Initial findings
Our automated probe of sunzi.cool returned a clean DNS answer pointing to China, served by Unknown, with the TLS handshake responding OK.
HTTPS verdict
Our HTTPS probe to sunzi.cool concluded with: OK. Together with the registrar and hosting country, this forms the security side of the scorecard.
Registration history
sunzi.cool has existed for about 5.3 years. Long-lived domains are usually associated with established projects, although age alone is not a guarantee of safety.
Where the data lives
Anything you submit to sunzi.cool is processed on servers located in China. Choose to share data accordingly.
Risk perspective
Domains with the profile of sunzi.cool (age 5.3 years, SSL OK, registrar Alibaba Cloud Computing Ltd. d/b/a HiChina (www.net.cn), country China) usually fall in the "very_safe" category in our automated scoring.
Verdict
Trust score: 100/100 — very_safe. This is an automated, technical-only verdict; treat it as one data point among many.