The coolest letter in the alphabet: When we learn the letters of the English alphabet, we just remember them in order, from A to Z. But have you ever thought about whether some letters are just ...

You can create a release to package software, along with release notes and links to binary files, for other people to use. Learn more about releases in our docs.

Test endpoints against 5 major DNS providers (Cloudflare, Quad9, Google, OpenDNS, and AdGuard) Check both DNS resolution and HTTP/HTTPS connectivity Visual output with clear success/failure indicators ...