Snapshot
Snapshot of crossref.org: 26.5 years old, hosted in United States, ISP Unknown, HTTPS OK.
Lifespan
Counting from registration day, crossref.org has been around for approximately 26.5 years through Register.com - Network Solutions, LLC — within the "mature" maturity bracket of our scoring model.
Connection security
We performed a TLS handshake against crossref.org and got: OK. Combined with the registrar (Register.com - Network Solutions, LLC) and country (United States), this gives a baseline security view.
Network footprint
From a network perspective, crossref.org is hosted in United States 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
crossref.org currently ranks very_safe with a score of 100/100, based purely on public infrastructure facts.