musician alert on domains-detail

orchestra/contrib/musician/templates/musician/domain_detail.html

@@ -19,6 +19,15 @@
 
 <p class="service-description">{% trans "DNS settings page description." %}</p>
 
+
+<div class="alert alert-danger" role="alert">
+  {% blocktrans %}
+    <h5 class="alert-heading">IMPORTANT NOTICE!!!</h5>
+      DNS records control the functioning of your domain, and therefore your websites, email addresses, mailing lists, etc.<br>
+      If you do not have the necessary knowledge about this topic, do not make changes in this section. It is dangerous!
+  {% endblocktrans %}
+</div>
+
 <table class="table service-list">
     <colgroup>
       <col span="1" style="width: 12%;">