com.au vs UltraDNS

UltraDNS is used by more websites in our catalog: 516 use com.au and 2,243 use UltraDNS.

UltraDNS sites have the higher median Ahrefs Domain Rating (com.au: 27, UltraDNS: 55).

Between 2026-06 and 2026-07, com.au went from 0.07% to 0.06% of all tracked sites, while UltraDNS went from 0.32% to 0.25%. com.au is gaining ground faster in our index.

No. A site runs a single DNS provider, so com.au 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.