Calvin Klein's tech stack
What does Calvin Klein use?
Calvin Klein (calvinklein.com) uses at least 12 tools we can see from public records, including Salesforce for sales, Trustpilot for marketing, Akamai for content delivery and Let's Encrypt for security. Calvin Klein started using Salesforce Marketing Cloud in Oct 2026 and has used Akamai since Feb 2016, going by certificate records. Last checked .
- Industry
- Fashion
- Based in
- United States
- Founded
- 1968
- Tools found
- 12
- Categories
- 7
- Oldest proven tool
- Feb 2016
- Changes seen
- 1
Calvin Klein's stack, layer by layer
Of 12 tools, 4 came from DNS verification records, 3 from DNS records, 3 from custom domain and 2 from other records. Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.
Edge & Hosting
1 tool, where the bytes are served from
CDN & Edge
Go-to-market
5 tools, how they find and keep customers
Ads & Pixels
Sales & CRM
Company Ops
6 tools, what the team runs on day to day
Email Delivery
Workspace
Security & Compliance
What changed at Calvin Klein
Recent starts and stops
- StartedSalesforce Marketing Cloud
Calvin Klein tech stack 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 7, 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 and email records. Salesforce is used by 35,536 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. Microsoft 365 is used by 736,658 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 16,430 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 422,934 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.
We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.