# What does RCSI use? RCSI (rcsi.com) shows public evidence of 26 tools, according to runsonwhat (last checked 2026-10-20). - LinkedIn: https://www.linkedin.com/company/rcsi ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft Azure](https://www.runsonwhat.com/reverse/azure) | Hosting & Cloud | Custom domain, DNS records, Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code | | | [Adobe Fonts](https://www.runsonwhat.com/reverse/adobe-fonts) | 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 | | ## 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 | | | [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 | | | [TikTok Pixel](https://www.runsonwhat.com/reverse/tiktok-pixel) | Ads & Pixels | Website code | | | [X Ads](https://www.runsonwhat.com/reverse/x-ads) | Ads & Pixels | Website code | | | [Snap Pixel](https://www.runsonwhat.com/reverse/snap-pixel) | Ads & Pixels | Website code | | | [Sitecore](https://www.runsonwhat.com/reverse/sitecore) | Website & CMS | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, DNS verification records, Website code | | | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | DNS verification records | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | 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 | | | [Exclaimer](https://www.runsonwhat.com/reverse/exclaimer) | Workspace | Email records | | | [OneTrust](https://www.runsonwhat.com/reverse/onetrust) | Security & Compliance | Website code | | | [KnowBe4](https://www.runsonwhat.com/reverse/knowbe4) | Security & Compliance | DNS verification records | | | [Amazon Trust Services](https://www.runsonwhat.com/reverse/amazon-trust) | Security & Compliance | DNS records | | | [Nitro](https://www.runsonwhat.com/reverse/nitro-pdf) | Collaboration | DNS verification records | | ## Recent changes at RCSI - 2026-10-20: started using [Google Trust Services](https://www.runsonwhat.com/reverse/google-trust) - 2026-10-20: started using [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) ## FAQ ### What tools does RCSI use? As of October 2026, runsonwhat has found 26 tools at RCSI (rcsi.com) in public records. Edge & Hosting: Microsoft Azure. Application: jQuery and Adobe Fonts. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 20, 2026. ### What cloud does RCSI run on? RCSI uses Microsoft Azure for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Microsoft Azure through a subdomain that points at Microsoft Azure and DNS records. Microsoft Azure is used by 46,007 companies runsonwhat tracks. ### What email provider does RCSI use? RCSI uses Microsoft 365 for email and office software, alongside Google Workspace, Apple Business and Exclaimer, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and a DNS verification record. Microsoft 365 is used by 705,166 companies runsonwhat tracks. ### What analytics tools does RCSI use? RCSI uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on rcsi.com. Google Analytics is used by 861,714 companies runsonwhat tracks. ### What is RCSI's website built with? RCSI uses Sitecore for its website, according to runsonwhat (October 2026). runsonwhat found Sitecore through Sitecore code on rcsi.com. Sitecore is used by 2,067 companies runsonwhat tracks. ### Does RCSI use jQuery? Yes. runsonwhat found jQuery at RCSI through jQuery code on rcsi.com. jQuery is a Frontend tool used by 904,180 companies runsonwhat tracks. ### Has RCSI changed tools recently? Yes. On runsonwhat's rechecks, RCSI started using Google Trust Services and Let's Encrypt (latest on October 20, 2026). A change counts only between two checks of rcsi.com done the same way. ### Which companies have a tech stack similar to RCSI's? The companies with the stacks most like RCSI's are Northwest Bank Of Rockford, VMG Accounting, Jp Morriss Assessors and Zamp HR, according to runsonwhat (October 2026). Each shares 3 to 8 tools with RCSI, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what RCSI uses? runsonwhat reads public records only. Of the 26 tools at RCSI, 13 were found through code on rcsi.com, 9 through DNS records, 3 through email records 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 rcsi.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/rcsi.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.