3 Denmark's tech stack
What does 3 Denmark use?
3 Denmark (3.dk) uses at least 36 tools we can see from public records, including Microsoft Azure for hosting, Microsoft 365 for email and documents, Apollo.io for sales and Zendesk for customer support. Last checked .
- Industry
- Telecommunications
- Size
- 201–1,000 employees
- Based in
- Copenhagen, Denmark
- Founded
- 2003
- Company page
- Tools found
- 36
- Categories
- 17
- Layers
- 5 of 5
- Last checked
- Oct 2026
3 Denmark'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
Hosting & Cloud
Application
6 tools, what the product is built with
Frontend
Search
Data & Observability
6 tools, what they measure and store
Monitoring
Flags & Experiments
Go-to-market
15 tools, how they find and keep customers
Website & CMS
Marketing
Ads & Pixels
Sales & CRM
Support & Docs
Company Ops
8 tools, what the team runs on day to day
Email Delivery
Workspace
Dev Tools
People & HR
Security & Compliance
3 Denmark tech stack FAQ
What tools does 3 Denmark use?
We've found 36 tools at 3 Denmark (3.dk). Edge & Hosting: Microsoft Azure. Application: Google Fonts, React and Tailwind CSS. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Microsoft 365, Apple Business and Atlassian. Last checked October 4, 2026.
What cloud does 3 Denmark run on?
3 Denmark uses Microsoft Azure for hosting. We found Microsoft Azure through custom domain and website code.
What CRM does 3 Denmark use?
3 Denmark uses Apollo.io for sales and CRM. We found Apollo.io through website code.
What email provider does 3 Denmark use?
3 Denmark uses Microsoft 365 and Apple Business for email and documents. We found Microsoft 365 through email records, DNS verification records and website code.
What does 3 Denmark use for customer support?
3 Denmark uses Zendesk and Genesys Cloud for customer support. We found Zendesk through email records and website code.
What analytics tools does 3 Denmark use?
3 Denmark uses Google Analytics, Google Tag Manager and Microsoft Clarity for analytics, among 4 tools in this category. We found Google Analytics through website code.
Does 3 Denmark use Microsoft 365?
Yes. We found Microsoft 365 at 3 Denmark through email records, DNS verification records and website code. Microsoft 365 is used by 685,702 companies we track.
How does runsonwhat know what 3 Denmark uses?
We read public traces only: 3 Denmark'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.