Route 53¶

TLDR¶

AWS Nameserver and Domain Name register Service.

Features¶

• managed
• scalable
• authorative dns (can be updated by customer)
• registar ( can register own names)
• 100% availabilty
• health checks

DNS Record¶

• domanin name
• record Type
• value (ip)
• routing policy
• ttl

Record types¶

A¶

• hostname to ipv4

AAAA¶

• hostname to ipv6

CNAME¶

• maps dns querys to another domain or subdomain
• AAAA
• CNAME
• NS

Alias¶

• can target a root domain (cname can not)
• can only be used for aws ressources

Endpoint types¶

Outbound¶

• used by ressources in VPC to resolve dns querys to ressources outside of the VPC (e.g. on premise)

Inbound¶

• used by ressources outside of aws to resolve name to ressources inside a VPC

Routing Types¶

Weighted¶

• split traffic % to a % to b

Latency based¶

• route to record with least latency for user