Level 3 Communications's tech stack
What does Level 3 Communications use?
Level 3 Communications (level3.com) uses at least 7 tools we can see from public records, including Microsoft 365 for email and documents, Fastly for content delivery and Proofpoint for security. Last checked .
- Industry
- Telecommunications
- Based in
- Germany
- Founded
- 1985
- Tools found
- 7
- Categories
- 5
- Layers
- 4 of 5
- Last checked
- Oct 2026
Level 3 Communications'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
1 tool, where the bytes are served from
CDN & Edge
Application
1 tool, what the product is built with
Go-to-market
1 tool, how they find and keep customers
Marketing
Company Ops
4 tools, what the team runs on day to day
Security & Compliance
Level 3 Communications tech stack FAQ
What tools does Level 3 Communications use?
We've found 7 tools at Level 3 Communications (level3.com). Edge & Hosting: Fastly. Company Ops: Microsoft 365, Google Workspace and Proofpoint. Last checked October 2, 2026.
What email provider does Level 3 Communications use?
Level 3 Communications uses Microsoft 365 and Google Workspace for email and documents. We found Microsoft 365 through DNS verification records.
Does Level 3 Communications use Microsoft 365?
Yes. We found Microsoft 365 at Level 3 Communications through DNS verification records. Microsoft 365 is used by 682,787 companies we track.
How does runsonwhat know what Level 3 Communications uses?
We read public traces only: Level 3 Communications's DNS and email records, certificate logs, the code its website loads, and published subprocessor lists. A tool is listed only when a direct record backs it up. DNS is rechecked weekly and the website 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.