I don’t. From what I can tell, you suggested it. (see quote below)
I think this quoting feature is partly to blame for the confusion going on here. Leaving out surrounding context makes paragraphs and sentences mean entirely different things. In this situation, the immediately preceding paragraph outlined that I needed to switch from EC to RSA for better integration with Microsoft services and how I did that using DNS challenges.
I appreciate everyone’s time and the caddy project. I’ll work it out with ZeroSSL, figure out the DNS auth challenge myself, or find another solution.