# What does Hunter Web Services, Inc. use? Hunter Web Services, Inc. (hunter.io) shows public evidence of 35 tools, according to runsonwhat (last checked 2026-11-04). - Industry: Email Marketing - Size: 11–50 employees - Based in: Wilmington, United States - Founded: 2015 - LinkedIn: https://www.linkedin.com/company/hunter-io ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Email records, Website code | | | [Vercel](https://www.runsonwhat.com/reverse/vercel) | Hosting & Cloud | DNS verification records | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code | | | [YouTube](https://www.runsonwhat.com/reverse/youtube) | 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 | | ## 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 | | | [PostHog](https://www.runsonwhat.com/reverse/posthog) | Analytics | Website code | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code | | | [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | 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 | | | [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Email records | | | [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Website code | | | [Ahrefs](https://www.runsonwhat.com/reverse/ahrefs) | Marketing | DNS verification records | | | [ChatGPT Ads](https://www.runsonwhat.com/reverse/chatgpt-ads) | Ads & Pixels | Website code | | | [Reddit Ads](https://www.runsonwhat.com/reverse/reddit-ads) | Ads & Pixels | Website code | | | [Intercom](https://www.runsonwhat.com/reverse/intercom) | Support & Docs | Custom domain, Website code | | | [Customer.io](https://www.runsonwhat.com/reverse/customerio) | Marketing | Custom domain, Email records | 2026-05 | ## 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 | | | [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 | | | [Google Trust Services](https://www.runsonwhat.com/reverse/google-trust) | Security & Compliance | DNS records | | | [Resend](https://www.runsonwhat.com/reverse/resend) | Email Delivery | Email records | | | [Postmark](https://www.runsonwhat.com/reverse/postmark) | Email Delivery | Email records | | | [1Password](https://www.runsonwhat.com/reverse/1password) | Security & Compliance | DNS verification records | | | [DMARC Digests](https://www.runsonwhat.com/reverse/dmarcdigests) | Security & Compliance | Email records | | | [HubSpot App Developer](https://www.runsonwhat.com/reverse/hubspot-developer) | Dev Tools | DNS verification records | | ## FAQ ### What tools does Hunter Web Services use? As of November 2026, runsonwhat has found 35 tools at Hunter Web Services (hunter.io) in public records. Edge & Hosting: Cloudflare and Vercel. Application: jQuery, YouTube and Anthropic. Data & Observability: Google Analytics, Google Tag Manager and Sentry. Go-to-market: Google Ads, Meta Pixel and LinkedIn Insight Tag. Company Ops: Microsoft 365, Google Workspace and Let's Encrypt. Last checked November 4, 2026. ### What cloud does Hunter Web Services run on? Hunter Web Services uses Vercel for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Vercel through a DNS verification record for Vercel. Vercel is used by 51,973 companies runsonwhat tracks. ### What CRM does Hunter Web Services use? Hunter Web Services uses HubSpot for its CRM, according to runsonwhat (November 2026). runsonwhat found HubSpot through HubSpot code on hunter.io. HubSpot is used by 96,842 companies runsonwhat tracks. ### What email provider does Hunter Web Services use? Hunter Web Services 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 724,532 companies runsonwhat tracks. ### What does Hunter Web Services use for customer support? Hunter Web Services uses Intercom for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Intercom through a subdomain that points at Intercom and code on hunter.io. Intercom is used by 9,149 companies runsonwhat tracks. ### What payment provider does Hunter Web Services use? Hunter Web Services uses Stripe for payments and billing, according to runsonwhat (November 2026). runsonwhat found Stripe through a DNS verification record for Stripe and code on hunter.io. Stripe is used by 31,101 companies runsonwhat tracks. ### How long has Hunter Web Services used Customer.io? Hunter Web Services has used Customer.io since at least May 2026, going by the first public certificate of the hunter.io subdomain that points at Customer.io. ### Does Hunter Web Services use jQuery? Yes. runsonwhat found jQuery at Hunter Web Services through jQuery code on hunter.io. jQuery is a Frontend tool used by 930,025 companies runsonwhat tracks. ### Does Hunter Web Services use AI tools? Yes. runsonwhat has found Anthropic and OpenAI at Hunter Web Services; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Hunter Web Services may use more AI tools than these. ### Which companies have a tech stack similar to Hunter Web Services's? The companies with the stacks most like Hunter Web Services' are Threefold Group, Mos - Scholarships & Financial Aid, Howz and Email on Acid, according to runsonwhat (November 2026). Each shares 8 to 10 tools with Hunter Web Services, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Hunter Web Services uses? runsonwhat reads public records only. Of the 35 tools at Hunter Web Services, 14 were found through DNS records, 13 through code on hunter.io, 5 through email records, 2 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 hunter.io about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/hunter.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.