  sent: 39  rcvd: 143
> >
> > %
> >
> > Looks like you put an IP address on the right-hand-side of a CNAME...
> >
> >
> > - Kevin
> >
> >
> >
> >






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