The recent @letsencrypt shutdown of TLS-SNI-01 validation (due to idiotic hosting providers) is very disappointing. It was by far the most convenient, hands-off, universal validation mechanism. https://community.letsencrypt.org/t/2018-01-11-update-regarding-acme-tls-sni-and-shared-hosting-infrastructure/50188 …
The documentation says you're wrong and tokens are not persisted. They should have 128 bits of entropy. Are you sure about this? Have you successfully completed two authorizations more than 60 days apart with the same TXT record?
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I thought I had. But it’s been too long. So maybe I’m wrong. Sorry.
Thanks. Twitter will use this to make your timeline better. UndoUndo
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I’ve not needed to change the DNS (or well known file) entry after the initial setup.
It keeps reusing old info. 