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Domain footprint: polyu.edu.hk
Resolved live just now — where this domain's services actually run, with each address attributed by OrgIndex. A DNS observation, not registry data: many organisations run entirely on providers' networks and hold no IP space of their own.
Web:
158.132.48.76 → The Hong Kong Polytechnic University ·
158.132.82.94 → The Hong Kong Polytechnic University
Mail:
polyu-edu-hk.mail.protection.outlook.com → Microsoft Corporation
SPF sends via:
spf.protection.outlook.com · spf1.polyu.edu.hk · spf2.polyu.edu.hk · spf3.polyu.edu.hk