I had only seen ".well-known/" used by Let's Encrypt, and wasn't aware that it was part of a larger (proposed) standard. Thank you for mentioning it. For other

I had only seen ".well-known/" used by Let's Encrypt, and wasn't aware that it was part of a larger (proposed) standard. Thank you for mentioning it. For others who are interested, here a detailed description: https://tools.ietf.org/html/rfc5785 https://tools.ietf.org/html/rfc5785