acme-dns : Limited DNS server with RESTful HTTP API to handle ACME DNS challenges ( https://github.com/joohoi/acme-dns )
certspotter : Certificate Transparency Log Monitor ( https://sslmate.com/certspotter https://github.com/SSLMate/certspotter )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a go-overlay
For Paludis use this rsync : rsync://gentoo.zugaina.org/go-overlay-portage
If you have a problem : ycarus(-at-)zugaina.org