Check your website, DNS, and email authentication records in seconds. No account, software, or access to your computer is required.
Enter a website address to check public DNS, website, SSL, and email authentication records in plain English.
This is an automated check of public records, not a security audit. Results can be affected by DNS caching and network restrictions.
The checker turns technical records into useful answers without requesting an account or access to your computer.
Confirms that the domain resolves and a secure website connection responds.
Reviews address, name-server, alias, authority, IPv6 and certificate-authority records.
Finds public mail servers and identifies Google Workspace, Microsoft 365 or another provider.
Reviews SPF and DMARC records that help prevent fraudulent email using your domain.
Measures how long the website takes to answer from the visitor's current location.
Explains missing or weak settings in ordinary language with practical recommendations.
Create a random password privately in your browser.
Measure your connection against a nearby Measurement Lab server and compare the result with the internet speed you expect.
The test does not install software or access files on your computer. Read M-Lab’s privacy information.
Measurement Lab is selecting a healthy server near you.
Results vary with Wi-Fi signal, device activity, VPNs, browser performance and network congestion. The latency shown is a browser connection estimate, not an ICMP ping.
Press every key to check that your keyboard responds. Keys light up on the screen and stay marked after they have been tested. Nothing you type is saved or transmitted.
Some laptop function keys, media controls, power buttons, and operating-system shortcuts may not be reported to a web browser.
Level3PC can review your website, DNS, Microsoft 365, Google Workspace, and business email configuration.
