feat(webapp): clarify where to forward NS/DS delegation info to

webapp/src/views/Console/DomainDetailsDialog.vue

@@ -24,7 +24,9 @@
       </v-alert>
       <v-card-text>
         <p>
-          To properly secure your domain with DNSSEC, please forward the following information to your domain registrar:
+          Please forward the following information to the organization/person where you bought the domain
+          <code>{{name}}</code>
+          (usually your provider or technical administrator):
         </p>
         <v-layout flex align-end>
           <div class="caption font-weight-medium">NS records</div>

webapp/src/views/CustomSetup.vue

@@ -26,7 +26,10 @@
             </p>
             <h2 class="title">Secure Your Domain</h2>
             <p>
-              To properly secure your domain with DNSSEC, please forward the following information to your domain registrar:</p>
+              Please forward the following information to the organization/person where you bought the domain
+              <code>{{$route.params.domain}}</code>
+              (usually your provider or technical administrator):
+            </p>
             <v-layout flex align-end>
               <div class="caption font-weight-medium">NS records</div>
               <v-spacer></v-spacer>