FIX: consistent titles

frontend/src/views/dnsvs/DomainInspect.vue

 <template>
   <div class="DomainInspect">
-    <h1>FQDN '<span v-if="$route.params.fqdn === '$'">.</span><span
-      v-if="$route.params.fqdn !== '$'">{{ $route.params.fqdn }}</span>'
+    <h1><span v-if="$route.params.fqdn === '$'">.</span><span
+      v-if="$route.params.fqdn !== '$'">{{ $route.params.fqdn }}</span> <small class="text-muted">FQDN</small>
     </h1>
     <FQDNTable :fqdns="fqdns"></FQDNTable>
   </div>