portsdns.se vs UltraDNS

UltraDNS is used by more websites in our catalog: 109 use portsdns.se and 2,243 use UltraDNS.

portsdns.se and UltraDNS sites have a similar median Ahrefs Domain Rating.

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

No. A site runs a single DNS provider, so portsdns.se 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.