Companies / Groups.io / Cloudflare
Does Groups.io use Cloudflare?
Probably
We hold good evidence for this, but not the strongest kind.
- Its script, DNS record or job board was loaded on the company's live website.
How we know
About Groups.io
Groups.io provides an email groups service with features like calendars, chat, polls, file storage, and wikis. It serves online communities and organizations of various sizes.
Summarized from its homepage on 4 Nov 2026.
What else Groups.io uses
Groups.io has evidence for 11 vendors. The strongest:
Google
Amazon Web Services
Anthropic
Linode
OpenAI
Stripe
Tailscale
Zendesk
Other companies using Cloudflare
Check any company's vendors in seconds
See Groups.io's full stack with a source for every vendor, and ask the same question about any company from the API, Claude or your browser.
- Every company and vendor, with its public source
- 100 API calls a month, plus MCP and the Chrome extension
- Work email only. No card, no sales call