Why has Microsoft been routing example.com traffic to a company in Japan?
Summary
Ars Technica reports a misconfiguration causing example.com traffic to be routed to a sei.co.jp subdomain via Microsoft's autodiscover service. The piece documents the weak endpoint behavior, JSON responses, and subsequent updates from Microsoft, highlighting potential exposure of test credentials and the importance of careful network configuration in enterprise IT. It also notes historical context around similar incidents and ongoing questions about how such records are managed in large organizations.