dansupLetsencrypt is going to revoke 3,048,289 certificates tomorrow that "may" have been wrongfully issued due to a wrong CAA DNS check.
To check if you're affected, and need to re-issue certs (before tomorrow!), check here:
Jonkman Microblog is a social network, courtesy of SOBAC Microcomputer Services. It runs on GNU social, version 1.2.0-beta5, available under the GNU Affero General Public License.
All Jonkman Microblog content and data are available under the Creative Commons Attribution 3.0 license.