net: fix example IPv4 in dns docs

PR-URL: #51377
Reviewed-By: Matteo Collina <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Paolo Insogna <[email protected]>

Author: Uzlopak

doc/api/dns.md

@@ -167,9 +167,9 @@ section if a custom port is used.
 
 ```js
 [
-  '4.4.4.4',
+  '8.8.8.8',
   '2001:4860:4860::8888',
-  '4.4.4.4:1053',
+  '8.8.8.8:1053',
   '[2001:4860:4860::8888]:1053',
 ]
 ```
@@ -818,9 +818,9 @@ addresses. If the port is the IANA default DNS port (53) it can be omitted.
 
 ```js
 dns.setServers([
-  '4.4.4.4',
+  '8.8.8.8',
   '[2001:4860:4860::8888]',
-  '4.4.4.4:1053',
+  '8.8.8.8:1053',
   '[2001:4860:4860::8888]:1053',
 ]);
 ```
@@ -935,9 +935,9 @@ section if a custom port is used.
 
 ```js
 [
-  '4.4.4.4',
+  '8.8.8.8',
   '2001:4860:4860::8888',
-  '4.4.4.4:1053',
+  '8.8.8.8:1053',
   '[2001:4860:4860::8888]:1053',
 ]
 ```
@@ -1385,9 +1385,9 @@ addresses. If the port is the IANA default DNS port (53) it can be omitted.
 
 ```js
 dnsPromises.setServers([
-  '4.4.4.4',
+  '8.8.8.8',
   '[2001:4860:4860::8888]',
-  '4.4.4.4:1053',
+  '8.8.8.8:1053',
   '[2001:4860:4860::8888]:1053',
 ]);
 ```