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qdns is a lightweight, command-line DNS client developed by Nate Sales that equips network administrators, developers, and security researchers with a single, portable tool for interrogating domain-name records across every major modern transport protocol. Built to stay tiny yet comprehensive, the utility issues queries over classic UDP and TCP as well as over encrypted channels provided by DNS-over-TLS (DoT), DNS-over-HTTPS (DoH), the emerging DNS-over-QUIC (DoQ), and the anonymizing Oblivious DNS-over-HTTPS (ODoH). This breadth of support allows precise verification of resolver behavior, latency benchmarking, and privacy testing without switching between separate applications. Typical use cases include validating DNSSEC chain-of-trust during domain deployment, comparing response times between regional DoH providers, confirming that corporate forwarders correctly proxy ODoH, and capturing raw packet output for integration into shell scripts or continuous-integration pipelines. The program is published under the Networking Tools category and is currently offered in two distinct versions, the latest being 0.19.12, ensuring that users can select a build whose feature set or stability level matches their environment. By accepting standard command-line arguments familiar to dig users while adding flags for protocol selection, port specification, and SNI configuration, qdns keeps the learning curve low yet provides the granular control required for advanced troubleshooting. Both releases remain open-source, cross-platform, and dependency-minimal, making the client equally suitable for containerized cloud jobs, embedded systems, or a technician’s portable thumb-drive toolkit. qdns is available for free on get.nero.com, with downloads delivered through trusted Windows package sources such as winget, guaranteeing the newest build, optional batch installation alongside other utilities, and reliable file integrity.
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