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async dns

@devopslinks ・ Dec 22,2025

A developer went digging for safer async DNS in curl after pthread_cancel started breaking things. Threadless, callback-free options took the spotlight. OpenBSD’s asr quickly stood out, clean event loop integration, no threads, no drama. Beat out c-ares on portability and design clarity.

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Trusted by engineers at:

Google • Microsoft • AWS • Netflix

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