register.com vs tierra.net

register.com is used by more websites in our catalog: 4,371 use register.com and 122 use tierra.net.

tierra.net sites have the higher median Ahrefs Domain Rating (register.com: 14, tierra.net: 27).

Between 2026-06 and 2026-07, register.com went from 0.48% to 0.50% of all tracked sites, while tierra.net went from 0.01% to 0.01%. register.com is gaining ground faster in our index.

No. A site runs a single DNS provider, so register.com and tierra.net 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.