dns_master_load issues
Lance Albertson
lance at ksu.edu
Wed Aug 17 00:44:37 UTC 2005
Mark Andrews wrote:
>>> You can use DNAME for one of the zones.
>>
>>I just read about those records (hadn't really used them before). I
>>tried doing a few things with DNAME records and it doesn't seem to like
>>applying these to ORIGINS that are set. i.e.:
>>
>>For the foo.example zone (bar.example being the other one)
>>
>> IN DNAME foo.example.
>>$ORIGIN blah.bar.example.
>>
>>It complains about out-of-zone data with that. Or is there another way
>>to use DNAMEs to make it work the way I'd like? I'm sure that I'm
>>probably not using the right syntax or something :)
>
>
> One zone would be just.
>
> @ SOA ...
> @ NS ...
> @ MX ...
> @ A ...
> @ AAAA ...
> @ DNAME <otherzone>
>
> Lookups in this zone would be converted to CNAMES on the fly
> by the nameservers.
>
> e.g.
>
> ; <<>> DiG 8.3 <<>> e.a.e.e.f.9.e.f.f.f.4.7.8.0.2.0.0.2.8.0.0.0.f.1.0.7.4.0.1.0.0.2.ip6.int ptr
> ;; res options: init recurs defnam dnsrch
> ;; got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 9691
> ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 2, ADDITIONAL: 0
> ;; QUERY SECTION:
> ;; e.a.e.e.f.9.e.f.f.f.4.7.8.0.2.0.0.2.8.0.0.0.f.1.0.7.4.0.1.0.0.2.ip6.int, type = PTR, class = IN
>
> ;; ANSWER SECTION:
> 0.2.8.0.0.0.f.1.0.7.4.0.1.0.0.2.ip6.int. 1H IN DNAME 0.2.8.0.0.0.f.1.0.7.4.0.1.0.0.2.ip6.arpa.
> e.a.e.e.f.9.e.f.f.f.4.7.8.0.2.0.0.2.8.0.0.0.f.1.0.7.4.0.1.0.0.2.ip6.int. 0S IN CNAME e.a.e.e.f.9.e.f.f.f.4.7.8.0.2.0.0.2.8.0.0.0.f.1.0.7.4.0.1.0.0.2.ip6.arpa.
> e.a.e.e.f.9.e.f.f.f.4.7.8.0.2.0.0.2.8.0.0.0.f.1.0.7.4.0.1.0.0.2.ip6.arpa. 1H IN PTR drugs.dv.isc.org.
>
> ;; AUTHORITY SECTION:
> 0.2.8.0.0.0.f.1.0.7.4.0.1.0.0.2.ip6.arpa. 1H IN NS ns-ext.vix.com.
> 0.2.8.0.0.0.f.1.0.7.4.0.1.0.0.2.ip6.arpa. 1H IN NS ns-int.vix.com.
>
> ;; Total query time: 0 msec
> ;; FROM: drugs.dv.isc.org to SERVER: 127.0.0.1
> ;; WHEN: Wed Aug 17 08:17:17 2005
> ;; MSG SIZE sent: 89 rcvd: 268
Ah yes, I did figure this out myself earlier today. The only question I
have left is if there's any sort of compatibility issues I should know
about switching a domain to using DNAME? I think I saw one post among
the internet talking about win2k shipping out supporting the RFC behind
this. I tried looking it up again and couldn't find it.
>>> You can use multiple labels for the owners names, etc. and
>>> not use $ORIGIN.
>>
>>Could you elaborate more on this? I'm not quite following what you're
>>suggesting here.
>
>
> foo.bar A 1.12.4.5
> xxx.yyy A 1.12.3.4
Yup, thanks!
--
Lance Albertson <lance at ksu.edu>
Unix System Administrator Kansas State University
Computing and Networking Services Enterprise Server Technologies
Work: 532-3067 PGP Key: 0x27F4B742
GPG Fingerprint 0423 92F3 544A 1282 5AB1 4D07 416F A15D 27F4 B742
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