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Re: provisioning software, was DNS RRTYPEs, the difficulty with



They're not implementation specific, but they're also not required to
interoperate, as the wire format queries and responses are.

They are a interchange standard as per RFC 1034.

Yes, we all know that. But as I presume you also know, there are plenty of DNS servers that store the zone info in other ways, ranging from djbdns mutant syntax text files to various databases.

Whatever the server uses, the provisioning system better match.

The standard format of master files allows them to be exchanged between
hosts (via FTP, mail, or some other mechanism); this facility is useful
when an organization wants a domain, but doesn't want to support a name
server.  The organization can maintain the master files locally using a
text editor, transfer them to a foreign host which runs a name server,
and then arrange with the system administrator of the name server to get
the files loaded.

That is one implementation.  But it's far from the only one.

My system has a web front end that lets my users edit groups of their djbdns RRs, which it stores in a database. Once an hour, a perl script goes through the database, regenerates the mutant text files, and stuffs them into the name servers. It's not fabulous, but it gets the job done.

Regards,
John Levine, johnl@xxxxxxxx, Primary Perpetrator of "The Internet for Dummies",
Please consider the environment before reading this e-mail. http://jl.ly
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