Alternative of certbot and dns-rfc2136 plugin on Windows

[rg305]

@_az, you did read the part about

@yasu

default certificate of Windows remote desktop service isn't valid one and I'd like to replace it with Let's Encrypt certificat

I'm not 100% certain, an LE cert can be used for Windows RDP.

Here is somewhat of how I recall it:
Using Let's Encrypt to secure Windows Remote Desktop connections - Server - Let's Encrypt Community Support