[lacnog] Fwd: [dns-operations] Root zone operational announcement: introducing ZONEMD for the root zone

[Nicolas Antoniello]

FYI




---------- Forwarded message ----------
From: "Wessels, Duane"
Date: Wed, 19 Jul 2023 16:10:25 +0000
Subject: Root zone operational announcement: introducing ZONEMD for the
root zone

I am pleased to announce that Message Digests for DNS Zones, also known as
ZONEMD, will be added to the root zone later this year.  This feature,
specified in RFC 8976, adds cryptographic data protections to the zone as a
whole, allowing the recipient to verify the authenticity of the zone’s
contents.

ZONEMD will be added to the root zone using a phased approach.  On
September 13, 2023, a ZONEMD record will make its first appearance in the
root zone.  At this time the Hash Algorithm field will be set to a private
use algorithm number, making the ZONEMD record deliberately unverifiable.

On December 6, 2023, the ZONEMD record will be published with the SHA-384
Hash Algorithm, thereby making it verifiable.

We expect no operational impacts for end users.  ZONEMD does not affect
root zone queries and responses.  The root server operators have agreed to
not alter their zone ingestion processes for at least a year after ZONEMD
is first introduced.

Anyone that downloads the root zone file from www.internic.net or
rs.internic.net should be aware that it will include the new ZONEMD
resource record in its native presentation format starting on September 6th.

Please feel free to follow up with any questions or concerns.

References and further reading:

[1] RFC 8976: “Message Digest for DNS Zones”,
https://www.rfc-editor.org/rfc/rfc8976
[2] Root Server Operators Statement on adding ZONEMD to the root zone,
https://root-servers.org/media/news/2022-08-Statement_on_ZONEMD.pdf
[3] RZERC003: “Adding Zone Data Protections to the Root Zone”,
https://www.icann.org/uploads/ckeditor/rzerc-003-en.pdf
[4] Verisign Blog: “Adding ZONEMD Protections to the Root Zone”,
https://blog.verisign.com/security/root-zone-zonemd/
[5] APNIC Ping Podcast episode “Adding ZONEMD protections to the root
zone”,
https://blubrry.com/ping_podcast/108940688/adding-zonemd-protections-to-the-root-zone
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