Brand and site signals
McDonald's is one of the world’s most recognizable quick-service restaurant brands, and this Japanese domain fits that pattern. The presence of HTTPS, along with an Amazon-issued SSL certificate, supports basic transport security for visitors. On the technical side, the IP being hosted in the United States does not by itself indicate a problem, but it is worth noting alongside the unusual zero-year registration data provided here.
Reputation and verdict
McDonald's has a long-standing global reputation and a large consumer footprint, which generally makes the brand familiar and low-risk from a legitimacy standpoint. For users, the main takeaway is that mcdonalds.co.jp looks like a regional corporate property rather than a suspicious standalone site. Based on the recognizable brand and visible security layer, it appears suitable for normal browsing, while the fresh domain-age signal deserves routine verification.