diff --git a/db/tldInfo.db b/db/tldInfo.db
index 109b269..9783571 100644
Binary files a/db/tldInfo.db and b/db/tldInfo.db differ
diff --git a/models/tldQuery.php b/models/tldQuery.php
new file mode 100644
index 0000000..77ccc62
--- /dev/null
+++ b/models/tldQuery.php
@@ -0,0 +1,103 @@
+<?php
+
+class tldQueryEntry {
+    private $tldDB = './db/tldInfo.db';
+
+    private function getTldInfo($tld) {
+        $db = new SqliteDB($this->tldDB);
+        $res = $db->query('SELECT * FROM `iana` WHERE tld="' . $tld . '";');
+        $info = $res->fetchArray(SQLITE3_ASSOC);
+        if (!$info) { return null; }
+        $info['manager'] = json_decode(base64_decode($info['manager']), true);
+        $info['admin_contact'] = json_decode(base64_decode($info['admin_contact']), true);
+        $info['tech_contact'] = json_decode(base64_decode($info['tech_contact']), true);
+        $info['nameserver'] = json_decode(base64_decode($info['nameserver']), true);
+        return $info;
+    }
+
+    private function genMessage($info) {
+        $msg = '`' . $info['tld'] . '` `(` `' . $info['type'] . '` `)`' . PHP_EOL;
+        if (count($info['manager']) !== 0) {
+            $msg .= '*Manager:*' . PHP_EOL;
+            foreach ($info['manager']['name'] as $row) {
+                $msg .= '  ' . $row . PHP_EOL;
+            }
+            foreach ($info['manager']['addr'] as $row) {
+                $msg .= '  _' . $row . '_' . PHP_EOL;
+            }
+        }
+        if (count($info['admin_contact']) !== 0) {
+            $contact = $info['admin_contact'];
+            $msg .= '*Administrative Contact*' . PHP_EOL;
+            $msg .= '  ' . $contact['name'] . PHP_EOL;
+            $msg .= '  ' . $contact['org'] . PHP_EOL;
+            foreach ($contact['addr'] as $row) {
+                $msg .= '  _' . $row . '_' . PHP_EOL;
+            }
+            if ($contact['email'] != '') {
+                $msg .= '  Email: _' . $contact['email'] . '_' . PHP_EOL;
+            }
+            if ($contact['voice'] != '') {
+                $msg .= '  Voice: _' . $contact['voice'] . '_' . PHP_EOL;
+            }
+            if ($contact['fax'] != '') {
+                $msg .= '  Fax: _' . $contact['fax'] . '_' . PHP_EOL;
+            }
+        }
+        if (count($info['tech_contact']) !== 0) {
+            $contact = $info['tech_contact'];
+            $msg .= '*Technical Contact*' . PHP_EOL;
+            $msg .= '  ' . $contact['name'] . PHP_EOL;
+            $msg .= '  ' . $contact['org'] . PHP_EOL;
+            foreach ($contact['addr'] as $row) {
+                $msg .= '  _' . $row . '_' . PHP_EOL;
+            }
+            if ($contact['email'] != '') {
+                $msg .= '  Email: _' . $contact['email'] . '_' . PHP_EOL;
+            }
+            if ($contact['voice'] != '') {
+                $msg .= '  Voice: _' . $contact['voice'] . '_' . PHP_EOL;
+            }
+            if ($contact['fax'] != '') {
+                $msg .= '  Fax: _' . $contact['fax'] . '_' . PHP_EOL;
+            }
+        }
+        if (count($info['nameserver']) !== 0) {
+            $nameserver = $info['nameserver'];
+            $msg .= '*Name Servers*' . PHP_EOL;
+            foreach ($nameserver as $host => $ips) {
+                $msg .= '  `' . $host . '`' . PHP_EOL;
+                foreach ($ips as $ip) {
+                    $msg .= '    `' . $ip . '`' . PHP_EOL;
+                }
+            }
+        }
+        if ($info['website'] != '') {
+            $msg .= '*Website:* ' . $info['website'] . PHP_EOL;
+        }
+        if ($info['whois'] != '') {
+            $msg .= '*Whois Server:* `' . $info['whois'] . '`' . PHP_EOL;
+        }
+        $msg .= '*Registration date:* _' . $info['regist_date'] . '_' . PHP_EOL;
+        $msg .= '*Record last updated:* _' . $info['last_updated'] . '_' . PHP_EOL;
+        return $msg;
+    }
+
+    public function query($rawParam) { // TLD数据查询入口
+        if (substr($rawParam, 0, 1) !== '.') { // 补上.
+            $rawParam = '.' . $rawParam;
+        }
+        $info = $this->getTldInfo($rawParam);
+        if (!$info) {
+            tgApi::sendMarkdown('`' . $rawParam . '`' . PHP_EOL . 'TLD not found');
+            return;
+        }
+        tgApi::sendMessage(array(
+            'text' => $this->genMessage($info),
+            'parse_mode' => 'Markdown', // Markdown格式输出
+            'disable_web_page_preview' => 'true' // 不显示页面预览
+        ));
+    }
+}
+
+?>
diff --git a/route.php b/route.php
index 14f1e20..7ab187c 100644
--- a/route.php
+++ b/route.php
@@ -6,6 +6,7 @@ require_once 'models/cfopPic.php';
 require_once 'models/kmsCheck.php';
 require_once 'models/ntpCheck.php';
 require_once 'models/icpQuery.php';
+require_once 'models/tldQuery.php';
 require_once 'models/punycode.php';
 require_once 'models/whoisQuery.php';
 
@@ -21,6 +22,8 @@ function cmdRoute($cmd) { // 命令功能模块路由
             return (new ntpCheckEntry);
         case '/icp':
             return (new icpQueryEntry);
+        case '/tld':
+            return (new tldQueryEntry);
         case '/cfop':
             return (new cfopPicEntry);
         case '/whois':