diff --git a/DnsServerCore/www/index.html b/DnsServerCore/www/index.html
index b77eb948..bbc01ae7 100644
--- a/DnsServerCore/www/index.html
+++ b/DnsServerCore/www/index.html
@@ -995,6 +995,13 @@
                                                                     </label>
                                                                 </div>
                                                                 <div style="padding-top: 5px; padding-left: 20px;">Enables <a href="https://tools.ietf.org/html/draft-ietf-dnsop-rfc7816bis-04" target="_blank">QNAME minimization</a> for recursive resolution to improve privacy.</div>
+
+                                                                <div class="checkbox">
+                                                                    <label>
+                                                                        <input id="chkNsRevalidation" type="checkbox"> NS Revalidation
+                                                                    </label>
+                                                                </div>
+                                                                <div style="padding-top: 5px; padding-left: 20px;">Enables <a href="https://datatracker.ietf.org/doc/draft-ietf-dnsop-ns-revalidation/" target="_blank">Delegation Revalidation</a> for recursive resolution.</div>
                                                             </div>
                                                         </div>