cloudflare.net vs mailsecurity.io

cloudflare.net is used by more websites in our catalog: 8,185 use cloudflare.net and 131 use mailsecurity.io.

cloudflare.net sites have the higher median Ahrefs Domain Rating (cloudflare.net: 20, mailsecurity.io: 13).

Between 2026-06 and 2026-07, cloudflare.net went from 1.1% to 0.93% of all tracked sites, while mailsecurity.io went from 0.02% to 0.01%. mailsecurity.io is gaining ground faster in our index.

No. A site runs a single email host, so cloudflare.net and mailsecurity.io 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.