# Companies that use Cloudflare Email Security

As of October 2026, 245 companies show public evidence of using Cloudflare Email Security (Email security (Area 1)), according to runsonwhat.

- Tool: [Cloudflare Email Security](https://cloudflare.com), category [Security & Compliance](https://www.runsonwhat.com/tools/security-compliance)
- Companies using it now: 245
- Stopped using it (seen on a same-method rescan): 0
- Started in the last 30 days: 4

## Who uses Cloudflare Email Security

Segments where Cloudflare Email Security customers are more common than among all companies we track:

- 201–1,000 employees: 1.4× more likely (27 customers)
- 51–200 employees: 1.3× more likely (53 customers)

## Cloudflare Email Security customers by industry

| Industry | Share of customers |
|---|---|
| Education Management | 13% |
| Financial Services | 11% |
| Software | 7.9% |
| IT Services | 7.1% |
| Primary/secondary Education | 7.1% |
| Internet | 4.8% |
| Political Organization | 4.8% |
| Real Estate | 4.8% |

## Cloudflare Email Security customers by company size

| Company size | Share of customers |
|---|---|
| 1–10 employees | 1.1% |
| 11–50 employees | 44% |
| 51–200 employees | 30% |
| 201–1,000 employees | 15% |
| 1,001–5,000 employees | 6.7% |
| 5,001–10,000 employees | 1.1% |
| 10,000+ employees | 2.2% |

## Cloudflare Email Security customers by country

| Country | Share of customers |
|---|---|
| United States | 65% |
| Canada | 8.4% |
| United Kingdom | 7.9% |
| Australia | 3.7% |
| United Arab Emirates | 2.6% |
| Brazil | 1.6% |
| Colombia | 1.1% |
| Germany | 1.1% |

## Alternatives to Cloudflare Email Security

| Tool | Companies |
|---|---|
| [reCAPTCHA](https://www.runsonwhat.com/reverse/recaptcha) | 238,074 |
| [Cookiebot](https://www.runsonwhat.com/reverse/cookiebot) | 58,228 |
| [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | 54,359 |
| [GlobalSign](https://www.runsonwhat.com/reverse/globalsign) | 53,343 |
| [Proofpoint](https://www.runsonwhat.com/reverse/proofpoint) | 48,229 |
| [CookieYes](https://www.runsonwhat.com/reverse/cookieyes) | 48,127 |
| [Sectigo](https://www.runsonwhat.com/reverse/sectigo) | 38,962 |
| [DigiCert](https://www.runsonwhat.com/reverse/digicert) | 35,830 |
| [Google Trust Services](https://www.runsonwhat.com/reverse/google-trust) | 34,786 |
| [Valimail](https://www.runsonwhat.com/reverse/valimail) | 32,003 |

## Cloudflare Email Security customers also use

- [monday.com](https://www.runsonwhat.com/reverse/monday): 3.9% of Cloudflare Email Security customers, 33× the average company
- [Airtable](https://www.runsonwhat.com/reverse/airtable): 5.6% of Cloudflare Email Security customers, 17× the average company
- [Dropbox](https://www.runsonwhat.com/reverse/dropbox): 5.2% of Cloudflare Email Security customers, 15× the average company
- [Cursor](https://www.runsonwhat.com/reverse/cursor): 7.3% of Cloudflare Email Security customers, 13× the average company
- [Box](https://www.runsonwhat.com/reverse/box): 5.6% of Cloudflare Email Security customers, 13× the average company
- [Miro](https://www.runsonwhat.com/reverse/miro): 10% of Cloudflare Email Security customers, 10× the average company
- [Red Sift OnDMARC](https://www.runsonwhat.com/reverse/redsift): 6.9% of Cloudflare Email Security customers, 10× the average company
- [Slack](https://www.runsonwhat.com/reverse/slack): 7.3% of Cloudflare Email Security customers, 9.0× the average company
- [Amazon Trust Services](https://www.runsonwhat.com/reverse/amazon-trust): 9.4% of Cloudflare Email Security customers, 8.7× the average company
- [Atlassian](https://www.runsonwhat.com/reverse/atlassian): 29% of Cloudflare Email Security customers, 4.8× the average company

