Use AWS Services for Dynamic DNS

[DanSchoppe]

• Move registrar + DNS to Route53
• CloudWatch event on EC2 instance change
  • Lambda integration such that "running" instance state triggers a DNS CNAME record update

Inspiration:
Building a Dynamic DNS for Route 53 using CloudWatch Events and Lambda
https://aws.amazon.com/blogs/compute/building-a-dynamic-dns-for-route-53-using-cloudwatch-events-and-lambda/
https://github.com/aws-samples/aws-lambda-ddns-function/blob/master/union.py