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ARIN DNSSEC Changes Completed

Posted: Thu, 28 April 2011

On 27 April, ARIN placed Delegation Signer (DS) records into in-addr.arpa and ip6.arpa. Now DNSSEC validation will occur from the root down if you properly set up your DNSSEC-aware recursive resolver.

For most DNSSEC-aware recursive resolver operators, nothing needs to be done for this change to be in effect as long as you have configured your DNSSEC-aware server to use ICANN’s trust anchor for the root zone. For those who have used ARIN’s trust anchors (in place since 2 July 2009) to take advantage of DNSSEC before the root or in-addr.arpa was signed, you MUST remove them within the next two months of this date. Otherwise, DNSSEC validation may fail due to a KSK change to ARIN’s zones. Additionally, ARIN will also coordinate with Internet Systems Consortium, Inc. (ISC) to remove ARIN's delegations from their DNSSEC Lookaside Validation (DLV) registry after setting up these records in in-addr.arpa and ip6.arpa.

The DS records will remain the same as the current trust anchor for the next two months. After that time, ARIN will begin rolling a KSK for its authoritative zones, which will cause any DNSSEC-enabled resolvers that use ARIN’s statically, configured trust anchors to fail.

For full details on DNSSEC at ARIN, refer to: https://www.arin.net/resources/dnssec/

As always, ARIN welcomes community feedback regarding DNSSEC. Subscribe and participate on the arin-tech-discuss@arin.net mailing list if you have questions or comments.

Regards,

Mark Kosters
Chief Technical Officer
American Registry for Internet Numbers (ARIN)

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