Fastmail vs mxrecord.io

Fastmail is used by more websites in our catalog: 1,580 use Fastmail and 170 use mxrecord.io.

mxrecord.io sites have the higher median Ahrefs Domain Rating (Fastmail: 38, mxrecord.io: 61).

Between 2026-06 and 2026-07, Fastmail went from 0.22% to 0.18% of all tracked sites, while mxrecord.io went from 0.03% to 0.02%. mxrecord.io is gaining ground faster in our index.

No. A site runs a single email host, so Fastmail and mxrecord.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.