Simplify dns.question.name note per review feedback

Co-authored-by: lmolkova <[email protected]>

Author: Copilot

docs/dns/dns-metrics.md

@@ -41,7 +41,7 @@ of `[ 0.005, 0.01, 0.025, 0.05, 0.075, 0.1, 0.25, 0.5, 0.75, 1, 2.5, 5, 7.5, 10
 | [`dns.question.name`](/docs/registry/attributes/dns.md) | string | The name being queried. [1] | `www.example.com`; `dot.net` | `Required` | ![Development](https://img.shields.io/badge/-development-blue) |
 | [`error.type`](/docs/registry/attributes/error.md) | string | Describes the error the DNS lookup failed with. [2] | `host_not_found`; `no_recovery`; `java.net.UnknownHostException` | `Conditionally Required` if and only if an error has occurred. | ![Stable](https://img.shields.io/badge/-stable-lightgreen) |
 
-**[1] `dns.question.name`:** The name represents the queried domain name as it appears in the DNS query. If the name contains non-ASCII characters, it will be encoded using Punycode as per [RFC 3492](https://datatracker.ietf.org/doc/html/rfc3492), but no additional normalization is required. The name should be recorded as provided to the DNS resolution function.
+**[1] `dns.question.name`:** The name represents the queried domain name as it appears in the DNS query without any additional normalization.
 
 **[2] `error.type`:** Instrumentations SHOULD use error code such as one of errors reported by `getaddrinfo`([Linux or other POSIX systems](https://man7.org/linux/man-pages/man3/getaddrinfo.3.html) / [Windows](https://learn.microsoft.com/windows/win32/api/ws2tcpip/nf-ws2tcpip-getaddrinfo)) or one reported by the runtime or client library. If error code is not available, the full name of exception type SHOULD be used.
 

docs/registry/attributes/dns.md

@@ -12,4 +12,4 @@ This document defines the shared attributes used to report a DNS query.
 | <a id="dns-answers" href="#dns-answers">`dns.answers`</a> | string[] | The list of IPv4 or IPv6 addresses resolved during DNS lookup. | `["10.0.0.1", "2001:0db8:85a3:0000:0000:8a2e:0370:7334"]` | ![Development](https://img.shields.io/badge/-development-blue) |
 | <a id="dns-question-name" href="#dns-question-name">`dns.question.name`</a> | string | The name being queried. [1] | `www.example.com`; `opentelemetry.io` | ![Development](https://img.shields.io/badge/-development-blue) |
 
-**[1] `dns.question.name`:** The name represents the queried domain name as it appears in the DNS query. If the name contains non-ASCII characters, it will be encoded using Punycode as per [RFC 3492](https://datatracker.ietf.org/doc/html/rfc3492), but no additional normalization is required. The name should be recorded as provided to the DNS resolution function.
+**[1] `dns.question.name`:** The name represents the queried domain name as it appears in the DNS query without any additional normalization.

model/dns/registry.yaml

@@ -11,10 +11,8 @@ groups:
         brief: The name being queried.
         examples: ["www.example.com", "opentelemetry.io"]
         note: >
-          The name represents the queried domain name as it appears in the DNS query.
-          If the name contains non-ASCII characters, it will be encoded using Punycode as per
-          [RFC 3492](https://datatracker.ietf.org/doc/html/rfc3492), but no additional normalization
-          is required. The name should be recorded as provided to the DNS resolution function.
+          The name represents the queried domain name as it appears in the DNS query
+          without any additional normalization.
       - id: dns.answers
         type: string[]
         stability: development