cfdns.biz vs co.uk

co.uk is used by more websites in our catalog: 155 use cfdns.biz and 2,705 use co.uk.

co.uk sites have the higher median Ahrefs Domain Rating (cfdns.biz: 28, co.uk: 31).

Between 2026-06 and 2026-07, cfdns.biz went from 0.02% to 0.02% of all tracked sites, while co.uk went from 0.38% to 0.31%. cfdns.biz is gaining ground faster in our index.

No. A site runs a single DNS provider, so cfdns.biz and co.uk 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.