ui-dns.biz vs whc.ca

ui-dns.biz is used by more websites in our catalog: 1,827 use ui-dns.biz and 211 use whc.ca.

ui-dns.biz sites have the higher median Ahrefs Domain Rating (ui-dns.biz: 22, whc.ca: 19).

Between 2026-06 and 2026-07, ui-dns.biz went from 0.23% to 0.21% of all tracked sites, while whc.ca went from 0.03% to 0.02%. whc.ca is gaining ground faster in our index.

No. A site runs a single DNS provider, so ui-dns.biz and whc.ca 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.