via https://community.letsencrypt.org/t/creating-a-webservice-for-analysis-of-common-problems/45836/13
"Your mailserver supports STARTTLS, uses great TLS parameters, and presents a valid certificate!" \o/
via @nixcraft
via https://linuxfr.org/users/andrianarivony/journaux/surface-d-attaque-des-serveurs-dans-les-nuages-cloud
via https://linuxfr.org/users/thoasm/liens/une-intro-a-dns-par-https-chez-mozilla
via @jpmens
