Added information about the CNAME record

app/views/projects/pages_domains/show.html.haml

@@ -10,6 +10,14 @@
         Domain
       %td
         = link_to @domain.domain, @domain.url
+    %tr
+      %td
+        DNS
+      %td
+        %p
+          To access the domain create a new DNS record:
+        %pre
+          #{@domain.domain} CNAME #{@domain.project.namespace.path}.#{Settings.pages.host}.
     %tr
       %td
         Certificate