AWS Generated Public DNS Hostnames
To get around the issue of the auto generated, looooong AWS hostnames:
- On your VPC, you want so set EnableDnsSupport and enableDNSHostnames to false.
- Once you do that, you will be able to define a custom domain name in your DHCP options set. This will let you supply your own custom domain name (such as mycompanyAWS.com) . All instance hostnames in the VPC will inherit this domain name.
https://docs.aws.amazon.com/vpc/latest/userguide/VPC_DHCP_Options.html
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