office365.us vs registrar-servers.com

registrar-servers.com is used by more websites in our catalog: 119 use office365.us and 4,623 use registrar-servers.com.

office365.us sites have the higher median Ahrefs Domain Rating (office365.us: 50, registrar-servers.com: 8).

Between 2026-06 and 2026-07, office365.us went from 0.02% to 0.01% of all tracked sites, while registrar-servers.com went from 0.58% to 0.52%. office365.us is gaining ground faster in our index.

No. A site runs a single email host, so office365.us and registrar-servers.com are mutually exclusive.

Adoption is counted from Site Stats Database's own crawl; Domain Rating comes from Ahrefs and traffic from DataForSEO. Figures reflect the sites we track and refresh at least monthly.