Package route53resolver provides the API client, operations, and parameter
types for Amazon Route 53 Resolver.
When you create a VPC using Amazon VPC, you automatically get DNS resolution
within the VPC from Route 53 Resolver. By default, Resolver answers DNS queries
for VPC domain names such as domain names for EC2 instances or Elastic Load
Balancing load balancers. Resolver performs recursive lookups against public
name servers for all other domain names. You can also configure DNS resolution
between your VPC and your network over a Direct Connect or VPN connection:
Forward DNS queries from resolvers on your network to Route 53 Resolver DNS
resolvers on your network can forward DNS queries to Resolver in a specified
VPC. This allows your DNS resolvers to easily resolve domain names for Amazon
Web Services resources such as EC2 instances or records in a Route 53 private
hosted zone. For more information, see How DNS Resolvers on Your Network
Forward DNS Queries to Route 53 Resolver (https://docs.aws.amazon.com/Route53/latest/DeveloperGuide/resolver.html#resolver-overview-forward-network-to-vpc)
in the Amazon Route 53 Developer Guide. Conditionally forward queries from a VPC
to resolvers on your network You can configure Resolver to forward queries that
it receives from EC2 instances in your VPCs to DNS resolvers on your network. To
forward selected queries, you create Resolver rules that specify the domain
names for the DNS queries that you want to forward (such as example.com), and
the IP addresses of the DNS resolvers on your network that you want to forward
the queries to. If a query matches multiple rules (example.com,
acme.example.com), Resolver chooses the rule with the most specific match
(acme.example.com) and forwards the query to the IP addresses that you specified
in that rule. For more information, see How Route 53 Resolver Forwards DNS
Queries from Your VPCs to Your Network (https://docs.aws.amazon.com/Route53/latest/DeveloperGuide/resolver.html#resolver-overview-forward-vpc-to-network)
in the Amazon Route 53 Developer Guide. Like Amazon VPC, Resolver is Regional.
In each Region where you have VPCs, you can choose whether to forward queries
from your VPCs to your network (outbound queries), from your network to your
VPCs (inbound queries), or both.