Kozmo.com's tech stack
What does Kozmo.com use?
Kozmo.com (kozmo.com) uses at least 4 tools we can see from public records, including Rackspace Email for email and documents and Constant Contact for marketing. Last checked .
- Industry
- Retail
- Based in
- United States
- Founded
- 1998
- Tools found
- 4
- Categories
- 3
- Layers
- 3 of 5
- Last checked
- Oct 2026
Kozmo.com'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
Go-to-market
2 tools, how they find and keep customers
Company Ops
1 tool, what the team runs on day to day
Workspace
Kozmo.com tech stack FAQ
What tools does Kozmo.com use?
As of October 2026, runsonwhat has found 4 tools at Kozmo.com (kozmo.com) in public records. Edge & Hosting: Amazon Route 53. Go-to-market: Constant Contact. Company Ops: Rackspace Email. Last checked October 17, 2026.
What email provider does Kozmo.com use?
Kozmo.com uses Rackspace Email for email and office software, according to runsonwhat (October 2026). runsonwhat found Rackspace Email through email records that authorize Rackspace Email. Rackspace Email is used by 6,083 companies runsonwhat tracks.
What marketing software does Kozmo.com use?
Kozmo.com uses Constant Contact for marketing, according to runsonwhat (October 2026). runsonwhat found Constant Contact through email records that authorize Constant Contact. Constant Contact is used by 13,501 companies runsonwhat tracks.
Does Kozmo.com use Amazon Route 53?
Yes. runsonwhat found Amazon Route 53 at Kozmo.com through DNS records that point at Amazon Route 53. Amazon Route 53 is a DNS tool used by 84,167 companies runsonwhat tracks.
How does runsonwhat know what Kozmo.com uses?
runsonwhat reads public records only. Of the 4 tools at Kozmo.com, 2 were found through DNS records, 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and kozmo.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.