co.jp vs ui-dns.biz

ui-dns.biz is used by more websites in our catalog: 137 use co.jp and 1,827 use ui-dns.biz.

co.jp sites have the higher median Ahrefs Domain Rating (co.jp: 70, ui-dns.biz: 22).

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

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