Best criteria for choosing a DNS provider : Redundancy, Locations, Cost, IPV6, Reliability

Posted by antoinet on Pro Webmasters See other posts from Pro Webmasters or by antoinet
Published on 2011-08-15T14:40:35Z Indexed on 2011/11/25 10:08 UTC
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dns

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What criteria should I use to choose a good DNS provider?

Redundancy - Your DNS service should use at least 4 nameservers. You should also check for the use of anycast servers such as Amazon Route 53 and dyn.com services.
Worldwide server location - Servers shall be located worldwide, not just in one country!
Ipv6 support - It shall be possible to declare an AAAA entry to your server if it supports IPV6
Cost is of course an issue. Some service are free, Amazon Route 53 seems quite cheap.
Reliability : SLA is also important, it demonstrate that reliability is measured. Your dns provider shall then state for a refund in case a failure is encountered.

Anything else?

For reference, a couple of links for more information:

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