RKR's tech stack
What does RKR use?
RKR (rkrnet.com) uses at least 16 tools we can see from public records, including Microsoft 365 for email and documents, WordPress for its website, Mailchimp for marketing and SendGrid for email delivery. Last checked .
- Industry
- Building Materials
- Size
- 11–50 employees
- Based in
- Highlands Ranch, United States
- Founded
- 1959
- Company page
- Tools found
- 16
- Categories
- 8
- Layers
- 4 of 5
- Last checked
- Oct 2026
RKR'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
DNS
Application
7 tools, what the product is built with
Go-to-market
5 tools, how they find and keep customers
Website & CMS
Company Ops
3 tools, what the team runs on day to day
RKR tech stack FAQ
What tools does RKR use?
As of November 2026, runsonwhat has found 16 tools at RKR (rkrnet.com) in public records. Edge & Hosting: GoDaddy. Application: jQuery, Google Fonts and Font Awesome. Go-to-market: WordPress, Yoast SEO and Elementor. Company Ops: Microsoft 365, SendGrid and Proofpoint. Last checked October 30, 2026.
What email provider does RKR use?
RKR uses Microsoft 365 for email and office software, 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 718,281 companies runsonwhat tracks.
What is RKR's website built with?
RKR uses WordPress for its website, alongside Yoast SEO and Elementor, according to runsonwhat (November 2026). runsonwhat found WordPress through WordPress code on rkrnet.com. WordPress is used by 605,881 companies runsonwhat tracks.
What marketing software does RKR use?
RKR uses Mailchimp for marketing, according to runsonwhat (November 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp. Mailchimp is used by 117,707 companies runsonwhat tracks.
Does RKR use jQuery?
Yes. runsonwhat found jQuery at RKR through jQuery code on rkrnet.com. jQuery is a Frontend tool used by 928,421 companies runsonwhat tracks.
How does runsonwhat know what RKR uses?
runsonwhat reads public records only. Of the 16 tools at RKR, 10 were found through code on rkrnet.com, 3 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 rkrnet.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.