Why Has Microsoft Been Routing Example.com Traffic to a Company in Japan?

A misconfiguration in Microsoft's network caused test credentials for example.com to route to a Japanese company's domains, mainly affecting Outlook users. While routing was fixed, concerns over potential network vulnerabilities remain.

https://arstechnica.com/information-technology/2026/01/odd-anomaly-caused-microsofts-network-to-mishandle-example-com-traffic/