Snapshot
Snapshot of letsencrypt.org: 11.8 years old, hosted in Germany, ISP Unknown, HTTPS OK.
Connection security
We performed a TLS handshake against letsencrypt.org and got: OK. Combined with the registrar (Cloudflare, Inc.) and country (Germany), this gives a baseline security view.
Lifespan
Counting from registration day, letsencrypt.org has been around for approximately 11.8 years through Cloudflare, Inc. — within the "mature" maturity bracket of our scoring model.
Network footprint
From a network perspective, letsencrypt.org is hosted in Germany through Unknown. This affects latency, applicable law and abuse-handling channels.
Reputation signals
Public infrastructure alone cannot prove a site is safe — it can only show whether it follows industry baselines (HTTPS, mature registration, traceable WHOIS). For trust beyond that, cross-check user reviews and your own communication with the operator.
In one sentence
letsencrypt.org currently ranks very_safe with a score of 100/100, based purely on public infrastructure facts.