cscdns.uk vs UltraDNS

UltraDNS is used by more websites in our catalog: 656 use cscdns.uk and 2,243 use UltraDNS.

UltraDNS sites have the higher median Ahrefs Domain Rating (cscdns.uk: 52, UltraDNS: 55).

Between 2026-06 and 2026-07, cscdns.uk went from 0.10% to 0.07% of all tracked sites, while UltraDNS went from 0.32% to 0.25%. cscdns.uk is gaining ground faster in our index.

No. A site runs a single DNS provider, so cscdns.uk 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.