Route 53

Question 1

What does the the Route 53(DNS) ‘A’ record type do?

Answer 1

maps a hostname to IPv4

Question 2

What does the Route 53(DNS) ‘AAAA’ record type do?

Answer 2

maps a hostname to IPv6

Question 3

What does the the Route 53(DNS) ‘CNAME’ record type do?

Answer 3

maps a hostname to another hostname (only for non root domain) for example, for AWS resource such as API Gateway (api.sharefiletest.io -> d1oduyc5tkw4d9.cloudfront.net.)

Question 4

What does the the Route 53(DNS) ‘NS` record type do?

Answer 4

Name servers for the Hosted Zone (control how traffic is routed for a domain)

Question 5

What is Route 53?

Answer 5

Highly available, scalable, fully managed and Authoritative DNS. Also Domain Registrar.

Question 6

What are Hosted Zones?

Answer 6

A container for records that define how to route traffic to a domain and its subdomains. Can be public(for internet) or private (internal to corp network url). .50 per month per zone

Question 7

What is records TTL?

Answer 7

DNS request answer TTL

Question 8

What is the difference between a Domain and a Hosted Zone?

Answer 8

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.