R53

Question 1

What does the DHCP option set of a DEFAULT VPC specify?

Answer 1

Domain Name Server: AmazonProvidedDNS

Amazon-provided domain name

Question 2

Do EC2 instances in non-default VPCs have resolvable DNS hostnames?

Answer 2

Not by default (unlike in default VPCs) To enable resolvable DNS hostnames, you must configure BOTH:

DNS RESOLUTION
DNS HOSTNAMES

Question 3

How to configure CloudFront to use a “normal” domain URL?

Answer 3

CNAME record
www.example.com —–>
d66sk3k2.cloudfront.net

Question 4

What does a Private Hosted Zone do? What about Split-View DNS?

Answer 4

Private Hosted Zone: determines how R53 responds to DNS queries within or among your VPCs

Split View: configuring both private and public hosted zones, allowing different IP results for a single domain name query

Question 5

How to make R53 the authoritative DNS for a domain hosted elsewhere

Answer 5

1. On the other provides, list R53 DNS Servers
2. Create a public hosted zone