Redirect to offsite server during downtime

[pgentoo]

In my recent case, I couldn't redirect any traffic since all the power was down in the facility, ie, no connectivity. I know this is a huge edge case, but i figured i'd throw the idea out there...

I run an offsite DNS server, and run all my TTL's very low, so I can make changes quickly. I find that my DNS load is next to nothing, so I maintain this. If i get higher DNS load I would consider raising the TTL's. So in my case, changing the IP's in DNS would work, but i guess if TTL was higher, it wouldn't make much sense.

So noone sees much value in a setup like this? Just too low of frequency that this type of scenario would happen?

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pgentoo