diff --git a/public/assets/js/app.js b/public/assets/js/app.js
index 7be32ac..c56f48c 100644
--- a/public/assets/js/app.js
+++ b/public/assets/js/app.js
@@ -52,8 +52,8 @@
 			proxy_pass:		'http://127.0.0.1:3000',
 
 			// ROUTING
-			root:				true,
-			index:				'index.php',
+			root:			true,
+			index:			'index.php',
 			fallback_html:		false,
 			fallback_php:		true,
 			fallback_php_path:	'/api/',
@@ -64,47 +64,57 @@
 			error_log_domain:	false,
 		}],
 
+
 		// COMMON - HTTPS
 		ssl_profile:			'modern',
-		resolver_cloudflare:	true,
+		resolver_cloudflare:		true,
 		resolver_google:		true,
 		resolver_opendns:		true,
+		resolver_quad9:			false,
+		resolver_verisign:		false,
+
 
 		// COMMON - SECURITY
-		referrer_policy:			'no-referrer-when-downgrade',
+		referrer_policy:		'no-referrer-when-downgrade',
 		content_security_policy:	'default-src * data: \'unsafe-eval\' \'unsafe-inline\'',
-		server_tokens:				false,
-		limit_req:					false,
+		server_tokens:			false,
+		limit_req:			false,
+
 
 		// COMMON - PHP
-		php_server:			'/var/run/php/php7.2-fpm.sock',
+		php_server:		'/var/run/php/php7.2-fpm.sock',
 		php_server_backup:	'',
 
+
 		// COMMON - PYTHON
 		python_server:		'/tmp/uwsgi.sock',
 
+
 		// COMMON - PERFORMANCE
-		gzip:				true,
-		brotli:				false,
+		gzip:			true,
+		brotli:			false,
 		expires_assets:		'7d',
 		expires_media:		'7d',
 		expires_svg:		'7d',
 		expires_fonts:		'7d',
 
+
 		// COMMON - LOGGING
-		access_log:			'/var/log/nginx/access.log',
-		error_log:			'/var/log/nginx/error.log warn',
+		access_log:		'/var/log/nginx/access.log',
+		error_log:		'/var/log/nginx/error.log warn',
 		log_not_found:		false,
 
+
 		// COMMON - NGINX
-		worker_processes:		'auto',
-		user:					'www-data',
-		pid:					'/run/nginx.pid',
+		worker_processes:	'auto',
+		user:			'www-data',
+		pid:			'/run/nginx.pid',
 		client_max_body_size:	16,
 
+
 		// COMMON - TOOLS
 		file_structure:		'modularized',
-		symlink:			true,
+		symlink:		true,
 	};
 
 
@@ -925,6 +935,14 @@
 			return $scope.hasHTTPS() && $scope.data.resolver_opendns;
 		};
 
+		$scope.isResolverQuad9 = function() {
+			return $scope.hasHTTPS() && $scope.data.resolver_quad9;
+		};
+
+		$scope.isResolverVerisign = function() {
+			return $scope.hasHTTPS() && $scope.data.resolver_verisign;
+		};
+
 
 
 		// COMMON - SECURITY
@@ -947,8 +965,6 @@
 			return $scope.hasPHP() && !!$scope.data.php_server_backup;
 		};
 
-
-
 		// COMMON - PERFORMANCE
 		$scope.isGzip = function() {
 			return $scope.data.gzip;
@@ -958,8 +974,6 @@
 			return $scope.data.brotli;
 		};
 
-
-
 		// COMMON - LOGGING
 		$scope.isAccessLog = function() {
 			return !!$scope.data.access_log;
diff --git a/public/index.html b/public/index.html
index 7535011..5b9cb51 100644
--- a/public/index.html
+++ b/public/index.html
@@ -634,6 +634,14 @@
 												<input class="form-check-input" type="checkbox" id="resolver_opendns" ng-model="data.resolver_opendns">
 												<label class="form-check-label col-form-label-sm" for="resolver_opendns" tooltips tooltip-template="<code>208.67.222.222, 208.67.220.220</code>" tooltip-side="top">OpenDNS</label>
 											</div>
+											<div class="form-check form-check-inline" ng-class="{ 'input-changed': data.resolver_quad9 !== defaultData.resolver_quad9 }">
+												<input class="form-check-input" type="checkbox" id="resolver_quad9" ng-model="data.resolver_quad9">
+												<label class="form-check-label col-form-label-sm" for="resolver_quad9" tooltips tooltip-template="<code>9.9.9.9, 149.112.112.112</code>" tooltip-side="top">Quad9</label>
+											</div>
+											<div class="form-check form-check-inline" ng-class="{ 'input-changed': data.resolver_verisign !== defaultData.resolver_verisign }">
+												<input class="form-check-input" type="checkbox" id="resolver_verisign" ng-model="data.resolver_verisign">
+												<label class="form-check-label col-form-label-sm" for="resolver_verisign" tooltips tooltip-template="<code>64.6.64.6, 64.6.65.6</code>" tooltip-side="top">Verisign</label>
+											</div>
 										</div>
 									</div>
 								</div>
diff --git a/public/templates/conf/nginx.conf.html b/public/templates/conf/nginx.conf.html
index 3c35e79..f18a263 100644
--- a/public/templates/conf/nginx.conf.html
+++ b/public/templates/conf/nginx.conf.html
@@ -4,7 +4,7 @@
 # {{ getUrl() }}</span>
 
 user {{ data.user }};
-pid {{ data.pid}};
+pid {{ data.pid }};
 worker_processes {{ data.worker_processes }};
 worker_rlimit_nofile 65535;
 
@@ -73,7 +73,9 @@ http {<!--
 	resolver {{
 		(isResolverCloudflare() ? '1.1.1.1 1.0.0.1 ' : '') +
 		(isResolverGoogle() ? '8.8.8.8 8.8.4.4 ' : '') +
-		(isResolverOpenDNS() ? '208.67.222.222 208.67.220.220 ' : '')
+		(isResolverOpenDNS() ? '208.67.222.222 208.67.220.220 ' : '') +
+		(isResolverQuad9() ? '9.9.9.9 149.112.112.112 ' : '') +
+		(isResolverVerisign() ? '64.6.64.6 64.6.65.6 ' : '')
 	}}valid=60s;
 	resolver_timeout 2s;</span></span>