Privacy
Privacy
Last updated: May 2026.
Codynet is built around a simple idea: keep our own data collection minimal, and disclose every third party clearly. This page describes exactly what does and doesn’t happen when you use the site.
What we collect
Standard server logs, kept short-term for operational health: timestamp, route name (e.g. /api/dns), HTTP status, and request latency.
We also use Microsoft Application Insights for aggregate, privacy-respecting traffic analytics: pageviews, session counts, browser / country distribution, and which tools are most used. The SDK runs in your browser with cookies disabled and uses only an anonymous random session ID held in session storage (cleared when you close the tab). We do not send your query content, email, name, or any other identifier to it. Telemetry is retained for 90 days and is processed by Microsoft as a subprocessor in the United States. See Microsoft’s Application Insights data & privacy notice for details.
What we don’t store
The content of your queries — the domains, IPs, hostnames, and URLs you look up — is processed in memory and discarded. It is not written to a database. It is not retained.
Where your history goes
Your lookup history is stored in your browser’s localStorage under keys prefixed codynet:. It never leaves your device. You can clear it any time from the History drawer (top-right) or by clearing site data in your browser. Disabling history stops the site from writing new entries.
Outbound calls we make on your behalf
- DNS lookups reach the resolver you choose — your operating system default, or one you pick (Cloudflare 1.1.1.1, Google 8.8.8.8, Quad9 9.9.9.9, OpenDNS, or a custom public IP). That resolver sees the query.
- RDAP lookups reach IANA’s public bootstrap service and the relevant domain registry or regional internet registry.
- HTTP and TLS inspections reach only the host you tell us to inspect.
Advertising
Codynet may display advertisements served by Google AdSense and other Google ad partners. Ads help fund the site’s hosting and let it remain free with no accounts and no paywall. We do not pass your query content to Google or to advertisers.
Google and its partners may use cookies, web beacons, IP addresses, device identifiers, and similar technologies to serve and measure ads, including personalized advertising based on your prior visits to this and other sites. Where required by law (for example, in the EEA, the United Kingdom, and Switzerland), Google’s consent management platform presents a prompt before personalized ads are served.
For details on how Google uses data when you use partner sites, see Google’s “How Google uses information from sites or apps that use our services” and the Google advertising policies. You can manage personalized advertising preferences at Google Ads Settings and opt out of third-party advertising cookies via the DAA (US) or EDAA (EU) opt-out pages.
Cookies
Codynet itself does not set tracking cookies. Application Insights runs without cookies. When ads are displayed, Google ad partners may set their own cookies and similar identifiers as described above. You can manage or block cookies in your browser settings without affecting any of the site’s tools.
Third parties
The site is hosted on Microsoft Azure App Service, which has its own platform-level telemetry on infrastructure health. We use Microsoft Application Insights (also part of Azure) for aggregate, cookie-free analytics as described above. Google AdSense and its ad partners may serve ads as described in “Advertising.” No chat widgets, no other third-party SaaS.
Children
Codynet is a developer utility and is not directed at children under 13.
Contact
Privacy questions: NetworkUtility@codynet.com.