# What does Calvin Klein use?

Calvin Klein (calvinklein.com) shows public evidence of 12 tools, according to runsonwhat (last checked 2026-11-14).

- Industry: Fashion
- Based in: United States
- Founded: 1968

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Akamai](https://www.runsonwhat.com/reverse/akamai) | CDN & Edge | Custom domain | 2016-02 |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | DNS verification records |  |
| [Salesforce](https://www.runsonwhat.com/reverse/salesforce) | Sales & CRM | Custom domain |  |
| [Trustpilot](https://www.runsonwhat.com/reverse/trustpilot) | Marketing | DNS verification records |  |
| [Salesforce Marketing Cloud](https://www.runsonwhat.com/reverse/sfmc) | Marketing | Custom domain |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email 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 |  |
| [DigiCert](https://www.runsonwhat.com/reverse/digicert) | Security & Compliance | DNS records |  |
| [Amazon Trust Services](https://www.runsonwhat.com/reverse/amazon-trust) | Security & Compliance | DNS records |  |

## Recent changes at Calvin Klein

- 2026-10-16: started using [Salesforce Marketing Cloud](https://www.runsonwhat.com/reverse/sfmc)

## FAQ

### What tools does Calvin Klein use?

As of November 2026, runsonwhat has found 12 tools at Calvin Klein (calvinklein.com) in public records. Edge & Hosting: Akamai. Go-to-market: Meta Pixel, Salesforce and Trustpilot. Company Ops: Microsoft 365, SendGrid and Let's Encrypt. Last checked November 14, 2026.

### What CRM does Calvin Klein use?

Calvin Klein uses Salesforce for its CRM, according to runsonwhat (November 2026). runsonwhat found Salesforce through a subdomain that points at Salesforce. Salesforce is used by 35,594 companies runsonwhat tracks.

### What email provider does Calvin Klein use?

Calvin Klein uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 737,892 companies runsonwhat tracks.

### What marketing software does Calvin Klein use?

Calvin Klein uses Trustpilot for marketing, alongside Salesforce Marketing Cloud, according to runsonwhat (November 2026). runsonwhat found Trustpilot through a DNS verification record for Trustpilot. Trustpilot is used by 16,440 companies runsonwhat tracks.

### How long has Calvin Klein used Akamai?

Calvin Klein has used Akamai since at least February 2016, going by the first public certificate of the calvinklein.com subdomain that points at Akamai.

### Does Calvin Klein use Meta Pixel?

Yes. runsonwhat found Meta Pixel at Calvin Klein through a DNS verification record for Meta Pixel. Meta Pixel is a Ads & Pixels tool used by 423,473 companies runsonwhat tracks.

### Has Calvin Klein changed tools recently?

Yes. On runsonwhat's rechecks, Calvin Klein started using Salesforce Marketing Cloud (latest on October 16, 2026). A change counts only between two checks of calvinklein.com done the same way.

### How does runsonwhat know what Calvin Klein uses?

runsonwhat reads public records only. Of the 12 tools at Calvin Klein, 7 were found through DNS records, 3 through subdomains that point at the vendor and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and calvinklein.com about monthly.


---

Source: runsonwhat, https://www.runsonwhat.com/company/calvinklein.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.