.ms is the Internet country code top-level domain (ccTLD) for Montserrat, a British Overseas Territory.^[1]

• Microsoft uses this as an abbreviation for projects such as ch9.ms or 1drv.ms for its OneDrive. In particular, aka.ms is used extensively as a URL shortener for Microsoft's web sites, such as http://aka.ms/MFAsetup.
• Websites based in, or having to do with, the U.S. state of Mississippi also use the .ms domain^[2] as MS is the ISO 3166-2:US code and official United States Postal Service abbreviation for the state.
• Some companies based in the Brazilian state of Mato Grosso do Sul (officially abbreviated as MS) use the .ms TLD
• Some companies and organisations in the German town Münster in Westphalia use the TLD as well since MS is the official vehicle license plate code for the city.
• The New York Times uses .ms as a top level domain name for permalinks referring to New York Times addresses. For example, http://nyti.ms/ reaches The New York Times homepage.
• The Hillary Clinton 2016 presidential campaign used the domain name "HRC.ms" as a URL shortener.
• The family of F1 driver Michael Schumacher used the domain name keepfighting.ms for his foundation, established after his skiing accident in Méribel on 29 December 2013
• A Dutch foundation for the cure of multiple sclerosis (MS) uses arenamoves.ms.
• The Dutch organisation openbsd.amsterdam uses obsda.ms for its short code link.

• com.ms
• edu.ms
• gov.ms
• net.ms
• org.ms

• IANA .ms whois information
• .ms Registry operated by MNI Networks Limited
• Domain Registration Services