# What does Calculation Center Practic use?

Calculation Center Practic (a-practic.ru) shows public evidence of 8 tools, according to runsonwhat (last checked 2026-10-19).

- Industry: IT Services
- Size: 51–200 employees
- Based in: Moscow, Russia
- Founded: 1999
- LinkedIn: https://www.linkedin.com/company/calculation-center-practic

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Email records |  |
| [Yandex Webmaster](https://www.runsonwhat.com/reverse/yandex) | Marketing | DNS verification records |  |
| [Intercom](https://www.runsonwhat.com/reverse/intercom) | Support & Docs | Custom domain |  |
| [eSputnik](https://www.runsonwhat.com/reverse/esputnik) | Marketing | DNS verification records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Custom domain, DNS verification records, Email records |  |
| [Mailchimp Transactional](https://www.runsonwhat.com/reverse/mandrill) | Email Delivery | Email records |  |
| [GlobalSign](https://www.runsonwhat.com/reverse/globalsign) | Security & Compliance | DNS verification records |  |
| [Yandex 360](https://www.runsonwhat.com/reverse/yandex-360) | Workspace | Email records |  |

## FAQ

### What tools does Calculation Center Practic use?

As of October 2026, runsonwhat has found 8 tools at Calculation Center Practic (a-practic.ru) in public records. Go-to-market: Mailchimp, Yandex Webmaster and Intercom. Company Ops: Microsoft 365, Mailchimp Transactional and GlobalSign. Last checked October 19, 2026.

### What email provider does Calculation Center Practic use?

Calculation Center Practic uses Microsoft 365 for email and office software, alongside Yandex 360, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a subdomain that points at Microsoft 365 and a DNS verification record. Microsoft 365 is used by 710,144 companies runsonwhat tracks.

### What does Calculation Center Practic use for customer support?

Calculation Center Practic uses Intercom for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Intercom through a subdomain that points at Intercom. Intercom is used by 8,765 companies runsonwhat tracks.

### What marketing software does Calculation Center Practic use?

Calculation Center Practic uses Mailchimp for marketing, alongside Yandex Webmaster and eSputnik, according to runsonwhat (October 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp. Mailchimp is used by 114,962 companies runsonwhat tracks.

### Does Calculation Center Practic use Mailchimp Transactional?

Yes. runsonwhat found Mailchimp Transactional at Calculation Center Practic through email records that authorize Mailchimp Transactional. Mailchimp Transactional is a Email Delivery tool used by 57,261 companies runsonwhat tracks.

### Which companies have a tech stack similar to Calculation Center Practic's?

The companies with the stacks most like Calculation Center Practic's are Ontaxi, Birmarket, Uklon and Bonjourcyber, according to runsonwhat (October 2026). Each shares 1 to 3 tools with Calculation Center Practic, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Calculation Center Practic uses?

runsonwhat reads public records only. Of the 8 tools at Calculation Center Practic, 3 were found through email records, 3 through DNS records and 2 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and a-practic.ru about monthly.


---

Source: runsonwhat, https://www.runsonwhat.com/company/a-practic.ru (updated October 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.