Snapshot
Snapshot of crypto-textbook.com: 16.9 years old, hosted in Germany, ISP Unknown, HTTPS OK.
Lifespan
Counting from registration day, crypto-textbook.com has been around for approximately 16.9 years through united-domains GmbH — within the "mature" maturity bracket of our scoring model.
Connection security
We performed a TLS handshake against crypto-textbook.com and got: OK. Combined with the registrar (united-domains GmbH) and country (Germany), this gives a baseline security view.
Network footprint
From a network perspective, crypto-textbook.com 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
crypto-textbook.com currently ranks very_safe with a score of 100/100, based purely on public infrastructure facts.