Adds handling for RFC 9156 #22095
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Adds handling for RFC 9156 #22095
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Description
Fixing #6579 by adding qname minimization handling based on rfc9156
This pull request includes improvements to the DNS handling in the
agentpackage, specifically focusing on QNAME minimization as per RFC 9156. The changes include handling partial domain queries and updating the related tests.Improvements to DNS handling:
.changelog/22095.txt: Added a release note indicating the improvement in DNS handling based on RFC 9156.agent/dns.go: Reordered imports for better organization and added handling for potential QNAME minimization queries, returning empty responses for partial domain components. [1] [2]Updates to tests:
agent/dns_test.go: Removed some invalid query tests and added new tests for QNAME minimization, ensuring partial queries return empty success and full queries return actual records. [1] [2]Links
https://www.rfc-editor.org/rfc/rfc9156.txt
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