# What does Qustodio use? Qustodio (qustodio.com) shows public evidence of 45 tools, according to runsonwhat (last checked 2026-11-10). - Industry: Computer & Network Security - Size: 51–200 employees - Based in: Barcelona, Spain - Founded: 2012 - LinkedIn: https://www.linkedin.com/company/qustodio ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code | | | [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Custom domain, Website code | | | [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records | | | [Amazon CloudFront](https://www.runsonwhat.com/reverse/cloudfront) | CDN & Edge | Custom domain, Website code | 2021-04 | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code | | | [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code | | | [Font Awesome](https://www.runsonwhat.com/reverse/fontawesome) | Media & UI | Website code | | | [GSAP](https://www.runsonwhat.com/reverse/gsap) | Media & UI | Website code | | | [OpenAI](https://www.runsonwhat.com/reverse/openai) | AI | DNS verification records | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code | | | [Google Tag Manager](https://www.runsonwhat.com/reverse/gtm) | Analytics | Website code | | | [Sentry](https://www.runsonwhat.com/reverse/sentry) | Monitoring | Website code | | | [Hotjar](https://www.runsonwhat.com/reverse/hotjar) | Analytics | Website code | | | [Pingdom](https://www.runsonwhat.com/reverse/pingdom) | Monitoring | Custom domain | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [WordPress](https://www.runsonwhat.com/reverse/wordpress) | Website & CMS | Website code | | | [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 | | | [Yoast SEO](https://www.runsonwhat.com/reverse/yoast) | Website & CMS | Website code | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code | | | [TikTok Pixel](https://www.runsonwhat.com/reverse/tiktok-pixel) | Ads & Pixels | Website code | | | [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Custom domain, Email records, Website code | 2020-02 | | [X Ads](https://www.runsonwhat.com/reverse/x-ads) | Ads & Pixels | Website code | | | [ChatGPT Ads](https://www.runsonwhat.com/reverse/chatgpt-ads) | Ads & Pixels | Website code | | | [ActiveCampaign](https://www.runsonwhat.com/reverse/activecampaign) | Marketing | Email records, Website code | | | [Reddit Ads](https://www.runsonwhat.com/reverse/reddit-ads) | Ads & Pixels | Website code | | | [Awin](https://www.runsonwhat.com/reverse/awin) | Ads & Pixels | Website code | | | [Quora Ads](https://www.runsonwhat.com/reverse/quora-ads) | Ads & Pixels | Website code | | | [impact.com](https://www.runsonwhat.com/reverse/impact-com) | Marketing | Website code | | | [Extole](https://www.runsonwhat.com/reverse/extole) | Marketing | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records | | | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records, Website code | | | [reCAPTCHA](https://www.runsonwhat.com/reverse/recaptcha) | Security & Compliance | Website code | | | [Cookiebot](https://www.runsonwhat.com/reverse/cookiebot) | Security & Compliance | Website code | | | [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records | | | [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | Email records, Website code | | | [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records | | | [Sectigo](https://www.runsonwhat.com/reverse/sectigo) | Security & Compliance | DNS 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 | | | [Cursor](https://www.runsonwhat.com/reverse/cursor) | Dev Tools | DNS verification records | | | [Box](https://www.runsonwhat.com/reverse/box) | Collaboration | DNS verification records | | | [Rippling](https://www.runsonwhat.com/reverse/rippling) | People & HR | DNS verification records | | | [Zapier](https://www.runsonwhat.com/reverse/zapier) | Dev Tools | DNS verification records | | ## Recent changes at Qustodio - 2026-11-02: started using again [Atlassian](https://www.runsonwhat.com/reverse/atlassian) - 2026-11-02: started using again [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) - 2026-11-02: started using again [Cursor](https://www.runsonwhat.com/reverse/cursor) - 2026-11-02: started using again [OpenAI](https://www.runsonwhat.com/reverse/openai) - 2026-11-02: started using again [Box](https://www.runsonwhat.com/reverse/box) - 2026-11-02: started using again [Rippling](https://www.runsonwhat.com/reverse/rippling) - 2026-11-02: started using again [Google Search Console](https://www.runsonwhat.com/reverse/gsc) - 2026-11-02: started using again [Zapier](https://www.runsonwhat.com/reverse/zapier) - 2026-10-30: stopped using [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) - 2026-10-30: stopped using [Box](https://www.runsonwhat.com/reverse/box) - 2026-10-30: stopped using [Cursor](https://www.runsonwhat.com/reverse/cursor) - 2026-10-30: stopped using [Google Search Console](https://www.runsonwhat.com/reverse/gsc) ## FAQ ### What tools does Qustodio use? As of November 2026, runsonwhat has found 45 tools at Qustodio (qustodio.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Analytics, Google Tag Manager and Sentry. Go-to-market: WordPress, Google Ads and Meta Pixel. Company Ops: Microsoft 365, Google Workspace and reCAPTCHA. Last checked November 10, 2026. ### What cloud does Qustodio run on? Qustodio uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Amazon Web Services through a subdomain that points at Amazon Web Services and code on qustodio.com. Amazon Web Services is used by 147,481 companies runsonwhat tracks. ### What email provider does Qustodio use? Qustodio uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 734,171 companies runsonwhat tracks. ### What does Qustodio use for customer support? Qustodio uses Zendesk for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Zendesk through a subdomain that points at Zendesk and email records, and Qustodio has used it since at least February 2020. Zendesk is used by 43,652 companies runsonwhat tracks. ### What analytics tools does Qustodio use? Qustodio uses Google Analytics for analytics, alongside Google Tag Manager and Hotjar, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on qustodio.com. Google Analytics is used by 903,921 companies runsonwhat tracks. ### What is Qustodio's website built with? Qustodio uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (November 2026). runsonwhat found WordPress through WordPress code on qustodio.com. WordPress is used by 606,802 companies runsonwhat tracks. ### How long has Qustodio used Zendesk? Qustodio has used Zendesk since at least February 2020, going by the first public certificate of the qustodio.com subdomain that points at Zendesk. Other long-running tools at Qustodio include Amazon CloudFront (since April 2021). ### Does Qustodio use jQuery? Yes. runsonwhat found jQuery at Qustodio through jQuery code on qustodio.com. jQuery is a Frontend tool used by 927,218 companies runsonwhat tracks. ### Does Qustodio use AI tools? Yes. runsonwhat has found OpenAI at Qustodio; OpenAI, for example, through a DNS verification record for OpenAI. AI services called only from servers leave no public trace, so Qustodio may use more AI tools than these. ### Has Qustodio changed tools recently? Yes. On runsonwhat's rechecks, Qustodio started using Atlassian, Microsoft 365 and Cursor (latest on November 2, 2026) and stopped using Microsoft 365, Box and Cursor (latest on October 30, 2026). A change counts only between two checks of qustodio.com done the same way. ### Which companies have a tech stack similar to Qustodio's? The companies with the stacks most like Qustodio's are The Company Store, MIDLAND, Sam Edelman and Endy, according to runsonwhat (November 2026). Each shares 11 to 17 tools with Qustodio, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Qustodio uses? runsonwhat reads public records only. Of the 45 tools at Qustodio, 24 were found through code on qustodio.com, 14 through DNS records, 4 through subdomains that point at the vendor and 3 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and qustodio.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/qustodio.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.