Sir's tech stack
What does Sir use?
Sir (siractuators.com) uses at least 17 tools we can see from public records, including Microsoft 365 for email and documents, Google Analytics for analytics, Cloudflare for content delivery and Amazon SES for email delivery. Last checked .
- Tools found
- 17
- Categories
- 9
- Layers
- 5 of 5
- Changes seen
- 1
Sir's stack, layer by layer
Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.
Edge & Hosting
1 tool, where the bytes are served from
CDN & Edge
Application
7 tools, what the product is built with
Data & Observability
2 tools, what they measure and store
Go-to-market
2 tools, how they find and keep customers
Marketing
Ads & Pixels
Company Ops
5 tools, what the team runs on day to day
Email Delivery
Workspace
Security & Compliance
What changed at Sir
Recent starts and stops
- StartedAnthropic
Sir tech stack FAQ
What tools does Sir use?
As of November 2026, runsonwhat has found 17 tools at Sir (siractuators.com) in public records. Edge & Hosting: Cloudflare. Application: Google Fonts, Vimeo and YouTube. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Google Ads. Company Ops: Microsoft 365, Apple Business and Amazon SES. Last checked October 31, 2026.
What email provider does Sir use?
Sir uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 719,722 companies runsonwhat tracks.
What analytics tools does Sir use?
Sir uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on siractuators.com. Google Analytics is used by 906,097 companies runsonwhat tracks.
Does Sir use Google Fonts?
Yes. runsonwhat found Google Fonts at Sir through Google Fonts code on siractuators.com. Google Fonts is a Media & UI tool used by 825,795 companies runsonwhat tracks.
Does Sir use AI tools?
Yes. runsonwhat has found Anthropic at Sir; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Sir may use more AI tools than these.
Has Sir changed tools recently?
Yes. On runsonwhat's rechecks, Sir started using Anthropic (latest on October 20, 2026). A change counts only between two checks of siractuators.com done the same way.
How does runsonwhat know what Sir uses?
runsonwhat reads public records only. Of the 17 tools at Sir, 10 were found through code on siractuators.com, 6 through DNS records and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and siractuators.com about monthly.
We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.