IONOS: Hosting, domains and email (1&1). We've found 3,719 companies using IONOS, most often in IT Services (17%) and Healthcare (9%), typically with 51–200 employees and 39% based in Germany.
Customers3,719companies use it
Most popular withMedical Technology5.5× more likely than average
We've found 3,719 companies using IONOS among the 179,508 we've scanned so far. We only count a company when a direct public record backs it up.
What kind of companies use IONOS?
IONOS customers are most often in IT Services (17%), Healthcare (9%) and Management Consulting (7%). The most common company size is 51–200 employees (56% of customers with a known size).
Which countries use IONOS the most?
Most IONOS customers we've found are in Germany (39%), United States (17%) and United Kingdom (12%).
What are the alternatives to IONOS?
The most used alternatives in the same category are Microsoft Azure (16,595 companies), Vercel (16,460 companies), Google Cloud (15,512 companies) and Amazon Web Services (12,250 companies).
How does runsonwhat know a company uses IONOS?
We read public traces only. For IONOS that means the company's email records (SPF, MX, DKIM) and the company's published subprocessor list. Every match keeps the record it came from.