# What does NAT Checker use?

NAT Checker (natchecker.com) shows public evidence of 16 tools, according to runsonwhat (last checked 2026-10-20).

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Email records, DNS records, Website code |  |
| [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Website code |  |
| [Amazon CloudFront](https://www.runsonwhat.com/reverse/cloudfront) | CDN & Edge | Custom domain, Website code |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code |  |
| [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code |  |
| [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code |  |
| [Google Tag Manager](https://www.runsonwhat.com/reverse/gtm) | Analytics | Website code |  |
| [Microsoft Clarity](https://www.runsonwhat.com/reverse/clarity) | Analytics | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code |  |
| [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code |  |
| [Google Ad Manager](https://www.runsonwhat.com/reverse/google-ad-manager) | Ads & Pixels | Website code |  |
| [Google AdSense](https://www.runsonwhat.com/reverse/google-adsense) | Ads & Pixels | Website code |  |
| [Yandex Webmaster](https://www.runsonwhat.com/reverse/yandex) | Marketing | DNS verification records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [reCAPTCHA](https://www.runsonwhat.com/reverse/recaptcha) | Security & Compliance | Website code |  |

## FAQ

### What tools does NAT Checker use?

As of October 2026, runsonwhat has found 16 tools at NAT Checker (natchecker.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon CloudFront. Application: Google Fonts, React and Tailwind CSS. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, LinkedIn Insight Tag and Google Ad Manager. Company Ops: reCAPTCHA. Last checked October 20, 2026.

### What cloud does NAT Checker run on?

NAT Checker uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on natchecker.com. Amazon Web Services is used by 145,165 companies runsonwhat tracks.

### What analytics tools does NAT Checker use?

NAT Checker uses Google Analytics for analytics, alongside Google Tag Manager and Microsoft Clarity, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on natchecker.com. Google Analytics is used by 862,265 companies runsonwhat tracks.

### What marketing software does NAT Checker use?

NAT Checker uses Yandex Webmaster for marketing, according to runsonwhat (October 2026). runsonwhat found Yandex Webmaster through a DNS verification record for Yandex Webmaster. Yandex Webmaster is used by 16,537 companies runsonwhat tracks.

### Does NAT Checker use Google Fonts?

Yes. runsonwhat found Google Fonts at NAT Checker through Google Fonts code on natchecker.com. Google Fonts is a Media & UI tool used by 798,005 companies runsonwhat tracks.

### How does runsonwhat know what NAT Checker uses?

runsonwhat reads public records only. Of the 16 tools at NAT Checker, 12 were found through code on natchecker.com, 2 through DNS records, 1 through email records and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and natchecker.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/natchecker.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.