At a glance
The fastest way to read openstax.org: country United States, age 14.6 yrs, SSL OK, registrar GoDaddy.com, LLC. Each of those points is expanded in the sections that follow.
Certificate health
The certificate currently presented by openstax.org resolves as: OK. Valid certificates from a recognised CA are required for credit-card or login traffic.
Domain age
The domain has been registered for roughly 14.6 years, which puts it in the "mature" maturity bracket. Older domains are statistically less risky than freshly registered ones.
Server jurisdiction
The IP behind openstax.org sits in United States, on infrastructure provided by Unknown. Disputes or DMCA notices typically follow that jurisdiction.
Should you trust openstax.org?
Our score is purely technical. Sites with valid SSL, several years of history and a reputable registrar tend to score higher, but that does not exclude scams. Always combine this report with content judgement.
Where openstax.org lands
On a 0-100 scale, our automated check places openstax.org at 100 — that is the "very_safe" band. Combine with your own judgement for the final call.