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Is there ways to do redundant DNS for email and/or websites?

Posted on 2014-12-10
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Last Modified: 2014-12-21
We have an exchange server and several web server applications. Yesterday we experienced some major outages with our DNS provider 1and1 on our domains. We were unable to receive emails due to MX records not found and also our users could not access our websites to access our web applications. All of these issues occurred due to our DNS provider being down or having major issues. Is there a way to have redundant DNS providers or services on the same domain? I am looking for failover or backup solution in case one DNS provider goes down. Does such a thing exist?
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Question by:LRAA
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6 Comments
 
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Expert Comment

by:Jan Springer
ID: 40491804
I always recommend at least two DNS authoritative servers running under different ASNs (via different providers).

Don't set your expire too short in case the master goes down, you don't want the slave to expire the data too soon thereafter.

I like http://puck.nether.net/dns for secondary DNS services.
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LRAA earned 0 total points
ID: 40502868
We are looking into DNSmadeeay.com which is to host all of our records on multiple dns server throughout the country.
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by:Jan Springer
ID: 40502887
I object.  dpcsit gave a an excellent answer.
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by:dpcsit
ID: 40505944
Not worried about it, but thanks. I just wanted to build more resources for others to find answers as I use this site way more then I help build it!
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Author Closing Comment

by:LRAA
ID: 40511446
We found our solution.
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