This comment on the 7th of May from someone at Let's Encrypt says that implementation may be delayed until Q3 due to open issues in the specification. That migh

This comment on the 7th of May from someone at Let's Encrypt says that implementation may be delayed until Q3 due to open issues in the specification. That might be what happened. https://community.letsencrypt.org/t/dns-persist-01-deployment-status-and-timeline/246468/6 https://community.letsencrypt.org/t/dns-persist-01-deploymen... Perhaps more info can be found on the mailing list. https://mailarchive.ietf.org/arch/browse/acme/?q=draft-ietf-acme-dns-persist https://mailarchive.ietf.org/arch/browse/acme/?q=draft-ietf-...