a2hosting.com vs topdns.com

a2hosting.com is used by more websites in our catalog: 1,610 use a2hosting.com and 171 use topdns.com.

topdns.com sites have the higher median Ahrefs Domain Rating (a2hosting.com: 17, topdns.com: 26).

Between 2026-06 and 2026-07, a2hosting.com went from 0.20% to 0.18% of all tracked sites, while topdns.com went from 0.02% to 0.02%. topdns.com is gaining ground faster in our index.

No. A site runs a single DNS provider, so a2hosting.com and topdns.com 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.