# What does Splunk use? Splunk (replex.io) shows public evidence of 28 tools, according to runsonwhat (last checked 2026-10-20). - Industry: Software - Size: 11–50 employees - Based in: Leipzig, Germany - Founded: 2016 - LinkedIn: https://www.linkedin.com/company/splunk ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Fastly](https://www.runsonwhat.com/reverse/fastly) | CDN & Edge | Website code | | | [Akamai](https://www.runsonwhat.com/reverse/akamai) | CDN & Edge | Custom domain, 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 | | | [Akamai mPulse](https://www.runsonwhat.com/reverse/akamai-mpulse) | Monitoring | Website code | | | [Mouseflow](https://www.runsonwhat.com/reverse/mouseflow) | Analytics | Website code | | | [Smartlook](https://www.runsonwhat.com/reverse/smartlook) | 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 | | | [X Ads](https://www.runsonwhat.com/reverse/x-ads) | Ads & Pixels | Website code | | | [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 | | | [StackAdapt](https://www.runsonwhat.com/reverse/stackadapt) | Ads & Pixels | Website code | | | [Marketo](https://www.runsonwhat.com/reverse/marketo) | Marketing | Website code | | | [Simpli.fi](https://www.runsonwhat.com/reverse/simplifi) | Ads & Pixels | Website code | | | [MNTN](https://www.runsonwhat.com/reverse/mntn) | Ads & Pixels | Website code | | | [6sense](https://www.runsonwhat.com/reverse/sixsense) | Sales & CRM | Website code | | | [GitBook](https://www.runsonwhat.com/reverse/gitbook) | Support & Docs | Custom domain | 2020-08 | | [Qualified](https://www.runsonwhat.com/reverse/qualified) | Sales & CRM | Website code | | | [Instapage](https://www.runsonwhat.com/reverse/instapage) | Website & CMS | Custom domain | 2019-08 | | [TechTarget](https://www.runsonwhat.com/reverse/techtarget) | Sales & CRM | Website code | | | [Intentsify](https://www.runsonwhat.com/reverse/intentsify) | Sales & CRM | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records | | | [OneTrust](https://www.runsonwhat.com/reverse/onetrust) | Security & Compliance | Website code | | ## FAQ ### What tools does Splunk use? As of October 2026, runsonwhat has found 28 tools at Splunk (replex.io) in public records. Edge & Hosting: Fastly and Akamai. Data & Observability: Google Analytics, Google Tag Manager and Akamai mPulse. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Google Workspace, SendGrid and OneTrust. Last checked October 20, 2026. ### What sales tools does Splunk use? The sales tools runsonwhat has found at Splunk are 6sense, Qualified, TechTarget and Intentsify (October 2026); no CRM shows up in Splunk's public records. runsonwhat found 6sense through 6sense code on replex.io. ### What email provider does Splunk use? Splunk uses Google Workspace for email and office software, according to runsonwhat (October 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace. Google Workspace is used by 399,688 companies runsonwhat tracks. ### What does Splunk use for customer support? Splunk uses GitBook for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found GitBook through a subdomain that points at GitBook, and Splunk has used it since at least August 2020. GitBook is used by 1,992 companies runsonwhat tracks. ### What analytics tools does Splunk use? Splunk uses Google Analytics for analytics, alongside Google Tag Manager, Mouseflow and Smartlook, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on replex.io. Google Analytics is used by 861,361 companies runsonwhat tracks. ### What is Splunk's website built with? Splunk uses Instapage for its website, according to runsonwhat (October 2026). runsonwhat found Instapage through a subdomain that points at Instapage, and Splunk has used it since at least August 2019. Instapage is used by 610 companies runsonwhat tracks. ### How long has Splunk used Instapage? Splunk has used Instapage since at least August 2019, going by the first public certificate of the replex.io subdomain that points at Instapage. Other long-running tools at Splunk include GitBook (since August 2020). ### Does Splunk use Google Ads? Yes. runsonwhat found Google Ads at Splunk through Google Ads code on replex.io. Google Ads is a Ads & Pixels tool used by 470,485 companies runsonwhat tracks. ### Which companies have a tech stack similar to Splunk's? The companies with the stacks most like Splunk's are SignalFX, Veracode, Splunk and Unisys, according to runsonwhat (October 2026). Each shares 13 to 24 tools with Splunk, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Splunk uses? runsonwhat reads public records only. Of the 28 tools at Splunk, 23 were found through code on replex.io, 3 through subdomains that point at the vendor and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and replex.io about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/replex.io (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.