How many companies use Cloudflare Email Security?
As of October 2026, 245 companies show public evidence of using Cloudflare Email Security across the 1,791,131 company domains runsonwhat tracks. That makes Cloudflare Email Security the 124th most used of the 156 Security & Compliance tools with confirmed customers, behind Accessible360 (245). The number is a lower bound: a company counts only when a public record, such as a DNS entry or Cloudflare Email Security's code on its website, shows the tool in use.
Which companies use Cloudflare Email Security?
Companies that use Cloudflare Email Security include FT, Asu Clfsa, Ecwid | E-Commerce Shopping Cart, Stay22 and WRAL News, according to runsonwhat's public-record scans (October 2026). The biggest industries among Cloudflare Email Security customers are education management (13%) and financial services (11%). The full list of 245 companies can be filtered by industry, company size and country on runsonwhat's Cloudflare Email Security page.
What industries use Cloudflare Email Security the most?
The industries with the most Cloudflare Email Security customers are education management (13%), financial services (11%) and software (7.9%), based on the 126 companies with a known industry.
Is Cloudflare Email Security more popular with startups or large companies?
Cloudflare Email Security is used mostly by small companies: of the 179 companies with a known size, 45% have up to 50 employees, 45% have 51 to 1,000 and 10% have more than 1,000. Compared with all companies runsonwhat tracks, Cloudflare Email Security is 1.4× as common among companies with 201–1,000 employees.
Which countries use Cloudflare Email Security the most?
Most Cloudflare Email Security customers runsonwhat has found are based in the United States (65%), Canada (8.4%) and the United Kingdom (7.9%), out of 190 companies with a known country. Outside the United States, the biggest markets are Canada and the United Kingdom.
Is Cloudflare Email Security gaining or losing customers?
In the 90 days to October 2026, 16 companies started using Cloudflare Email Security and 0 companies stopped, a net gain of 16. runsonwhat counts a start or a stop only between two checks of the same company done the same way, so a change in how a site is scanned never shows up as churn.
What are the most popular alternatives to Cloudflare Email Security?
By the number of companies using them, the most used Security & Compliance tools other than Cloudflare Email Security are reCAPTCHA (257,489), Cookiebot (62,189), Let's Encrypt (54,493) and GlobalSign (53,490), according to runsonwhat (October 2026). Not every tool in a category does the same job, so check each one's page; runsonwhat ranks all Security & Compliance tools at https://www.runsonwhat.com/tools/security-compliance.
What other tools do Cloudflare Email Security customers use?
Cloudflare Email Security customers use monday.com, Airtable and Dropbox far more often than the average company. For example, 3.7% of Cloudflare Email Security customers also run monday.com, 33× the rate among all companies runsonwhat tracks, and 5.3% run Airtable.
How does runsonwhat know a company uses Cloudflare Email Security?
runsonwhat reads public records only. For Cloudflare Email Security, that means email records (SPF, MX or DKIM) that authorize Cloudflare Email Security or Cloudflare Email Security on the company's own subprocessor list. A company is listed only when one of these direct records is present, and each match keeps the record it came from. DNS is rechecked weekly and websites about monthly.
monday.comCollaboration33×more likely
AirtableCollaboration17×more likely
DropboxCollaboration15×more likely
CursorDev Tools13×more likely
BoxCollaboration13×more likely
MiroCollaboration10×more likely
Red Sift OnDMARCSecurity & Compliance10×more likely
SlackCollaboration9.0×more likely
Amazon Trust ServicesSecurity & Compliance8.7×more likely
AtlassianDev Tools4.8×more likely
AnthropicAI4.8×more likely
Apple BusinessWorkspace3.9×more likely