DNS Failover for newbie

Hello:

I recently signed with an el cheapo web hosting company.  They suspended my account (even though I have Paypal proof to the contrary) that payment was made.

When a visitor reaches my site the web provider dispalys a big ugly box that reads "Account Suspended" Never had this in my 10 years of using these companies!

Can DNS failover be used to direct a visitor to a redundant site created with another web host? Or does this only apply if the server is actually down?

If hosting the same site as a backup or mirror with another service provider is this not duplicate content in the eyes of Google (when it comes to SEO)?

I really just learned about DNS failover today!

Thanks!
Allan62Asked:
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boowhupCommented:
If you have control of DNS why don't you just point your domain to a new host entirely?
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Allan62Author Commented:
I did that.  I'm just wondering if there is a method to automate the process. I am also trying to understand what DNS fail over is and why their is an industry that markets this.

Thanks!
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boowhupCommented:
Typically the Failover service does a check if your "production" system is running, either by ping or http service check (this is configurable, and there may be other options depending on who you use). If it fails the test then it would change DNS to hit your "redundant" system instead. Typically these systems only check for "a response" instead of a specific response - but I'm sure there are some out there that could expect a specific response to a request.

There may be a way that the Failover service can check if you get that "Account Suspended" http response that it fails over, but would depend on the options the service provider has available, I can't say I've seen it.
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