Home / Groups / Inc 5000 (2026) / Cloudflare Email Security
Cloudflare Email Security among the Inc 5000
Cloudflare Email Security was detected on 6 of 4,888 crawled Inc 5000 company websites, a share of 0.1%.
Read from each domain's MX record, and for domains behind an email gateway from its SPF record, not from the homepage.
| Group | Crawled | Running Cloudflare Email Security | Share |
|---|---|---|---|
| Inc 5000 (2026) | 4,888 | 6 | 0.1% |
| Y Combinator companies | 5,386 | 5 | 0.1% |
| Fortune 500 | 472 | n/a | n/a |
| Unicorns | 1,000 | <5 | <5 |
| SaaS companies | 8,173 | 15 | 0.2% |
| Tranco top 10,000 | 1,572 | 5 | 0.3% |
4,888 of 4,969 Inc 5000 domains returned a usable record and form the denominator. 4,814 were counted from a rendered homepage crawl on 4 September 2026, 74 from a plain fetch only, and 81 returned no usable record. Email hosting and email security are read from each domain's MX and SPF records, for the same domains. Company list: Inc 5000 2026 list. <5 means fewer than 5 crawled domains in that group.
Software used by the Inc 5000 · Email Security across all groups
Source: Installmap crawl, 4 September 2026
Badge
<a href="https://installmap.com/groups/inc5000_2026/cloudflare-email-security"><img src="https://installmap.com/badges/inc5000_2026/cloudflare-email-security.svg" alt="Cloudflare Email Security runs on 6 of 4,888 crawled Inc 5000 companies (0.1%)"></a>
[](https://installmap.com/groups/inc5000_2026/cloudflare-email-security)
Badge URL: https://installmap.com/badges/inc5000_2026/cloudflare-email-security.svg · all badges.
Cite this
Installmap, Cloudflare Email Security among the Inc 5000, crawl of 4 September 2026, https://installmap.com/groups/inc5000_2026/cloudflare-email-security.
Other Email Security tools in this group
- Proofpoint 6.8%
- Barracuda Email Protection 2.3%
- Mimecast 2.0%
- AppRiver 0.8%
- Sophos Email 0.2%
- SpamTitan 0.1%
- Trend Micro Email Security 0.1%
- Hornetsecurity 0.1%