In what order does a secondary dns get used? Is it round robin, random, only on failover from the primary?
I set up my secondary on my home connection simply because I wanted it physically remote from my primary dns. But it's hogging my home connection,so I want to do something different. What are your thoughts on:
- somehow forcing the primary to do all the queries unless it's a failover. This would be fine with me, lots of horsepower on the primary.
- I could double the speed on my home connection. That's not perfect either, has some limitations.
- I could throw my secondar on a second IP on my primary (i.e. same server). bad practice, but if my main server is down, I probably don't care about secondary dns being up.
- I could find some secondary dns hosting, but I'm struggling with finding a good place to do this - particularly if the secondary is used as often as the primary; I need rock solid if that's the case, need fast dns responses.
How do you handle your secondary dns?