# What does Knock Knock use? Knock Knock (knockknockstuff.com) shows public evidence of 16 tools, according to runsonwhat (last checked 2026-11-01). - Industry: Stationery - Size: 11–50 employees - Based in: Los Angeles, United States - Founded: 2002 - LinkedIn: https://www.linkedin.com/company/knock-knock ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code | | | [Microsoft Azure](https://www.runsonwhat.com/reverse/azure) | Hosting & Cloud | DNS records, Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code | | | [Google Maps](https://www.runsonwhat.com/reverse/google-maps) | Media & UI | Website code | | | [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code | | | [Bugsnag](https://www.runsonwhat.com/reverse/bugsnag) | Monitoring | Website code | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code | | | [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | DNS verification records, Website code | | | [Shopify](https://www.runsonwhat.com/reverse/shopify) | Website & CMS | Custom domain, DNS records, Website code | | | [Klaviyo](https://www.runsonwhat.com/reverse/klaviyo) | Marketing | DNS verification records, Website code | | ## 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 | | | [Mimecast](https://www.runsonwhat.com/reverse/mimecast) | Security & Compliance | Email records | | ## Recent changes at Knock Knock - 2026-10-10: started using [Google Search Console](https://www.runsonwhat.com/reverse/gsc) - 2026-10-10: started using [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) - 2026-10-10: started using [Mimecast](https://www.runsonwhat.com/reverse/mimecast) - 2026-10-10: started using [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) ## FAQ ### What tools does Knock Knock use? As of November 2026, runsonwhat has found 16 tools at Knock Knock (knockknockstuff.com) in public records. Edge & Hosting: Cloudflare and Microsoft Azure. Application: Google Fonts, Google Maps and React. Data & Observability: Google Analytics and Bugsnag. Go-to-market: Google Ads, Meta Pixel and Shopify. Company Ops: Microsoft 365, SendGrid and Mimecast. Last checked November 1, 2026. ### What cloud does Knock Knock run on? Knock Knock uses Microsoft Azure for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Microsoft Azure through DNS records that point at Microsoft Azure and code on knockknockstuff.com. Microsoft Azure is used by 48,579 companies runsonwhat tracks. ### What email provider does Knock Knock use? Knock Knock 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 719,883 companies runsonwhat tracks. ### What analytics tools does Knock Knock use? Knock Knock uses Google Analytics for analytics, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on knockknockstuff.com. Google Analytics is used by 906,325 companies runsonwhat tracks. ### What is Knock Knock's website built with? Knock Knock uses Shopify for its website, according to runsonwhat (November 2026). runsonwhat found Shopify through a subdomain that points at Shopify and DNS records. Shopify is used by 60,781 companies runsonwhat tracks. ### What marketing software does Knock Knock use? Knock Knock uses Klaviyo for marketing, according to runsonwhat (November 2026). runsonwhat found Klaviyo through a DNS verification record for Klaviyo and code on knockknockstuff.com. Klaviyo is used by 35,953 companies runsonwhat tracks. ### Does Knock Knock use Google Fonts? Yes. runsonwhat found Google Fonts at Knock Knock through Google Fonts code on knockknockstuff.com. Google Fonts is a Media & UI tool used by 825,904 companies runsonwhat tracks. ### Has Knock Knock changed tools recently? Yes. On runsonwhat's rechecks, Knock Knock started using Google Search Console, Microsoft 365 and Mimecast (latest on October 10, 2026). A change counts only between two checks of knockknockstuff.com done the same way. ### How does runsonwhat know what Knock Knock uses? runsonwhat reads public records only. Of the 16 tools at Knock Knock, 7 were found through code on knockknockstuff.com, 5 through DNS records, 2 through email records, 1 through website configuration files and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and knockknockstuff.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/knockknockstuff.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.