# What does CertiK use? CertiK (certik.com) shows public evidence of 32 tools, according to runsonwhat (last checked 2026-10-11). - Founded: 2018 - LinkedIn: https://www.linkedin.com/company/certik ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Custom domain, Website code | | | [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Website code | | | [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records | | | [Vercel](https://www.runsonwhat.com/reverse/vercel) | Hosting & Cloud | DNS verification records, DNS records, Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code | | | [OpenAI](https://www.runsonwhat.com/reverse/openai) | AI | DNS verification records | | | [SvelteKit](https://www.runsonwhat.com/reverse/sveltekit) | Frontend | Website code | | ## 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 | | | [Microsoft Clarity](https://www.runsonwhat.com/reverse/clarity) | Analytics | Website code | | | [Vercel Analytics](https://www.runsonwhat.com/reverse/vercel-analytics) | Analytics | Website code | | | [Naver Analytics](https://www.runsonwhat.com/reverse/naver-analytics) | Analytics | Website code | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | DNS verification records, Website code | | | [X Ads](https://www.runsonwhat.com/reverse/x-ads) | Ads & Pixels | Website code | | | [MailerLite](https://www.runsonwhat.com/reverse/mailerlite) | Marketing | DNS verification records, Email records | | | [Discord](https://www.runsonwhat.com/reverse/discord) | Support & Docs | Website code | | | [Contentful](https://www.runsonwhat.com/reverse/contentful) | Website & CMS | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records, Website code | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Custom domain, Email 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 | | | [GlobalSign](https://www.runsonwhat.com/reverse/globalsign) | Security & Compliance | DNS records | | | [Mailgun](https://www.runsonwhat.com/reverse/mailgun) | Email Delivery | Custom domain | | | [Sectigo](https://www.runsonwhat.com/reverse/sectigo) | Security & Compliance | DNS records | | | [DigiCert](https://www.runsonwhat.com/reverse/digicert) | Security & Compliance | DNS records | | | [Google Trust Services](https://www.runsonwhat.com/reverse/google-trust) | Security & Compliance | DNS records | | | [Amazon Trust Services](https://www.runsonwhat.com/reverse/amazon-trust) | Security & Compliance | DNS records | | | [Slack](https://www.runsonwhat.com/reverse/slack) | Collaboration | DNS verification records | | ## FAQ ### What tools does CertiK use? As of October 2026, runsonwhat has found 32 tools at CertiK (certik.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: Tailwind CSS, OpenAI and SvelteKit. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, LinkedIn Insight Tag and HubSpot. Company Ops: Google Workspace, SendGrid and Amazon SES. Last checked October 11, 2026. ### What cloud does CertiK run on? CertiK uses Amazon Web Services for hosting and cloud infrastructure, alongside Vercel, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on certik.com. Amazon Web Services is used by 144,839 companies runsonwhat tracks. ### What CRM does CertiK use? CertiK uses HubSpot for its CRM, according to runsonwhat (October 2026). runsonwhat found HubSpot through a DNS verification record for HubSpot and code on certik.com. HubSpot is used by 92,053 companies runsonwhat tracks. ### What email provider does CertiK use? CertiK uses Google Workspace for email and office software, according to runsonwhat (October 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace and code on certik.com. Google Workspace is used by 397,537 companies runsonwhat tracks. ### What does CertiK use for customer support? CertiK uses Discord for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Discord through Discord code on certik.com. Discord is used by 4,745 companies runsonwhat tracks. ### What analytics tools does CertiK use? CertiK uses Google Analytics for analytics, alongside Google Tag Manager, Microsoft Clarity and Vercel Analytics, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on certik.com. Google Analytics is used by 852,275 companies runsonwhat tracks. ### Does CertiK use Cloudflare? Yes. runsonwhat found Cloudflare at CertiK through a subdomain that points at Cloudflare and code on certik.com. Cloudflare is a CDN & Edge tool used by 692,247 companies runsonwhat tracks. ### Does CertiK use AI tools? Yes. runsonwhat has found OpenAI at CertiK; OpenAI, for example, through a DNS verification record for OpenAI. AI services called only from servers leave no public trace, so CertiK may use more AI tools than these. ### Which companies have a tech stack similar to CertiK's? The companies with the stacks most like CertiK's are 724 Care, Logiston, Minerva Marketing and Jaid, according to runsonwhat (October 2026). Each shares 2 to 5 tools with CertiK, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what CertiK uses? runsonwhat reads public records only. Of the 32 tools at CertiK, 13 were found through code on certik.com, 13 through DNS records, 3 through subdomains that point at the vendor, 2 through email records and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and certik.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/certik.com (updated October 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.