Show HN: Global DNS record propagation visualization

Category: devtools

Tags: dns, propagation-checker, dev-tool

Score: 4.0/10 (Innovation: 3, Technical: 4, Documentation: 3, Utility: 5)

Tidelock provides a free, no-signup DNS propagation checker that queries public resolvers globally to show users if their DNS changes have propagated. It offers a simple, focused utility for a common infrastructure task, but lacks advanced features or deep technical novelty.

Target audience: devops, site reliability engineers, web developers

Repository: https://www.tidelock.dev/dns/propagation

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