What the WCA is
The World Cube Association is the international body that oversees official cube-solving competitions, including events built around the classic 3x3 Rubik’s Cube and many other puzzle categories. A domain first registered in 2004 with active HTTPS security is a good sign for a long-running organization. The Amazon-issued SSL certificate also suggests the site is maintained on modern infrastructure.
Reputation and verdict
In the speedcubing community, the WCA is widely recognized as the standard-setting authority for official records, rules, and competition results. That kind of niche but established reputation usually points to a legitimate, low-risk site. Based on the domain age and security setup, this looks like a trustworthy organizational website rather than a suspicious or disposable domain.