CNAME RRs

Barry Margolin barmar at genuity.net
Thu Sep 20 19:09:19 UTC 2001


In article <9oddtg$12q at pub3.rc.vix.com>,
 <pelln at icke-reklam.ipsec.nu.invalid> wrote:
>
>Richard Willmann <mailinglists at nocomment.sk> wrote:
>
>> hello,
>
>>  i would like to ask according to DNS glossary founded on Men&Mice web site
>> about CNAME RRs. The CNAME RR according to RFC1035 can not share owner name
>> with any other RR. But, this time I have found following statement:
>
>> --- CUT ---
>> A domain name that has a CNAME record can't have any children. So if
>> glossary.example.com has a CNAME record, Then jobs.glossary.example.com is
>> improper.
>> --- CUT ---
>
>It means that one cannot have a subdomain glossary.example.com ( or antithing
>else named "glossary.example.com"
>
>In the zonefile for example.com it's perfectly ok to have :
>glossary.example.com.	IN	CNAME <somewhere else>
>jobs.glossary.example.com IN    A	1.2.3.4

Isn't that exactly what the second sentence in the quote says is *not* OK?
So are you agreeing with the quote or disagreeing with it?

As I wrote earlier, I believe that these entries are OK, and the claim from
Men&Mice is wrong.

-- 
Barry Margolin, barmar at genuity.net
Genuity, Woburn, MA
*** DON'T SEND TECHNICAL QUESTIONS DIRECTLY TO ME, post them to newsgroups.
Please DON'T copy followups to me -- I'll assume it wasn't posted to the group.


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