@origin
Joseph S D Yao
jsdy at center.osis.gov
Wed Jan 23 17:56:00 UTC 2002
On Tue, Jan 22, 2002 at 09:53:51AM +0000, Ken wrote:
> what does it do?
"@origin" produces a syntax error when put into a zone file.
When "@" is the label (left-hand side) of a resource record in a zone
file, it initially translates into the zone for which that file is
called. Thus, your zone files will typically start with (something
like):
$TTL 86400
@ SOA main-ns.example.domain. integerx.hotmail.com. ...
so if this file were called for "example.domain", the "@" would refer
to "example.domain.".
This is also the domain appended to right-hand names that don't end
with a dot. E.g.,
@ NS main-ns
actually refers to the host specified in the SOA record above.
The "$ORIGIN" directive changes the value of "@". It is best to keep
this within the subdomains of the original value of "@".
--
Joe Yao jsdy at center.osis.gov - Joseph S. D. Yao
OSIS Center Systems Support EMT-B
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