Hey! alot of client getting confused when changing dns and they can easly block themself for a week with lets encrypt ssl, lets encrypt have a feature of "dry run" to check if site can create SSL cert before making a reall ssl cert
Hm.. It shouldn't block you for a week, if it did that - please let us know. Let's encrypt client on DA should do pre-checks before sending requests to Let's Encrypt servers. Anyway, if you'd like to use staging servers for your specific request, just use: