dns slave auto configuration

There’s a DO tutorial about setting up ‘dns slave auto configuration’ however it doesn’t explain why i would want to do it, and what it actually accomplishes. Can you explain. For example,

  1. is the master/slave set up described in the article going to make a duplicate copy of all the data, or does it have nothing to do with copying the database?

  2. will it result in higher performance somehow?

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<pre>What benefit does that provide?</pre> <br> <br>Here’s a decent article on the topic: <a href=“”>Considering DNS Server Design</a>

<pre>…but then why would I want to do it? Why do I want to copy DNS records from the master server onto the slave server?</pre> <br> <br>Because even the mighty GoDaddy* (*substitute whatever DNS provider you’re using, here) has outages from time-to-time.

You should have at least one slave DNS server for redundancy so it can be used instead of the other one if it’s down. <br> <br>Setting it up as a slave server takes care of copying the DNS records so you don’t have to set up a completely separate ns2 DNS server and add each DNS record twice, once on each server.