# What does Underdog Sports, Inc. use? Underdog Sports, Inc. (underdogfantasy.com) shows public evidence of 31 tools, according to runsonwhat (last checked 2026-10-27). - LinkedIn: https://www.linkedin.com/company/underdogfantasy ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS verification records, DNS records, Website code | | | [Google Cloud](https://www.runsonwhat.com/reverse/gcp) | Hosting & Cloud | Custom domain | | ## 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 | | | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | | [OpenAI](https://www.runsonwhat.com/reverse/openai) | AI | DNS verification records | | | [MongoDB Atlas](https://www.runsonwhat.com/reverse/mongodb) | Backend & Database | DNS verification records | | | [Checkout.com](https://www.runsonwhat.com/reverse/checkout-com) | Payments & Billing | DNS verification records | | ## 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 | | | [AppsFlyer](https://www.runsonwhat.com/reverse/appsflyer) | Analytics | Custom domain | | | [Optimove](https://www.runsonwhat.com/reverse/optimove) | Data Pipeline | 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 | DNS verification records, Website code | | | [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Email records | | | [Webflow](https://www.runsonwhat.com/reverse/webflow) | Website & CMS | Website code | | | [Magellan AI](https://www.runsonwhat.com/reverse/magellan-ai) | Ads & Pixels | 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 | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records | | | [Zoom](https://www.runsonwhat.com/reverse/zoom) | Collaboration | DNS verification records | | | [Postmark](https://www.runsonwhat.com/reverse/postmark) | Email Delivery | Email records | | | [Slack](https://www.runsonwhat.com/reverse/slack) | Collaboration | DNS verification records | | | [1Password](https://www.runsonwhat.com/reverse/1password) | Security & Compliance | DNS verification records | | | [Notion](https://www.runsonwhat.com/reverse/notion) | Collaboration | DNS verification records | | | [DMARC Digests](https://www.runsonwhat.com/reverse/dmarcdigests) | Security & Compliance | Email records | | | [Zapier](https://www.runsonwhat.com/reverse/zapier) | Dev Tools | DNS verification records | | | [Linear](https://www.runsonwhat.com/reverse/linear) | Dev Tools | DNS verification records | | | [LucidLink](https://www.runsonwhat.com/reverse/lucidlink) | Collaboration | DNS verification records | | ## FAQ ### What tools does Underdog Sports use? As of October 2026, runsonwhat has found 31 tools at Underdog Sports (underdogfantasy.com) in public records. Edge & Hosting: Cloudflare and Google Cloud. Application: jQuery, Google Fonts and Anthropic. Data & Observability: Google Analytics, Google Tag Manager and AppsFlyer. Go-to-market: Google Ads, Meta Pixel and Zendesk. Company Ops: Microsoft 365, Google Workspace and Apple Business. Last checked October 27, 2026. ### What cloud does Underdog Sports run on? Underdog Sports uses Google Cloud for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Google Cloud through a subdomain that points at Google Cloud. Google Cloud is used by 76,229 companies runsonwhat tracks. ### What email provider does Underdog Sports use? Underdog Sports uses Microsoft 365 for email and office software, alongside Google Workspace and Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 715,964 companies runsonwhat tracks. ### What does Underdog Sports use for customer support? Underdog Sports uses Zendesk for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Zendesk through email records that authorize Zendesk. Zendesk is used by 42,302 companies runsonwhat tracks. ### What payment provider does Underdog Sports use? Underdog Sports uses Checkout.com for payments and billing, according to runsonwhat (October 2026). runsonwhat found Checkout.com through a DNS verification record for Checkout.com. Checkout.com is used by 187 companies runsonwhat tracks. ### What analytics tools does Underdog Sports use? Underdog Sports uses Google Analytics for analytics, alongside Google Tag Manager and AppsFlyer, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on underdogfantasy.com. Google Analytics is used by 889,539 companies runsonwhat tracks. ### Does Underdog Sports use jQuery? Yes. runsonwhat found jQuery at Underdog Sports through jQuery code on underdogfantasy.com. jQuery is a Frontend tool used by 921,279 companies runsonwhat tracks. ### Does Underdog Sports use AI tools? Yes. runsonwhat has found Anthropic and OpenAI at Underdog Sports; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Underdog Sports may use more AI tools than these. ### Which companies have a tech stack similar to Underdog Sports's? The companies with the stacks most like Underdog Sports' are GetYourGuide, Moon Active, Unity Education Resources and Hitouch Business Services, according to runsonwhat (October 2026). Each shares 7 to 16 tools with Underdog Sports, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Underdog Sports uses? runsonwhat reads public records only. Of the 31 tools at Underdog Sports, 17 were found through DNS records, 8 through code on underdogfantasy.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 underdogfantasy.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/underdogfantasy.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.