The domain name 1drv.ms is owned and operated by Microsoft, and has been since 2013.
The URL is used for sharing links as part of Microsoft One Drive. As a result of this the URL is often associated with malicious files and other unwanted content, as well as sharing genuine files between users it is also been used by malicious actors to share malicious files on websites or via spam e-mails.
The Who is details for the domain 1drv.ms can be found here
Duncan is a technology professional with over 20 years experience of working in various IT roles. He has a interest in cyber security, and has a wide range of other skills in radio, electronics and telecommunications.