ACME 101
Guide
A gentle introduction to ACME & HTTP-01
How Let's Encrypt actually issues you a certificate, step by careful step.
DNS Verify
How-to
Why we ask for DNS verification before monitoring
A short story about why your friend's domain shouldn't show up in someone else's portal.
Outage Story
Post-mortem
"It's the cert" — anatomy of a 4 AM outage
A real expiry incident, what we learned, and how we rebuilt the alert pipeline.
