Use "server name" instead of "DNS name" to avoid confusion

changelogs/server_server/newsfragments/1946.clarification

@@ -0,0 +1 @@
+ Use "server name" instead of "DNS name" to avoid confusion with the "DNS name" component of "server names" as defined in the appendices.

data/api/server-server/definitions/keys.yaml

@@ -19,7 +19,7 @@ example:
 properties:
   server_name:
     type: string
-    description: DNS name of the homeserver.
+    description: The homeserver's [server name](/appendices/#server-name).
     example: "example.org"
   verify_keys:
     type: object

data/api/server-server/joins-v1.yaml

@@ -341,7 +341,7 @@ paths:
                       properties:
                         origin:
                           type: string
-                          description: The resident server's DNS name.
+                          description: The resident server's [server name](/appendices/#server-name).
                         auth_chain:
                           type: array
                           description: |-

data/api/server-server/joins-v2.yaml

@@ -162,7 +162,7 @@ paths:
                 properties:
                   origin:
                     type: string
-                    description: The resident server's DNS name.
+                    description: The resident server's [server name](/appendices/#server-name).
                   members_omitted:
                     type: boolean
                     description: "`true` if `m.room.member` events have been omitted from `state`."

data/api/server-server/keys_query.yaml

@@ -26,7 +26,7 @@ paths:
       parameters:
         - in: path
           name: serverName
-          description: The server's DNS name to query
+          description: The [server name](/appendices/#server-name) to query
           required: true
           example: matrix.org
           schema:

data/api/server-server/query.yaml

@@ -45,7 +45,8 @@ paths:
       description: |-
         Performs a query to get the mapped room ID and list of resident homeservers in
         the room for a given room alias. Homeservers should only query room aliases
-        that belong to the target server (identified by the DNS Name in the alias).
+        that belong to the target server (identified by the [server name](/appendices/#server-name)
+        in the alias).
 
         Servers may wish to cache the response to this query to avoid requesting the
         information too often.
@@ -111,7 +112,8 @@ paths:
       description: |-
         Performs a query to get profile information, such as a display name or avatar,
         for a given user. Homeservers should only query profiles for users that belong
-        to the target server (identified by the DNS Name in the user ID).
+        to the target server (identified by the [server name](/appendices/#server-name)
+        in the user ID).
 
         Servers may wish to cache the response to this query to avoid requesting the
         information too often.