Public Interest Registry's tech stack
What does Public Interest Registry use?
Public Interest Registry (pir.org) uses at least 27 tools we can see from public records, including WP Engine for hosting, Microsoft 365 for email and documents, Google Analytics for analytics and WordPress for its website. Last checked .
“Public Interest Registry is a nonprofit organization created by the Internet Society to manage the .ORG domain. We operate and manage the .ORG Family of Domains and are also active participants with the Internet Corporation for Assigned Names and Numbers (ICANN) and within the global Internet commun”
- Industry
- Internet
- Size
- 51–200 employees
- Based in
- Reston, United States
- Founded
- 2002
- Company page
- Tools found
- 27
- Categories
- 15
- Layers
- 5 of 5
- Changes seen
- 1
Public Interest Registry'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
2 tools, where the bytes are served from
Hosting & Cloud
CDN & Edge
Application
7 tools, what the product is built with
Data & Observability
2 tools, what they measure and store
Go-to-market
7 tools, how they find and keep customers
Website & CMS
Company Ops
9 tools, what the team runs on day to day
Email Delivery
Workspace
Dev Tools
Finance & Legal
Security & Compliance
What changed at Public Interest Registry
Recent starts and stops
- StartedSage Intacct
Public Interest Registry tech stack FAQ
What tools does Public Interest Registry use?
As of October 2026, runsonwhat has found 27 tools at Public Interest Registry (pir.org) in public records. Edge & Hosting: Cloudflare and WP Engine. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: WordPress, Google Ads and Meta Pixel. Company Ops: Microsoft 365, Atlassian and Amazon SES. Last checked October 9, 2026.
What cloud does Public Interest Registry run on?
Public Interest Registry uses WP Engine for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found WP Engine through WP Engine code on pir.org. WP Engine is used by 50,630 companies runsonwhat tracks.
What email provider does Public Interest Registry use?
Public Interest Registry 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 701,354 companies runsonwhat tracks.
What analytics tools does Public Interest Registry use?
Public Interest Registry uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on pir.org. Google Analytics is used by 851,443 companies runsonwhat tracks.
What is Public Interest Registry's website built with?
Public Interest Registry uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on pir.org. WordPress is used by 581,761 companies runsonwhat tracks.
What marketing software does Public Interest Registry use?
Public Interest Registry uses Mailchimp for marketing, according to runsonwhat (October 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp. Mailchimp is used by 113,137 companies runsonwhat tracks.
Does Public Interest Registry use jQuery?
Yes. runsonwhat found jQuery at Public Interest Registry through jQuery code on pir.org. jQuery is a Frontend tool used by 896,495 companies runsonwhat tracks.
Does Public Interest Registry use AI tools?
Yes. runsonwhat has found Anthropic at Public Interest Registry; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Public Interest Registry may use more AI tools than these.
Has Public Interest Registry changed tools recently?
Yes. On runsonwhat's rechecks, Public Interest Registry started using Sage Intacct (latest on October 9, 2026). A change counts only between two checks of pir.org done the same way.
How does runsonwhat know what Public Interest Registry uses?
runsonwhat reads public records only. Of the 27 tools at Public Interest Registry, 16 were found through code on pir.org, 8 through DNS records and 3 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and pir.org 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.