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81 lines
1.7 KiB
Markdown
81 lines
1.7 KiB
Markdown
# Route 53
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AWS DNS service offering.
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1. [TL;DR](#tldr)
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1. [Split-view](#split-view)
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1. [Further readings](#further-readings)
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1. [Sources](#sources)
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## TL;DR
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<!-- Uncomment if used
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<details>
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<summary>Setup</summary>
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```sh
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```
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</details>
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-->
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<details>
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<summary>Usage</summary>
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```sh
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# List hosted zones.
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aws route53 list-hosted-zones
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```
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</details>
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<!-- Uncomment if used
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<details>
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<summary>Real world use cases</summary>
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```sh
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```
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</details>
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-->
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## Split-view
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A.K.A _split-horizon_ DNS.
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Allows to use the same domain name for both **internal** _and_ **external** uses.
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Procedure:
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1. Create public **and** private hosted zones with the same name.<br/>
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Split-view DNS will still work if using an external DNS service for the public hosted zone.
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1. Associate one or more VPCs with the private hosted zone.<br/>
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Route 53 Resolver will use the private hosted zone to route DNS queries in the associated VPCs.
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1. Create records in each hosted zone.
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Records in the _public_ hosted zone will control how **internet** traffic is routed.<br/>
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Records in the _private_ hosted zone will control how traffic is routed **inside the associated VPCs**.
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1. Use Route 53 Resolver to perform name resolution of **both** the associated VPC **and** on-premises workloads.
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## Further readings
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### Sources
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- [What is Amazon Route 53?]
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- [Split-view DNS]
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<!--
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Reference
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═╬═Time══
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-->
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<!-- In-article sections -->
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<!-- Knowledge base -->
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<!-- Files -->
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<!-- Upstream -->
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[split-view dns]: https://docs.aws.amazon.com/Route53/latest/DeveloperGuide/hosted-zone-private-considerations.html
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[what is amazon route 53?]: https://docs.aws.amazon.com/Route53/latest/DeveloperGuide/Welcome.html
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<!-- Others -->
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