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Public Comment

Public Comment is a vital part of our multistakeholder model. It provides a mechanism for stakeholders to have their opinions and recommendations formally and publicly documented. It is an opportunity for the ICANN community to effect change and improve policies and operations.

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Name: Registries Stakeholder Group (RySG)
Date: 3 Apr 2026
Email: [email protected]
Original Public Comment: Proposed Root KSK Algorithm Rollover
Other Comments

The gTLD Registries Stakeholder Group (RySG) welcomes the opportunity to comment and is supportive of the proposal for Root Zone KSK algorithm rollover. Of note, we want to highlight a couple of items from the proposal.

The proposal recommends ECDSA using P-256 curve with SHA-256 for the next Root KSK algorithm. The RySG supports this choice for the next root algorithm noting that it is widely supported and implemented today.

In order to minimize UDP truncation and fallback to TCP for root zone queries, the proposal recommends reducing the RSA zone signing key size from 2048 bits to 1536 bits. The RySG supports this recommendation and doesn’t have concerns with the proposed change.

The RySG supports the proposed 4 year schedule. We note that it is in line with ICANN’s established timelines for root KSK rollovers (https://www.icann.org/en/system/files/files/proposal-future-rz-ksk-rollovers-01nov19-en.pdf).

Summary of Submission

The gTLD Registries Stakeholder Group (RySG) is supportive of the proposal for Root Zone KSK algorithm rollover and highlights a couple of items from the proposal in its comments.