anchor.host vs UltraDNS

UltraDNS is used by more websites in our catalog: 143 use anchor.host and 2,243 use UltraDNS.

UltraDNS sites have the higher median Ahrefs Domain Rating (anchor.host: 19, UltraDNS: 55).

Between 2026-06 and 2026-07, anchor.host went from 0.01% to 0.02% of all tracked sites, while UltraDNS went from 0.32% to 0.25%. anchor.host is gaining ground faster in our index.

No. A site runs a single DNS provider, so anchor.host and UltraDNS 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.