diff --git a/src/App/Controller/AbstractIPListController.php b/src/App/Controller/AbstractIPListController.php
index 2bd70c7..42d27fc 100644
--- a/src/App/Controller/AbstractIPListController.php
+++ b/src/App/Controller/AbstractIPListController.php
@@ -6,6 +6,7 @@ use Amp\ByteStream\BufferException;
 use Amp\Http\Server\Request;
 
 use OpenCCK\App\Service\IPListService;
+use OpenCCK\Domain\Entity\Site;
 use OpenCCK\Infrastructure\API\App;
 
 use Monolog\Logger;
@@ -32,4 +33,16 @@ abstract class AbstractIPListController extends AbstractController {
      * @return string
      */
     abstract public function getBody(): string;
+
+    /**
+     * @return array<string, Site>
+     */
+    protected function getSites(): array {
+        $wildcard = !!($this->request->getQueryParameter('wildcard') ?? '');
+        return array_map(static function (Site $siteEntity) use ($wildcard) {
+            $site = clone $siteEntity;
+            $site->domains = $siteEntity->getDomains($wildcard);
+            return $site;
+        }, $this->service->sites);
+    }
 }
diff --git a/src/App/Controller/JsonController.php b/src/App/Controller/JsonController.php
index 87aaf68..339f0da 100644
--- a/src/App/Controller/JsonController.php
+++ b/src/App/Controller/JsonController.php
@@ -16,9 +16,9 @@ class JsonController extends AbstractIPListController {
         $data = $this->request->getQueryParameter('data') ?? '';
 
         if (count($sites)) {
-            $items = array_filter($this->service->sites, fn(Site $siteEntity) => in_array($siteEntity->name, $sites));
+            $items = array_filter($this->getSites(), fn(Site $siteEntity) => in_array($siteEntity->name, $sites));
         } else {
-            $items = $this->service->sites;
+            $items = $this->getSites();
         }
         return json_encode($data == '' ? $items : array_map(fn(Site $siteEntity) => $siteEntity->$data, $items));
     }
diff --git a/src/App/Controller/MikrotikController.php b/src/App/Controller/MikrotikController.php
index e68a939..4bcebee 100644
--- a/src/App/Controller/MikrotikController.php
+++ b/src/App/Controller/MikrotikController.php
@@ -20,10 +20,10 @@ class MikrotikController extends AbstractIPListController {
         $response = [];
         if (count($sites)) {
             foreach ($sites as $site) {
-                $response = array_merge($response, $this->generateList($site, $this->service->sites[$site]->$data));
+                $response = array_merge($response, $this->generateList($site, $this->getSites()[$site]->$data));
             }
         } else {
-            foreach ($this->service->sites as $siteEntity) {
+            foreach ($this->getSites() as $siteEntity) {
                 $response = array_merge($response, $this->generateList($siteEntity->name, $siteEntity->$data));
             }
         }
diff --git a/src/App/Controller/SwitchyController.php b/src/App/Controller/SwitchyController.php
index bcba245..22af609 100644
--- a/src/App/Controller/SwitchyController.php
+++ b/src/App/Controller/SwitchyController.php
@@ -37,11 +37,11 @@ class SwitchyController extends AbstractIPListController {
             foreach ($sites as $site) {
                 $domains = array_merge(
                     $domains,
-                    array_map($this->wildcardFormat(...), $this->service->sites[$site]->$data)
+                    array_map($this->wildcardFormat(...), $this->getSites()[$site]->$data)
                 );
             }
         } else {
-            foreach ($this->service->sites as $siteEntity) {
+            foreach ($this->getSites() as $siteEntity) {
                 $domains = array_merge($domains, array_map($this->wildcardFormat(...), $siteEntity->$data));
             }
         }
diff --git a/src/App/Controller/TextController.php b/src/App/Controller/TextController.php
index 954cc14..b6d9fbb 100644
--- a/src/App/Controller/TextController.php
+++ b/src/App/Controller/TextController.php
@@ -21,10 +21,10 @@ class TextController extends AbstractIPListController {
         $response = [];
         if (count($sites)) {
             foreach ($sites as $site) {
-                $response = array_merge($response, $this->service->sites[$site]->$data);
+                $response = array_merge($response, $this->getSites()[$site]->$data);
             }
         } else {
-            foreach ($this->service->sites as $siteEntity) {
+            foreach ($this->getSites() as $siteEntity) {
                 $response = array_merge($response, $siteEntity->$data);
             }
         }
diff --git a/src/App/Template/IndexTemplate.php b/src/App/Template/IndexTemplate.php
index 0b6cbb8..1894980 100644
--- a/src/App/Template/IndexTemplate.php
+++ b/src/App/Template/IndexTemplate.php
@@ -601,6 +601,14 @@ use OpenCCK\App\Controller\TextController;
         }
         .main-formSelect {}
         .main-formSelect_site {}
+        .main-formItemCheckbox {
+            margin: 0 6px 0 0;
+        }
+        .main-formItemCheckboxLabel {
+            line-height: 1;
+            font-size: 14px;
+            font-weight: normal;
+        }
     </style>
 </head>
 <body>
@@ -639,6 +647,10 @@ use OpenCCK\App\Controller\TextController;
                     </span>
                     <span class="main-formItemComment">Don't choose sites if you want to get everything</span>
                 </label>
+                <label class="main-formItem main-formItem_wide">
+                    <input class="main-formItemCheckbox" type="checkbox" name="wildcard" value="1" />
+                    <span class="main-formItemCheckboxLabel">Only wildcard domains</span>
+                </label>
             </section>
             <section>
                 <button type="submit">Submit</button>
diff --git a/src/Domain/Factory/SiteFactory.php b/src/Domain/Factory/SiteFactory.php
index 153b913..3abcedb 100644
--- a/src/Domain/Factory/SiteFactory.php
+++ b/src/Domain/Factory/SiteFactory.php
@@ -5,9 +5,20 @@ namespace OpenCCK\Domain\Factory;
 use OpenCCK\Domain\Entity\Site;
 use OpenCCK\Domain\Helper\IP4Helper;
 use OpenCCK\Domain\Helper\IP6Helper;
+use OpenCCK\Infrastructure\API\App;
 use stdClass;
 
