fix: use md-k6:skipall

Author: oleiade

docs/sources/k6/next/javascript-api/k6-x-dns/_index.md

@@ -42,9 +42,9 @@ The extension automatically generates the following metrics:
 
 ## Examples
 
-### Basic DNS resolution with custom server
+<!-- md-k6:skipall -->
 
-<!-- md-k6:skip -->
+### Basic DNS resolution with custom server
 
 ```javascript
 import dns from 'k6/x/dns';
@@ -58,8 +58,6 @@ export default async function () {
 
 ### DNS lookup using system defaults
 
-<!-- md-k6:skip -->
-
 ```javascript
 import dns from 'k6/x/dns';
 
@@ -72,7 +70,6 @@ export default async function () {
 
 ### Comprehensive DNS testing
 
-<!-- md-k6:skip -->
 
 ```javascript
 import dns from 'k6/x/dns';

docs/sources/k6/next/javascript-api/k6-x-dns/lookup.md

@@ -29,9 +29,9 @@ These metrics help you monitor DNS performance using your system's DNS configura
 
 ## Examples
 
-### Basic lookup
+<!-- md-k6:skipall -->
 
-<!-- md-k6:skip -->
+### Basic lookup
 
 ```javascript
 import dns from 'k6/x/dns';
@@ -46,8 +46,6 @@ export default async function () {
 
 ### Comparing system vs custom DNS
 
-<!-- md-k6:skip -->
-
 ```javascript
 import dns from 'k6/x/dns';
 import { expect } from 'https://jslib.k6.io/k6-testing/{{< param "JSLIB_TESTING_VERSION" >}}/index.js';
@@ -76,8 +74,6 @@ export default async function () {
 
 ### Testing DNS consistency
 
-<!-- md-k6:skip -->
-
 ```javascript
 import dns from 'k6/x/dns';
 import { expect } from 'https://jslib.k6.io/k6-testing/{{< param "JSLIB_TESTING_VERSION" >}}/index.js';
@@ -107,8 +103,6 @@ export default async function () {
 
 ### Load testing with system DNS
 
-<!-- md-k6:skip -->
-
 ```javascript
 import dns from 'k6/x/dns';
 import { sleep } from 'k6';
@@ -159,8 +153,6 @@ export default async function () {
 
 ### Validating DNS configuration
 
-<!-- md-k6:skip -->
-
 ```javascript
 import dns from 'k6/x/dns';
 import { expect } from 'https://jslib.k6.io/k6-testing/{{< param "JSLIB_TESTING_VERSION" >}}/index.js';
@@ -199,8 +191,6 @@ The `lookup` function may throw errors in the following cases:
 - No DNS servers configured on the system
 - Network connectivity issues
 
-<!-- md-k6:skip -->
-
 ```javascript
 import dns from 'k6/x/dns';
 

docs/sources/k6/next/javascript-api/k6-x-dns/resolve.md

@@ -22,9 +22,9 @@ A promise resolving to an array of strings, where each string is an IP address t
 
 ## Examples
 
-### Basic A record resolution
+<!-- md-k6:skipall -->
 
-<!-- md-k6:skip -->
+### Basic A record resolution
 
 ```javascript
 import dns from 'k6/x/dns';
@@ -39,8 +39,6 @@ export default async function () {
 
 ### AAAA record resolution
 
-<!-- md-k6:skip -->
-
 ```javascript
 import dns from 'k6/x/dns';
 
@@ -54,8 +52,6 @@ export default async function () {
 
 ### Testing multiple DNS servers
 
-<!-- md-k6:skip -->
-
 ```javascript
 import dns from 'k6/x/dns';
 import { expect } from 'https://jslib.k6.io/k6-testing/{{< param "JSLIB_TESTING_VERSION" >}}/index.js';
@@ -91,8 +87,6 @@ export default async function () {
 
 ### Performance comparison
 
-<!-- md-k6:skip -->
-
 ```javascript
 import dns from 'k6/x/dns';
 import { Trend } from 'k6/metrics';
@@ -130,8 +124,6 @@ The `resolve` function may throw errors in the following cases:
 - DNS server returns an error response
 
 
-<!-- md-k6:skip -->
-
 ```javascript
 import dns from 'k6/x/dns';