Imports
- github.com/aws/aws-sdk-go/aws
- github.com/aws/aws-sdk-go/aws/awserr
- github.com/aws/aws-sdk-go/aws/credentials/stscreds
- github.com/aws/aws-sdk-go/aws/session
- github.com/aws/aws-sdk-go/service/ec2
- github.com/aws/aws-sdk-go/service/route53
- github.com/miekg/dns
- github.com/urfave/cli/v2