# What does Vast (acquired By Vroom Jan 2021) use? Vast (acquired By Vroom Jan 2021) (vast.com) shows public evidence of 24 tools, according to runsonwhat (last checked 2026-11-09). - Industry: Internet - Size: 51–200 employees - Based in: Austin, United States - Founded: 2017 - LinkedIn: https://www.linkedin.com/company/vast-com ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [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 | | | [Fastly](https://www.runsonwhat.com/reverse/fastly) | CDN & Edge | Custom domain | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code | | | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | | [Vue.js](https://www.runsonwhat.com/reverse/vue) | Frontend | Website code | | | [Stripe](https://www.runsonwhat.com/reverse/stripe) | Payments & Billing | DNS verification records | | | [Nuxt](https://www.runsonwhat.com/reverse/nuxt) | Frontend | Website code | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code | | | [comScore](https://www.runsonwhat.com/reverse/comscore) | Analytics | Website code | | | [Mixpanel](https://www.runsonwhat.com/reverse/mixpanel) | Analytics | DNS verification records | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Custom domain | 2018-04 | | [Pardot](https://www.runsonwhat.com/reverse/pardot) | Marketing | Email records | | ## 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 | | | [reCAPTCHA](https://www.runsonwhat.com/reverse/recaptcha) | 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 | | | [OneTrust](https://www.runsonwhat.com/reverse/onetrust) | Security & Compliance | Website code | | | [Mimecast](https://www.runsonwhat.com/reverse/mimecast) | Security & Compliance | Email records | | | [KnowBe4](https://www.runsonwhat.com/reverse/knowbe4) | Security & Compliance | DNS verification records | | | [Jamf](https://www.runsonwhat.com/reverse/jamf) | Security & Compliance | DNS verification records | | | [Docker](https://www.runsonwhat.com/reverse/docker) | Dev Tools | DNS verification records | | ## FAQ ### What tools does Vast (acquired By Vroom Jan 2021) use? As of November 2026, runsonwhat has found 24 tools at Vast (acquired By Vroom Jan 2021) (vast.com) in public records. Edge & Hosting: Amazon Web Services, Amazon Route 53 and Fastly. Application: Tailwind CSS, Anthropic and Vue.js. Data & Observability: Google Analytics, comScore and Mixpanel. Go-to-market: Zendesk and Pardot. Company Ops: Microsoft 365, Google Workspace and reCAPTCHA. Last checked November 9, 2026. ### What cloud does Vast (acquired By Vroom Jan 2021) run on? Vast (acquired By Vroom Jan 2021) uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on vast.com. Amazon Web Services is used by 147,663 companies runsonwhat tracks. ### What email provider does Vast (acquired By Vroom Jan 2021) use? Vast (acquired By Vroom Jan 2021) 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 737,865 companies runsonwhat tracks. ### What does Vast (acquired By Vroom Jan 2021) use for customer support? Vast (acquired By Vroom Jan 2021) uses Zendesk for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Zendesk through a subdomain that points at Zendesk, and Vast (acquired By Vroom Jan 2021) has used it since at least April 2018. Zendesk is used by 43,837 companies runsonwhat tracks. ### What payment provider does Vast (acquired By Vroom Jan 2021) use? Vast (acquired By Vroom Jan 2021) uses Stripe for payments and billing, according to runsonwhat (November 2026). runsonwhat found Stripe through a DNS verification record for Stripe. Stripe is used by 31,512 companies runsonwhat tracks. ### What analytics tools does Vast (acquired By Vroom Jan 2021) use? Vast (acquired By Vroom Jan 2021) uses Google Analytics for analytics, alongside comScore and Mixpanel, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on vast.com. Google Analytics is used by 904,286 companies runsonwhat tracks. ### How long has Vast (acquired By Vroom Jan 2021) used Zendesk? Vast (acquired By Vroom Jan 2021) has used Zendesk since at least April 2018, going by the first public certificate of the vast.com subdomain that points at Zendesk. ### Does Vast (acquired By Vroom Jan 2021) use reCAPTCHA? Yes. runsonwhat found reCAPTCHA at Vast (acquired By Vroom Jan 2021) through reCAPTCHA code on vast.com. reCAPTCHA is a Security & Compliance tool used by 291,454 companies runsonwhat tracks. ### Does Vast (acquired By Vroom Jan 2021) use AI tools? Yes. runsonwhat has found Anthropic at Vast (acquired By Vroom Jan 2021); Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Vast (acquired By Vroom Jan 2021) may use more AI tools than these. ### Which companies have a tech stack similar to Vast (acquired By Vroom Jan 2021)'s? The companies with the stacks most like Vast (acquired By Vroom Jan 2021)'s are 우아한형제들, Prescreen.io, Sparta Commodities and Versatile, according to runsonwhat (November 2026). Each shares 7 to 9 tools with Vast (acquired By Vroom Jan 2021), and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Vast (acquired By Vroom Jan 2021) uses? runsonwhat reads public records only. Of the 24 tools at Vast (acquired By Vroom Jan 2021), 10 were found through DNS records, 8 through code on vast.com, 4 through email records and 2 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and vast.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/vast.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.