UltraDNS vs whois.com

UltraDNS is used by more websites in our catalog: 2,243 use UltraDNS and 176 use whois.com.

UltraDNS sites have the higher median Ahrefs Domain Rating (UltraDNS: 55, whois.com: 15).

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

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