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This may seem like a very basic question, well, it is, but I am tad-bit confused after reading about Amazon Route 53 and the FAQs, and wanted to check if I am right.
What are Hosted Zones? In layman-speak, it's the number of domains (example.com, domain.com, etc.) that you are going to be associating with Amazon Route 53. Right?
So, with respect to the pricing, if I am only going to be using 1 domain, I'll only be charged $0.50 per month, correct?
What are Queries? The number of times a domain is resolved? i.e. if someone visits domain.com it's generates many queries for the page itself, its images, stylesheets, JS files etc. right? So, the number of queries is roughly equal to the number of hits website and its content receive?
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You'll need a hosted zone for each top-level domain (TLD). So, if you have domain1.com and domain2.com, you'll need 2 hosted zones. However, if you have subdomains: domain1.com and sub.domain1.com, you could combine those. Externally, you'll need a zone for each base domain.
A private hosted zone is a container for records for a domain that you host in one or more Amazon virtual private clouds (VPCs). You create a hosted zone for a domain (such as example.com), and then you create records to tell Amazon Route 53 how you want traffic to be routed for that domain within and among your VPCs.
A public hosted zone is a container that holds information about how you want to route traffic on the internet for a specific domain, such as example.com, and its subdomains (acme.example.com, zenith.example.com).
You can use Route 53 to perform three main functions in any combination: domain registration, DNS routing, and health checking.
To provide you with a highly available service, each Amazon Route 53 hosted zone is served by its own set of virtual DNS servers. The DNS server names for each hosted zone are thus assigned by the system when that hosted zone is created. Q. What is the difference between a Domain and a Hosted Zone? A domain is a general DNS concept.
A hosted zone is an Amazon Route 53 concept. A hosted zone is analogous to a traditional DNS zone file; it represents a collection of records that can be managed together, belonging to a single parent domain name. All resource record sets within a hosted zone must have the hosted zone’s domain name as a suffix.
You should also make sure that your domain name registrar is using the name servers in your Amazon Route 53 hosted zone. If not, Amazon Route 53 will not be authoritative for queries to your domain. Q. Does Amazon Route 53 support Weighted Round Robin (WRR)?
Policy records are visible in both the Amazon Route 53 Traffic Flow and Amazon Route 53 Hosted Zone sections of the Amazon Route 53 console. Q. Can I use the same policy to manage routing for more than one DNS name?
A hosted zone is a domain, basically. A single zone file also includes all subdomains though. E.g.: a.example.com, b.example.com and www.example.com would all be in the same zone file.
On the queries, yes it's how many requests that nameserver gets to resolve the domain name and it could be for a ping or an html file or an image or an ftp request, etc. Anytime it serves up a name resolution to anybody for anything is a query it served. As a note on that though, there is a TTL (time to live) setting on the zone file as well as DNS is built to cache so you don't get unnecessary requests. You could set that for a full 24 hours (86400 seconds) and every nameserver that gets a resolution will cache that answer and not re-query until that cache expires.
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