# What does Circonus use?

Circonus (circonus.com) shows public evidence of 14 tools, according to runsonwhat (last checked 2026-10-20).

- Industry: IT Services
- Size: 11–50 employees
- Based in: Malvern, United States
- Founded: 2010
- LinkedIn: https://www.linkedin.com/company/circonus

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Cloud](https://www.runsonwhat.com/reverse/gcp) | Hosting & Cloud | DNS records |  |
| [Cloudflare Pages](https://www.runsonwhat.com/reverse/cloudflare-pages) | Hosting & Cloud | Custom domain |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Atlassian Statuspage](https://www.runsonwhat.com/reverse/statuspage) | Monitoring | Custom domain |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Email records |  |
| [Constant Contact](https://www.runsonwhat.com/reverse/constantcontact) | Marketing | Email records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records |  |
| [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records |  |
| [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records |  |
| [Postmark](https://www.runsonwhat.com/reverse/postmark) | Email Delivery | Email records |  |
| [Amazon Trust Services](https://www.runsonwhat.com/reverse/amazon-trust) | Security & Compliance | DNS records |  |
| [1Password](https://www.runsonwhat.com/reverse/1password) | Security & Compliance | DNS verification records |  |
| [SparkPost](https://www.runsonwhat.com/reverse/sparkpost) | Email Delivery | Email records |  |
| [Keybase](https://www.runsonwhat.com/reverse/keybase) | Security & Compliance | DNS verification records |  |

## FAQ

### What tools does Circonus use?

As of October 2026, runsonwhat has found 14 tools at Circonus (circonus.com) in public records. Edge & Hosting: Google Cloud and Cloudflare Pages. Data & Observability: Atlassian Statuspage. Go-to-market: HubSpot and Constant Contact. Company Ops: Google Workspace, SendGrid and Let's Encrypt. Last checked October 20, 2026.

### What cloud does Circonus run on?

Circonus uses Google Cloud for hosting and cloud infrastructure, alongside Cloudflare Pages, according to runsonwhat (October 2026). runsonwhat found Google Cloud through DNS records that point at Google Cloud. Google Cloud is used by 75,726 companies runsonwhat tracks.

### What CRM does Circonus use?

Circonus uses HubSpot for its CRM, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot. HubSpot is used by 93,854 companies runsonwhat tracks.

### What email provider does Circonus use?

Circonus uses Google Workspace for email and office software, according to runsonwhat (October 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace. Google Workspace is used by 402,297 companies runsonwhat tracks.

### What marketing software does Circonus use?

Circonus 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 13,559 companies runsonwhat tracks.

### What monitoring tools does Circonus use?

Circonus uses Atlassian Statuspage for monitoring, according to runsonwhat (October 2026). runsonwhat found Atlassian Statuspage through a subdomain that points at Atlassian Statuspage. Atlassian Statuspage is used by 6,639 companies runsonwhat tracks.

### Does Circonus use SendGrid?

Yes. runsonwhat found SendGrid at Circonus through email records that authorize SendGrid. SendGrid is a Email Delivery tool used by 193,202 companies runsonwhat tracks.

### Which companies have a tech stack similar to Circonus's?

The companies with the stacks most like Circonus' are Smart Innovation, Kisko Labs, Security Headers and Nylas, according to runsonwhat (October 2026). Each shares 4 to 9 tools with Circonus, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Circonus uses?

runsonwhat reads public records only. Of the 14 tools at Circonus, 6 were found through DNS records, 6 through email records and 2 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and circonus.com about monthly.


---

Source: runsonwhat, https://www.runsonwhat.com/company/circonus.com (updated October 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.