# What does Csc Corptax use?

Csc Corptax (corptax.com) shows public evidence of 14 tools, according to runsonwhat (last checked 2026-11-04).

- Industry: Software
- Size: 201–1,000 employees
- Based in: Buffalo Grove, United States
- LinkedIn: https://www.linkedin.com/company/corptax

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft Azure](https://www.runsonwhat.com/reverse/azure) | Hosting & Cloud | Custom domain |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Marketo](https://www.runsonwhat.com/reverse/marketo) | Marketing | Custom domain, Email records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, DNS verification records |  |
| [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records |  |
| [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records |  |
| [Proofpoint](https://www.runsonwhat.com/reverse/proofpoint) | Security & Compliance | Email records |  |
| [Sectigo](https://www.runsonwhat.com/reverse/sectigo) | Security & Compliance | DNS records |  |
| [DigiCert](https://www.runsonwhat.com/reverse/digicert) | Security & Compliance | DNS records |  |
| [KnowBe4](https://www.runsonwhat.com/reverse/knowbe4) | Security & Compliance | DNS verification records |  |
| [Webex](https://www.runsonwhat.com/reverse/webex) | Collaboration | DNS verification records |  |
| [Have I Been Pwned](https://www.runsonwhat.com/reverse/hibp) | Security & Compliance | DNS verification records |  |
| [NetSuite](https://www.runsonwhat.com/reverse/netsuite) | Finance & Legal | Email records |  |

## Recent changes at Csc Corptax

- 2026-10-21: started using [Microsoft Azure](https://www.runsonwhat.com/reverse/azure)

## FAQ

### What tools does Csc Corptax use?

As of November 2026, runsonwhat has found 14 tools at Csc Corptax (corptax.com) in public records. Edge & Hosting: Microsoft Azure. Application: Anthropic. Go-to-market: Marketo. Company Ops: Microsoft 365, SendGrid and Let's Encrypt. Last checked November 4, 2026.

### What cloud does Csc Corptax run on?

Csc Corptax uses Microsoft Azure for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Microsoft Azure through a subdomain that points at Microsoft Azure. Microsoft Azure is used by 50,316 companies runsonwhat tracks.

### What email provider does Csc Corptax use?

Csc Corptax uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and a DNS verification record. Microsoft 365 is used by 732,657 companies runsonwhat tracks.

### What marketing software does Csc Corptax use?

Csc Corptax uses Marketo for marketing, according to runsonwhat (November 2026). runsonwhat found Marketo through a subdomain that points at Marketo and email records. Marketo is used by 9,161 companies runsonwhat tracks.

### Does Csc Corptax use SendGrid?

Yes. runsonwhat found SendGrid at Csc Corptax through email records that authorize SendGrid. SendGrid is a Email Delivery tool used by 199,922 companies runsonwhat tracks.

### Does Csc Corptax use AI tools?

Yes. runsonwhat has found Anthropic at Csc Corptax; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Csc Corptax may use more AI tools than these.

### Has Csc Corptax changed tools recently?

Yes. On runsonwhat's rechecks, Csc Corptax started using Microsoft Azure (latest on October 21, 2026). A change counts only between two checks of corptax.com done the same way.

### Which companies have a tech stack similar to Csc Corptax's?

The companies with the stacks most like Csc Corptax's are Net Health Systems, Applovin, Computers and Structures and AvidXchange, according to runsonwhat (November 2026). Each shares 3 to 5 tools with Csc Corptax, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Csc Corptax uses?

runsonwhat reads public records only. Of the 14 tools at Csc Corptax, 8 were found through DNS records, 4 through email 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 corptax.com about monthly.


---

Source: runsonwhat, https://www.runsonwhat.com/company/corptax.com (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.