# What does Dns Checker use?

Dns Checker (dnschecker.org) shows public evidence of 35 tools, according to runsonwhat (last checked 2026-10-12).

- Industry: Computer Networking
- Size: 1–10 employees
- Based in: Rochester, United States
- Founded: 2013
- LinkedIn: https://www.linkedin.com/company/dns-checker

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Email records, DNS records, Website code |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code |  |
| [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | 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 |  |
| [Microsoft Xandr](https://www.runsonwhat.com/reverse/xandr) | Ads & Pixels | Website code |  |
| [Pinterest](https://www.runsonwhat.com/reverse/pinterest) | Ads & Pixels | DNS verification records |  |
| [Ahrefs](https://www.runsonwhat.com/reverse/ahrefs) | Marketing | DNS verification records |  |
| [LiveRamp](https://www.runsonwhat.com/reverse/liveramp) | Ads & Pixels | Website code |  |
| [Adobe Audience Manager](https://www.runsonwhat.com/reverse/adobe-audience-manager) | Ads & Pixels | Website code |  |
| [StackAdapt](https://www.runsonwhat.com/reverse/stackadapt) | Ads & Pixels | Website code |  |
| [Magnite](https://www.runsonwhat.com/reverse/magnite) | Ads & Pixels | Website code |  |
| [OpenX](https://www.runsonwhat.com/reverse/openx) | Ads & Pixels | Website code |  |
| [Amazon Publisher Services](https://www.runsonwhat.com/reverse/amazon-publisher-services) | Ads & Pixels | Website code |  |
| [Amazon Advertising](https://www.runsonwhat.com/reverse/amazon-advertising) | Ads & Pixels | Website code |  |
| [Demandbase](https://www.runsonwhat.com/reverse/demandbase) | Sales & CRM | Website code |  |
| [RTB House](https://www.runsonwhat.com/reverse/rtb-house) | Ads & Pixels | Website code |  |
| [Adobe Advertising](https://www.runsonwhat.com/reverse/adobe-advertising) | Ads & Pixels | Website code |  |
| [Quantcast](https://www.runsonwhat.com/reverse/quantcast) | Ads & Pixels | Website code |  |
| [LiveIntent](https://www.runsonwhat.com/reverse/liveintent) | Ads & Pixels | Website code |  |
| [ID5](https://www.runsonwhat.com/reverse/id5) | Ads & Pixels | Website code |  |
| [MediaMath](https://www.runsonwhat.com/reverse/mediamath) | Ads & Pixels | Website code |  |
| [33Across](https://www.runsonwhat.com/reverse/33across) | Ads & Pixels | Website code |  |
| [Nativo](https://www.runsonwhat.com/reverse/nativo) | Ads & Pixels | Website code |  |
| [MGID](https://www.runsonwhat.com/reverse/mgid) | Ads & Pixels | Website code |  |
| [Clickagy](https://www.runsonwhat.com/reverse/clickagy) | Sales & CRM | Website code |  |
| [Smart Ad Server](https://www.runsonwhat.com/reverse/smart-ad-server) | Ads & Pixels | Website code |  |
| [Tapad](https://www.runsonwhat.com/reverse/tapad) | Ads & Pixels | Website code |  |
| [Primis](https://www.runsonwhat.com/reverse/primis) | Ads & Pixels | Website code |  |

## Company Ops

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

## FAQ

### What tools does Dns Checker use?

As of October 2026, runsonwhat has found 35 tools at Dns Checker (dnschecker.org) in public records. Edge & Hosting: Cloudflare. Application: jQuery and Google Fonts. 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 12, 2026.

### What sales tools does Dns Checker use?

The sales tools runsonwhat has found at Dns Checker are Demandbase and Clickagy (October 2026); no CRM shows up in Dns Checker's public records. runsonwhat found Demandbase through Demandbase code on dnschecker.org.

### What analytics tools does Dns Checker use?

Dns 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 dnschecker.org. Google Analytics is used by 853,379 companies runsonwhat tracks.

### What marketing software does Dns Checker use?

Dns Checker uses Ahrefs for marketing, according to runsonwhat (October 2026). runsonwhat found Ahrefs through a DNS verification record for Ahrefs. Ahrefs is used by 22,994 companies runsonwhat tracks.

### Does Dns Checker use jQuery?

Yes. runsonwhat found jQuery at Dns Checker through jQuery code on dnschecker.org. jQuery is a Frontend tool used by 897,845 companies runsonwhat tracks.

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

runsonwhat reads public records only. Of the 35 tools at Dns Checker, 31 were found through code on dnschecker.org, 3 through DNS records and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and dnschecker.org about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/dnschecker.org (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.