 class SiteFactory {
+    // prettier-ignore
+    const TWO_LEVEL_DOMAIN_ZONES = [
+        "exnet.su","net.ru","org.ru","pp.ru","ru.net","com.ru",
+        "co.bw","co.ck","co.fk","co.id","co.il","co.in","co.ke","co.ls","co.mz","co.no","co.nz","co.th","co.tz","co.uk","co.uz","co.za","co.zm","co.zw",
+        "co.ae","co.at", "co.cr", "co.hu","co.jp", "co.kr", "co.ma", "co.ug", "co.ve",
+        "com.az","com.bh","com.bo","com.by","com.co","com.do","com.ec","com.ee","com.es","com.gr","com.hn","com.hr","com.jo","com.lv","com.ly","com.mk","com.mx","com.my","com.pe","com.ph","com.pk","com.pt","com.ro","com.tn",
+        "com.ai","com.ar","com.au","com.bd","com.bn","com.br","com.cn","com.cy","com.eg","com.et","com.fj","com.gh","com.gn","com.gt","com.gu","com.hk","com.jm","com.kh","com.kw","com.lb","com.lr","com.mt","com.mv","com.ng","com.ni","com.np","com.nr","com.om","com.pa","com.pl","com.py","com.qa","com.sa","com.sb","com.sg","com.sv","com.sy","com.tr","com.tw","com.ua","com.uy","com.ve","com.vi","com.vn","com.ye",
+        "in.ua","kiev.ua","me.uk","net.cn","org.cn","org.uk","radio.am","radio.fm","eu.com"
+    ];
+
     /**
      * @param string $name Name of portal
      * @param object $config Configuration of portal
@@ -27,30 +38,35 @@ class SiteFactory {
         if (isset($external)) {
             if (isset($external->domains)) {
                 foreach ($external->domains as $url) {
+                    App::getLogger()->debug('Loading external domains from ' . $url);
                     $domains = array_merge($domains, explode("\n", file_get_contents($url)));
                 }
             }
 
             if (isset($external->ip4)) {
                 foreach ($external->ip4 as $url) {
+                    App::getLogger()->debug('Loading external ip4 from ' . $url);
                     $ip4 = array_merge($ip4, explode("\n", file_get_contents($url)));
                 }
             }
 
             if (isset($external->ip6)) {
                 foreach ($external->ip6 as $url) {
+                    App::getLogger()->debug('Loading external ip6 from ' . $url);
                     $ip6 = array_merge($ip6, explode("\n", file_get_contents($url)));
                 }
             }
 
             if (isset($external->cidr4)) {
                 foreach ($external->cidr4 as $url) {
+                    App::getLogger()->debug('Loading external cidr4 from ' . $url);
                     $cidr4 = array_merge($cidr4, explode("\n", file_get_contents($url)));
                 }
             }
 
             if (isset($external->cidr6)) {
                 foreach ($external->cidr6 as $url) {
+                    App::getLogger()->debug('Loading external cidr6 from ' . $url);
                     $cidr6 = array_merge($cidr6, explode("\n", file_get_contents($url)));
                 }
             }