## Companies that use Cloudflare Email Security (first 40 of 245)

| Company | Domain | Industry | Country |
|---|---|---|---|
| [FT](https://www.runsonwhat.com/company/ft.com) | ft.com |  |  |
| [Asu Clfsa](https://www.runsonwhat.com/company/asu.edu) | asu.edu | Higher Education | United States |
| [Ecwid \| E-Commerce Shopping Cart](https://www.runsonwhat.com/company/ecwid.com) | ecwid.com | Internet | United States |
| [Stay22](https://www.runsonwhat.com/company/stay22.com) | stay22.com |  |  |
| [WRAL News](https://www.runsonwhat.com/company/wral.com) | wral.com | Broadcast Media | United States |
| [Strategic Mortgage Company](https://www.runsonwhat.com/company/444loan.com) | 444loan.com | Real Estate | United States |
| [Abans Finserv](https://www.runsonwhat.com/company/abans.co.in) | abans.co.in | Financial Services | India |
| [ABCya](https://www.runsonwhat.com/company/abcya.com) | abcya.com | Video Games | United States |
| [Amp - Accelerated Mobile Power](https://www.runsonwhat.com/company/acceleratedpower.com) | acceleratedpower.com | Renewables & Environment | United States |
| [Acp International](https://www.runsonwhat.com/company/acpinternational.com) | acpinternational.com | Utilities | United States |
| [Adam Schiff For Senate](https://www.runsonwhat.com/company/adamschiff.com) | adamschiff.com | Political Organization |  |
| [American Hospital Dubai](https://www.runsonwhat.com/company/ahdubai.com) | ahdubai.com | Healthcare | United Arab Emirates |
| [Almosafer](https://www.runsonwhat.com/company/almosafer.com) | almosafer.com |  |  |
| [Al Mulla Travels & Tourism](https://www.runsonwhat.com/company/almullatravels.com) | almullatravels.com | Leisure, Travel & Tourism | United Arab Emirates |
| [Area 1 Security](https://www.runsonwhat.com/company/area1security.com) | area1security.com |  | United States |
| [AllTech](https://www.runsonwhat.com/company/askalltech.com) | askalltech.com | IT Services | United States |
| [@orchard LLC](https://www.runsonwhat.com/company/atorchard.com) | atorchard.com | Management Consulting | United States |
| [Augury](https://www.runsonwhat.com/company/augury.com) | augury.com |  | United States |
| [TalentWorld](https://www.runsonwhat.com/company/bagg.com) | bagg.com | Staffing and Recruiting | Canada |
| [Basler Electric](https://www.runsonwhat.com/company/basler.com) | basler.com |  | United States |
| [Brother Bill's Helping Hand](https://www.runsonwhat.com/company/bbhh.org) | bbhh.org | Civic & Social Organization | United States |
| [Buchanan County EMS](https://www.runsonwhat.com/company/bc-ems.com) | bc-ems.com | Healthcare | United States |
| [Ben Ray Luján For U.s. Senate](https://www.runsonwhat.com/company/benraylujan.com) | benraylujan.com | Political Organization |  |
| [Bergamo Montessori School](https://www.runsonwhat.com/company/bergamoschools.com) | bergamoschools.com |  | United States |
| [CrossCountry Mortgage](https://www.runsonwhat.com/company/bestrateusa.com) | bestrateusa.com | Financial Services | United States |
| [Beusa Energy](https://www.runsonwhat.com/company/beusaenergy.com) | beusaenergy.com | Oil & Gas | United States |
| [BidsandTenders](https://www.runsonwhat.com/company/bidsandtenders.com) | bidsandtenders.com | Software | Canada |
| [Binyan](https://www.runsonwhat.com/company/binyanstudios.com) | binyanstudios.com | Marketing and Advertising | Australia |
| [Biopixel](https://www.runsonwhat.com/company/biopixel.tv) | biopixel.tv | Media Production | Australia |
| [Black Desert Resort](https://www.runsonwhat.com/company/blackdesertresort.com) | blackdesertresort.com | Hospitality | United States |
| [The Blue Adobe Team](https://www.runsonwhat.com/company/blueadobemortgage.com) | blueadobemortgage.com | Financial Services | United States |
| [Bothell WA](https://www.runsonwhat.com/company/bothellwa.gov) | bothellwa.gov | Government Administration | United States |
| [Law Offices of Bradford & Barthel](https://www.runsonwhat.com/company/bradfordbarthel.com) | bradfordbarthel.com | Law Practice | United States |
| [Brandstock](https://www.runsonwhat.com/company/brandstock.com) | brandstock.com | Legal Services | Germany |
| [Breadcrumb Point Of Sale](https://www.runsonwhat.com/company/breadcrumb.com) | breadcrumb.com | Software |  |
| [Briggs Elementary School](https://www.runsonwhat.com/company/briggsesd.org) | briggsesd.org | Primary/secondary Education | United States |
| [Brixio](https://www.runsonwhat.com/company/brixio.io) | brixio.io |  | United Arab Emirates |
| [Brigard Urrutia](https://www.runsonwhat.com/company/bu.com.co) | bu.com.co | Law Practice | Colombia |
| [Phillip Olson](https://www.runsonwhat.com/company/callphilolson.com) | callphilolson.com | Financial Services | United States |
| [Capitol Broadcasting Company](https://www.runsonwhat.com/company/capitolbroadcasting.com) | capitolbroadcasting.com | Mass Media | United States |

The full list is on https://www.runsonwhat.com/reverse/cloudflare-email-security for signed-in users.

## FAQ

### How many companies use Cloudflare Email Security?

As of October 2026, 245 companies show public evidence of using Cloudflare Email Security across the 1,792,940 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 (263,389), Cookiebot (63,461), Let's Encrypt (54,520) and GlobalSign (53,512), 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.


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Source: runsonwhat, https://www.runsonwhat.com/reverse/cloudflare-email-security (updated October 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.