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[Internet]+[Progress]: Q-Root, World's First Quantum-Secure DNS Root Server, Goes Live in Geneva

ICANN launched the world's first quantum-secure DNS root server Q-Root in Geneva, using lattice-based cryptography to replace traditional RSA signatures, preparing internet infrastructure security for the quantum computing era.

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The root servers of the internet's domain name system form the addressing foundation of the entire internet. In May 2030, ICANN officially launched Q-Root at its Geneva data center—the world's first DNS root server protected by post-quantum cryptography.

Q-Root uses the ML-DSA lattice-based signature algorithm standardized by NIST in 2024, replacing traditional RSA-2048 signatures. With the quantum computing threat growing ever closer, ICANN believes the quantum-safe migration of the DNS root zone "can no longer wait."

A member of ICANN's Security and Stability Advisory Committee said: "A sufficiently powerful quantum computer could crack the RSA signatures currently used by the DNS root zone within hours. While such a quantum computer may still be 5 to 10 years away, infrastructure migration needs to be completed in advance."

Q-Root is the first of the world's 13 DNS root servers to complete quantum-safe migration. ICANN plans to complete the cryptographic upgrade of all 13 root servers by the end of 2031.