21CS's tech stack
What does 21CS use?
21CS (estorian.com) uses at least 7 tools we can see from public records, including Microsoft 365 for email and documents, HubSpot CMS for its website and Cloudflare for content delivery. Last checked .
- Industry
- Software
- Size
- 11–50 employees
- Based in
- Morehead City, United States
- Founded
- 2003
- Company page
- Tools found
- 7
- Categories
- 6
- Layers
- 4 of 5
- Last checked
- Oct 2026
21CS's stack, layer by layer
Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.
Edge & Hosting
2 tools, where the bytes are served from
CDN & Edge
Application
2 tools, what the product is built with
Media & UI
Go-to-market
2 tools, how they find and keep customers
Website & CMS
Ads & Pixels
Company Ops
1 tool, what the team runs on day to day
Workspace
21CS tech stack FAQ
What tools does 21CS use?
As of November 2026, runsonwhat has found 7 tools at 21CS (estorian.com) in public records. Edge & Hosting: Cloudflare and Amazon Route 53. Application: Google Fonts and Font Awesome. Go-to-market: LinkedIn Insight Tag and HubSpot CMS. Company Ops: Microsoft 365. Last checked October 29, 2026.
What email provider does 21CS use?
21CS uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365. Microsoft 365 is used by 719,687 companies runsonwhat tracks.
What is 21CS's website built with?
21CS uses HubSpot CMS for its website, according to runsonwhat (November 2026). runsonwhat found HubSpot CMS through HubSpot CMS code on estorian.com. HubSpot CMS is used by 33,664 companies runsonwhat tracks.
Does 21CS use Google Fonts?
Yes. runsonwhat found Google Fonts at 21CS through Google Fonts code on estorian.com. Google Fonts is a Media & UI tool used by 825,870 companies runsonwhat tracks.
How does runsonwhat know what 21CS uses?
runsonwhat reads public records only. Of the 7 tools at 21CS, 5 were found through code on estorian.com, 1 through email records and 1 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and estorian.com about monthly.
We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.