# What does GreyNoise Intelligence use? GreyNoise Intelligence (greynoise.io) shows public evidence of 44 tools, according to runsonwhat (last checked 2026-10-30). - Industry: Computer Security - Size: 11–50 employees - Based in: Washington, United States - Founded: 2017 - LinkedIn: https://www.linkedin.com/company/greynoise ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS verification records, 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 | | ## 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 | | | [GSAP](https://www.runsonwhat.com/reverse/gsap) | Media & UI | Website code | | | [Adobe Fonts](https://www.runsonwhat.com/reverse/adobe-fonts) | Media & UI | Website code | | | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | | [OpenAI](https://www.runsonwhat.com/reverse/openai) | AI | DNS verification records | | | [Stripe](https://www.runsonwhat.com/reverse/stripe) | Payments & Billing | DNS verification records, Website code | | | [ShareThis](https://www.runsonwhat.com/reverse/sharethis) | Media & UI | Website code | | | [Auth0](https://www.runsonwhat.com/reverse/auth0) | Auth & Identity | Custom domain, Website config | | ## 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 | | | [Crazy Egg](https://www.runsonwhat.com/reverse/crazyegg) | Analytics | Website code | | | [Atlassian Statuspage](https://www.runsonwhat.com/reverse/statuspage) | Monitoring | DNS verification records, Email records, Website code | | | [Pendo](https://www.runsonwhat.com/reverse/pendo) | Analytics | DNS verification records | | | [incident.io](https://www.runsonwhat.com/reverse/incidentio) | Monitoring | Custom domain | | ## 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 | Custom domain, Email records, Website code | 2024-01 | | [Webflow](https://www.runsonwhat.com/reverse/webflow) | Website & CMS | Custom domain, Website code | | | [HubSpot CMS](https://www.runsonwhat.com/reverse/hubspot-cms) | Website & CMS | Custom domain | 2024-01 | | [X Ads](https://www.runsonwhat.com/reverse/x-ads) | Ads & Pixels | Website code | | | [Reddit Ads](https://www.runsonwhat.com/reverse/reddit-ads) | Ads & Pixels | Website code | | | [Discord](https://www.runsonwhat.com/reverse/discord) | Support & Docs | Website code | | | [ReadMe](https://www.runsonwhat.com/reverse/readme) | Support & Docs | Custom domain | | | [Vector](https://www.runsonwhat.com/reverse/vector) | Sales & CRM | Website code | | | [Salesloft](https://www.runsonwhat.com/reverse/salesloft) | Sales & CRM | Website code | | | [Common Room](https://www.runsonwhat.com/reverse/commonroom) | Sales & CRM | Website code | | | [Koala](https://www.runsonwhat.com/reverse/koala) | Sales & CRM | 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 | | | [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | Email records, Website code | | | [Zoom](https://www.runsonwhat.com/reverse/zoom) | Collaboration | DNS verification records | | | [Canva](https://www.runsonwhat.com/reverse/canva) | Collaboration | DNS verification records | | | [Cursor](https://www.runsonwhat.com/reverse/cursor) | Dev Tools | DNS verification records | | | [Postman](https://www.runsonwhat.com/reverse/postman) | Dev Tools | DNS verification records | | | [Zapier](https://www.runsonwhat.com/reverse/zapier) | Dev Tools | DNS verification records | | | [Uber for Business](https://www.runsonwhat.com/reverse/uber) | Finance & Legal | DNS verification records | | | [Amp](https://www.runsonwhat.com/reverse/amp) | Dev Tools | DNS verification records | | | [Linear](https://www.runsonwhat.com/reverse/linear) | Dev Tools | DNS verification records | | | [Censys](https://www.runsonwhat.com/reverse/censys) | Security & Compliance | DNS verification records | | ## FAQ ### What tools does GreyNoise Intelligence use? As of November 2026, runsonwhat has found 44 tools at GreyNoise Intelligence (greynoise.io) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: jQuery, Google Fonts and GSAP. Data & Observability: Google Analytics, Google Tag Manager and Crazy Egg. Go-to-market: Google Ads, LinkedIn Insight Tag and HubSpot. Company Ops: Microsoft 365, Google Workspace and Amazon SES. Last checked October 30, 2026. ### What cloud does GreyNoise Intelligence run on? GreyNoise Intelligence 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 greynoise.io. Amazon Web Services is used by 146,671 companies runsonwhat tracks. ### What CRM does GreyNoise Intelligence use? GreyNoise Intelligence uses HubSpot for its CRM, alongside Vector, Salesloft and Common Room, according to runsonwhat (November 2026). runsonwhat found HubSpot through a subdomain that points at HubSpot and email records, and GreyNoise Intelligence has used it since at least January 2024. HubSpot is used by 96,187 companies runsonwhat tracks. ### What email provider does GreyNoise Intelligence use? GreyNoise Intelligence 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 719,198 companies runsonwhat tracks. ### What does GreyNoise Intelligence use for customer support? GreyNoise Intelligence uses Discord for customer support and documentation, alongside ReadMe, according to runsonwhat (November 2026). runsonwhat found Discord through Discord code on greynoise.io. Discord is used by 7,029 companies runsonwhat tracks. ### What payment provider does GreyNoise Intelligence use? GreyNoise Intelligence uses Stripe for payments and billing, according to runsonwhat (November 2026). runsonwhat found Stripe through a DNS verification record for Stripe and code on greynoise.io. Stripe is used by 30,906 companies runsonwhat tracks. ### How long has GreyNoise Intelligence used HubSpot? GreyNoise Intelligence has used HubSpot since at least January 2024, going by the first public certificate of the greynoise.io subdomain that points at HubSpot. Other long-running tools at GreyNoise Intelligence include HubSpot CMS (since January 2024). ### Does GreyNoise Intelligence use jQuery? Yes. runsonwhat found jQuery at GreyNoise Intelligence through jQuery code on greynoise.io. jQuery is a Frontend tool used by 930,355 companies runsonwhat tracks. ### Does GreyNoise Intelligence use AI tools? Yes. runsonwhat has found Anthropic and OpenAI at GreyNoise Intelligence; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so GreyNoise Intelligence may use more AI tools than these. ### Which companies have a tech stack similar to GreyNoise Intelligence's? The companies with the stacks most like GreyNoise Intelligence's are Protopie, Datadog, Metriport and Cloudnuro, according to runsonwhat (November 2026). Each shares 15 to 22 tools with GreyNoise Intelligence, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what GreyNoise Intelligence uses? runsonwhat reads public records only. Of the 44 tools at GreyNoise Intelligence, 18 were found through code on greynoise.io, 18 through DNS records, 6 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 greynoise.io about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/greynoise.io (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.