# What does A4d - Marketing Digital use?

A4d - Marketing Digital (a4d.com.br) shows public evidence of 4 tools, according to runsonwhat (last checked 2026-11-01).

- Industry: Marketing and Advertising
- Size: 51–200 employees
- Based in: Belo Horizonte, Brazil
- LinkedIn: https://www.linkedin.com/company/a4d---advertising-for-digital

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Email records |  |
| [RD Station](https://www.runsonwhat.com/reverse/rd-station) | Marketing | Email records |  |
| [Duda](https://www.runsonwhat.com/reverse/duda) | Website & CMS | Custom domain |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Custom domain, Email records |  |

## FAQ

### What tools does A4d - Marketing Digital use?

As of November 2026, runsonwhat has found 4 tools at A4d - Marketing Digital (a4d.com.br) in public records. Go-to-market: Zendesk, RD Station and Duda. Company Ops: SendGrid. Last checked November 1, 2026.

### What does A4d - Marketing Digital use for customer support?

A4d - Marketing Digital uses Zendesk for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Zendesk through email records that authorize Zendesk. Zendesk is used by 42,888 companies runsonwhat tracks.

### What is A4d - Marketing Digital's website built with?

A4d - Marketing Digital uses Duda for its website, according to runsonwhat (November 2026). runsonwhat found Duda through a subdomain that points at Duda. Duda is used by 6,694 companies runsonwhat tracks.

### What marketing software does A4d - Marketing Digital use?

A4d - Marketing Digital uses RD Station for marketing, according to runsonwhat (November 2026). runsonwhat found RD Station through email records that authorize RD Station. RD Station is used by 8,495 companies runsonwhat tracks.

### Does A4d - Marketing Digital use SendGrid?

Yes. runsonwhat found SendGrid at A4d - Marketing Digital through a subdomain that points at SendGrid and email records. SendGrid is a Email Delivery tool used by 197,115 companies runsonwhat tracks.

### How does runsonwhat know what A4d - Marketing Digital uses?

runsonwhat reads public records only. Of the 4 tools at A4d - Marketing Digital, 2 were found through subdomains that point at the vendor, 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and a4d.com.br about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/a4d.com.br (updated November 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.