MSD Registry Holdings, Inc. (a subsidiary of Merck Sharp and Dohme Corp, Whitehouse Station, NJ USA) is the official, ICANN approved Registry Operator of the .MSD top-level domain. MSD will be the sole registrant of .MSD domains – meaning that if you see a domain name ending in .MSD, you can be certain that the website is affiliated with us. You may request information about registered .MSD domains by using the WHOIS search.

For 125 years, MSD has been a global health care leader working to help the world be well. MSD is a tradename of Merck & Co., Inc., Kenilworth, N.J., USA. Through our prescription medicines, vaccines, biologic therapies, and animal health products, we work with customers and operate in more than 140 countries to deliver innovative health solutions. We also demonstrate our commitment to increasing access to healthcare through far-reaching policies, programs and partnerships.

Domain Abuse Contact

MSD gTLD Administrator
3070 Route 22 West
Branchburg NJ 08876-3598


Learn more


Learn more