# What does DomainTools use? DomainTools (domaintools.com) shows public evidence of 38 tools, according to runsonwhat (last checked 2026-10-09). - Industry: Computer & Network Security - Size: 51–200 employees - Based in: Seattle, United States - Founded: 2002 - LinkedIn: https://www.linkedin.com/company/domaintools ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code | | | [NS1](https://www.runsonwhat.com/reverse/ns1) | DNS | DNS records | | | [Bunny.net](https://www.runsonwhat.com/reverse/bunny) | CDN & Edge | Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code | | | [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | Media & UI | Website code | | | [GSAP](https://www.runsonwhat.com/reverse/gsap) | Media & UI | Website code | | | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | | [Okta](https://www.runsonwhat.com/reverse/okta) | Auth & Identity | Custom domain | 2021-09 | | [Rive](https://www.runsonwhat.com/reverse/rive) | Media & UI | 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 | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code | | | [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Email records, Website code | | | [Webflow](https://www.runsonwhat.com/reverse/webflow) | Website & CMS | Custom domain, Website code | | | [Salesforce](https://www.runsonwhat.com/reverse/salesforce) | Sales & CRM | Email records, Website code | | | [ZoomInfo](https://www.runsonwhat.com/reverse/zoominfo) | Sales & CRM | Website code | | | [Marketo](https://www.runsonwhat.com/reverse/marketo) | Marketing | Custom domain, Email records, Website code | 2016-08 | | [6sense](https://www.runsonwhat.com/reverse/sixsense) | Sales & CRM | Website code | | | [PartnerStack](https://www.runsonwhat.com/reverse/partnerstack) | Marketing | Website code | | | [TechTarget](https://www.runsonwhat.com/reverse/techtarget) | 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 | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records | | | [CookieYes](https://www.runsonwhat.com/reverse/cookieyes) | Security & Compliance | Website code | | | [Cloudflare Turnstile](https://www.runsonwhat.com/reverse/turnstile) | Security & Compliance | Website code | | | [accessiBe](https://www.runsonwhat.com/reverse/accessibe) | Security & Compliance | Website code | | | [Miro](https://www.runsonwhat.com/reverse/miro) | Collaboration | DNS verification records | | | [Smartsheet](https://www.runsonwhat.com/reverse/smartsheet) | Collaboration | DNS verification records | | | [Jamf](https://www.runsonwhat.com/reverse/jamf) | Security & Compliance | DNS verification records | | | [GoTo](https://www.runsonwhat.com/reverse/goto) | Collaboration | DNS verification records | | | [DMARC Digests](https://www.runsonwhat.com/reverse/dmarcdigests) | Security & Compliance | Email records | | | [Vanta](https://www.runsonwhat.com/reverse/vanta) | Security & Compliance | Custom domain | 2024-11 | | [NetSuite](https://www.runsonwhat.com/reverse/netsuite) | Finance & Legal | Email records | | ## FAQ ### What tools does DomainTools use? As of October 2026, runsonwhat has found 38 tools at DomainTools (domaintools.com) in public records. Edge & Hosting: Cloudflare, NS1 and Bunny.net. Application: jQuery, Vimeo and GSAP. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Microsoft Ads and LinkedIn Insight Tag. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 9, 2026. ### What CRM does DomainTools use? DomainTools uses Salesforce for its CRM, alongside ZoomInfo, 6sense and TechTarget, according to runsonwhat (October 2026). runsonwhat found Salesforce through email records that authorize Salesforce and code on domaintools.com. Salesforce is used by 33,478 companies runsonwhat tracks. ### What email provider does DomainTools use? DomainTools uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 701,702 companies runsonwhat tracks. ### What does DomainTools use for customer support? DomainTools uses Zendesk for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Zendesk through email records that authorize Zendesk and code on domaintools.com. Zendesk is used by 40,922 companies runsonwhat tracks. ### What analytics tools does DomainTools use? DomainTools uses Google Analytics for analytics, alongside Google Tag Manager and Microsoft Clarity, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on domaintools.com. Google Analytics is used by 852,516 companies runsonwhat tracks. ### What is DomainTools's website built with? DomainTools uses Webflow for its website, according to runsonwhat (October 2026). runsonwhat found Webflow through a subdomain that points at Webflow and code on domaintools.com. Webflow is used by 34,289 companies runsonwhat tracks. ### How long has DomainTools used Marketo? DomainTools has used Marketo since at least August 2016, going by the first public certificate of the domaintools.com subdomain that points at Marketo. Other long-running tools at DomainTools include Okta (since September 2021) and Vanta (since November 2024). ### Does DomainTools use jQuery? Yes. runsonwhat found jQuery at DomainTools through jQuery code on domaintools.com. jQuery is a Frontend tool used by 897,103 companies runsonwhat tracks. ### Does DomainTools use AI tools? Yes. runsonwhat has found Anthropic at DomainTools; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so DomainTools may use more AI tools than these. ### Which companies have a tech stack similar to DomainTools's? The companies with the stacks most like DomainTools' are Deepgram, RingCentral, Auvik Networks and Druva, according to runsonwhat (October 2026). Each shares 16 to 19 tools with DomainTools, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what DomainTools uses? runsonwhat reads public records only. Of the 38 tools at DomainTools, 19 were found through code on domaintools.com, 8 through DNS records, 6 through email records, 4 through subdomains that point at the vendor and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and domaintools.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/domaintools.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.