Super-simple DNS lookup tool in Go
Ubuntu installs three million dependencies for the bind9-host package and I needed a simple way to generate a comma-separated unicast list of IPs for Elasticsearch node discovery in a Rancher/Docker environment.
$ golookup www.google.com
173.194.116.112,173.194.116.113,173.194.116.114,173.194.116.116,173.194.116.115