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Linux Tutorial :: View topic - advantage of MyDNS over other DNS servers
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advantage of MyDNS over other DNS servers

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Joined: Oct 03, 2006
Posts: 2

PostPosted: Wed Oct 04, 2006 3:07 pm    Post subject: advantage of MyDNS over other DNS servers Reply with quote

My current project is to implement a Red Hat DNS server to back-up the current. I have been reading about MyDNS and it states that it is unique because it is designed to work w/external SQL db.

What is the advantage of this? Please be gentle, I am just not familiar with Linux enough to know. Cool Shocked
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Joined: Sep 12, 2005
Posts: 224
Location: Belgium

PostPosted: Tue Oct 17, 2006 6:53 pm    Post subject: Reply with quote

I'd say you can find the major advantages on the MyDNS web site :
stability, security, interoperability, and speed
although i don't know that a 'traditional' DNS server would lack these qualities.

Also note the downsides: MyDNS does not include recursive name service,

and obviously the main advantage would be that you can use standard database techniques (i.e. SQL language) to update and query your DNS

Personally, I'm not convinced this is necessarily a good idea.
the traditional DNS config and data is in plain text files, which makes them very easy to modify data (any plain text editor will do), easy to backup and restore (simple file copy), etc, so you get robustness and simplicity - whereas database servers can be rather complex. And I don't see how this additioonal complecity has any added value to a traditional DNS server.

Also, you'd add a point of failure : if your database server crashes, your DNS goes down with it.
Besides that, a traditional DNS server, say bind, already has all these feautures like replication, file transfers, redundency through master-slave configurations etc that this SQL-based DNS mimics using database-techniques, but that's just different technology towards the same result, so I don't really see the point, other than that it may be an interesting exercise to see if it can be done, creating a SQL-based DNS server.

But that's just 1 opinion.
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