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[Coyo <coyo AT darkdna.net>]

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That's extremely helpful! Thank you so much!

The resolution of cyclical dependencies with glue records is what I
didn't understand. I knew it was hierarchical, but I didn't understand
the steps for each level in the hierarchy.

Thank you! *hugs Quinn*

On 3/5/2014 8:03 PM, Quinn Wood wrote:
> Hopefully ballpark approximation: 1.) Client: Hey
> a.root-servers.net. (root authority), can I have A records for
> www.google.com.? 2.) a.root-servers.net: I don't know any, but I
> can tell you what the NS record is for com.. It's
> a.gtld-servers.net.. 3.) Client: Hey a.root-servers.net., can I
> have A records for a.gtld-servers.net.? (The NS record for net. is
> a cyclical dependency, so the root has this information.) 4.)
> a.root-servers.net: The A record for a.gtld-servers.net. is
> 192.5.6.30. 5.) Client: Hey a.gtld-servers.net (delegated com
> authority by root), can I have A records for www.google.com.? 6.)
> a.gtld-servers.net: I don't know any, but I can tell you what the 
> NS record is for google.com.. It's ns1.google.com.. 7.) Client: Hey
> a.gtld-servers.net., can I have A records for ns1.google.com.? (The
> NS record for google.com. is a cyclical dependency, so the root has
> this information.) 8.) a.gtld-servers.net: The A record for
> ns1.google.com. is 216.239.32.10. 9.) Client: Hey ns1.google.com.
> (delegated google authority by com.), can I have A records for
> www.google.com.? 10.) ns1.google.com: The A records for
> www.google.com. are: 74.125.225.80 74.125.225.81 [...]
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