# What does Celestron use? Celestron (celestron.com) shows public evidence of 23 tools, according to runsonwhat (last checked 2026-10-09). - Based in: United States - Founded: 1960 ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code | | | [GoDaddy](https://www.runsonwhat.com/reverse/godaddy) | DNS | DNS records, Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code | | | [Font Awesome](https://www.runsonwhat.com/reverse/fontawesome) | Media & UI | Website code | | | [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code | | | [Adobe Fonts](https://www.runsonwhat.com/reverse/adobe-fonts) | Media & UI | Website code | | | [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code | | | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | | [PayPal](https://www.runsonwhat.com/reverse/paypal) | Payments & Billing | Website code | | | [Lottie](https://www.runsonwhat.com/reverse/lottie) | Media & UI | Website code | | | [imgix](https://www.runsonwhat.com/reverse/imgix) | Media & UI | Website code | | | [Searchanise](https://www.runsonwhat.com/reverse/searchanise) | Search | Website code | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Sentry](https://www.runsonwhat.com/reverse/sentry) | Monitoring | Website code | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code | | | [Shopify](https://www.runsonwhat.com/reverse/shopify) | Website & CMS | Custom domain, DNS records, Website code | | | [Klaviyo](https://www.runsonwhat.com/reverse/klaviyo) | Marketing | DNS verification records, Website code | | | [Swym](https://www.runsonwhat.com/reverse/swym) | Marketing | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records, Website code | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records, Website code | | | [NoFraud](https://www.runsonwhat.com/reverse/nofraud) | Security & Compliance | Website code | | | [UsableNet](https://www.runsonwhat.com/reverse/usablenet) | Security & Compliance | Website code | | ## FAQ ### What tools does Celestron use? As of October 2026, runsonwhat has found 23 tools at Celestron (celestron.com) in public records. Edge & Hosting: Cloudflare and GoDaddy. Application: Google Fonts, Font Awesome and React. Data & Observability: Sentry. Go-to-market: Microsoft Ads, Shopify and Klaviyo. Company Ops: Microsoft 365, SendGrid and NoFraud. Last checked October 9, 2026. ### What email provider does Celestron use? Celestron uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 701,710 companies runsonwhat tracks. ### What payment provider does Celestron use? Celestron uses PayPal for payments and billing, according to runsonwhat (October 2026). runsonwhat found PayPal through PayPal code on celestron.com. PayPal is used by 33,816 companies runsonwhat tracks. ### What is Celestron's website built with? Celestron uses Shopify for its website, according to runsonwhat (October 2026). runsonwhat found Shopify through a subdomain that points at Shopify and DNS records. Shopify is used by 58,813 companies runsonwhat tracks. ### What marketing software does Celestron use? Celestron uses Klaviyo for marketing, alongside Swym, according to runsonwhat (October 2026). runsonwhat found Klaviyo through a DNS verification record for Klaviyo and code on celestron.com. Klaviyo is used by 34,596 companies runsonwhat tracks. ### What monitoring tools does Celestron use? Celestron uses Sentry for monitoring, according to runsonwhat (October 2026). runsonwhat found Sentry through Sentry code on celestron.com. Sentry is used by 77,032 companies runsonwhat tracks. ### Does Celestron use Google Fonts? Yes. runsonwhat found Google Fonts at Celestron through Google Fonts code on celestron.com. Google Fonts is a Media & UI tool used by 791,675 companies runsonwhat tracks. ### Does Celestron use AI tools? Yes. runsonwhat has found Anthropic at Celestron; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Celestron may use more AI tools than these. ### Which companies have a tech stack similar to Celestron's? The companies with the stacks most like Celestron's are Juvia’s Place, MASHBIR//365, Mountain Rose Herbs and OLLY PBC, according to runsonwhat (October 2026). Each shares 5 to 9 tools with Celestron, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Celestron uses? runsonwhat reads public records only. Of the 23 tools at Celestron, 15 were found through code on celestron.com, 5 through DNS records, 1 through email records, 1 through website configuration files and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and celestron.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/celestron.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.