diff --git a/src/Std/Lib/Openprovider.php b/src/Std/Lib/Openprovider.php
index d53e7c9..53ab32d 100644
--- a/src/Std/Lib/Openprovider.php
+++ b/src/Std/Lib/Openprovider.php
@@ -69,7 +69,8 @@ class Openprovider {
    */
   public function login(): Result {
     if (!OPENPROVIDER_ENABLED) return Result::error('エラー：OpenProviderは無効です。');
-    $cache = $this->getCache('login');
+    $cacheName = 'login';
+    $cache = $this->getCache($cacheName);
     if (time() < ($this->lastAuth + $this->tokenDuration)) {
       $this->token = $cache['data']['token'];
       $this->lastAuth = $cache['last_auth'];
@@ -109,7 +110,7 @@ class Openprovider {
       $this->token = $res['data']['token'];
       $this->lastAuth = time();
       $res['last_auth'] = $this->lastAuth;
-      $this->setCache('login', $res);
+      $this->setCache($cacheName, $res);
 
       return Result::Success('', $res);
     }
@@ -149,13 +150,14 @@ class Openprovider {
    */
   public function listDomains(array $query = []): Result {
     if (!OPENPROVIDER_ENABLED) return Result::error('エラー：OpenProviderは無効です。');
-    $cache = $this->getCache('listdomains');
+    $cacheName = 'listdomains'
+    $cache = $this->getCache($cacheName);
     if ($this->isValidLifespan($cache, $query)) return Result::Success('', $cache);
 
     $curl = $this->setupCurl('/domains');
     $res = $this->curlResult($curl);
     if (isset($res['data']['results'])) {
-      $this->setCache('listdomains', $res->data);
+      $this->setCache($cacheName, $res->data);
       return Result::Success('', $res['data']['results']);
     }
 
@@ -400,7 +402,8 @@ class Openprovider {
    */
   public function listTlds(array $query = []): Result {
     if (!OPENPROVIDER_ENABLED) return Result::error('エラー：OpenProviderは無効です。');
-    $cache = $this->getCache('listtlds');
+    $cacheName = 'listtlds';
+    $cache = $this->getCache($cacheName);
     if ($this->isValidLifespan($cache)) return Result::Success('', $cache);
 
     if (empty($query)) $query = [ 'limit' => 10, 'offset' => 0, 'order' => 'ASC' ];
@@ -410,7 +413,7 @@ class Openprovider {
     $curl = $this->setupCurl($uri);
     $res = $this->curlResult($curl);
     if (isset($res->data['data'])) {
-      $this->setCache('listtlds', $res->data);
+      $this->setCache($cacheName, $res->data);
       return Result::Success('', $res->data);
     }
 
@@ -556,7 +559,251 @@ class Openprovider {
   }
 
   //// ネームサーバー
+
+  /**
+   * ネームサーバー一覧
+   * @todo  テスト
+   *
+   * @param array $query
+   * @return Result
+   */
+  public function listNameservers(array $query = []): Result {
+    if (!OPENPROVIDER_ENABLED) return Result::error('エラー：OpenProviderは無効です。');
+    $cacheName = 'listnameservers';
+    $cache = $this->getCache($cacheName);
+    if ($this->isValidLifespan($cache, $query)) return Result::Success('', $cache);
+
+    if (empty($query)) $query = [ 'limit' => 25, 'offset' => 0, 'order_by.name' => 'asc' ];
+    foreach ($query as $k => $v) if (is_bool($v)) $query[$k] = $v ? 'true' : 'false';
+
+    $uri = "/dns/nameservers?".http_build_query($query, '', '&', PHP_QUERY_RFC3986);
+    $curl = $this->setupCurl($uri);
+    $res = $this->curlResult($curl);
+    if (isset($res->data['data'])) {
+      $this->setCache($cacheName, $res->data);
+      return Result::Success('', $res->data);
+    }
+
+    return Result::Error('ネームサーバー一覧の受け取りに失敗。');
+  }
+
+  /**
+   * ネームサーバーの作成
+   * @todo  テスト
+   *
+   * @param array $payload  フォームデータ
+   * @return Result
+   */
+  public function createNameserver(array $payload = []): Result {
+    if (!OPENPROVIDER_ENABLED) return Result::error('エラー：OpenProviderは無効です。');
+
+    $uri = '/dns/nameservers';
+    $curl = $this->setupCurl($uri, 'POST', $payload);
+    $res = $this->curlResult($curl);
+    if (isset($res->data['data'])) {
+      $this->murderCache('listnameservers');
+      return Result::Success('ネームサーバーの追加に成功。', $res->data);
+    }
+
+    return Result::Error('ネームサーバーの追加に失敗。');
+  }
+
+  /**
+   * ネームサーバー一覧
+   * @todo  テスト
+   *
+   * @param string $domain  ドメイン名
+   * @param array $query  検索クエリー
+   * @return Result
+   */
+  public function getNameserver(string $domain, array $query = []): Result {
+    if (!OPENPROVIDER_ENABLED) return Result::error('エラー：OpenProviderは無効です。');
+    $cacheName = "listnameserver-{$domain}";
+    $cache = $this->getCache($cacheName);
+    if ($this->isValidLifespan($cache)) return Result::Success('', $cache);
+
+    if (empty($query)) $query = [ 'limit' => 100, 'offset' => 0, 'order_by.name' => 'asc' ];
+    foreach ($query as $k => $v) if (is_bool($v)) $query[$k] = $v ? 'true' : 'false';
+
+    $uri = "/dns/nameservers/{$domain}?".http_build_query($query, '', '&', PHP_QUERY_RFC3986);
+    $curl = $this->setupCurl($uri);
+    $res = $this->curlResult($curl);
+    if (isset($res->data['data'])) {
+      $this->setCache($cacheName, $res->data);
+      return Result::Success('', $res->data);
+    }
+
+    return Result::Error('ネームサーバー一覧の受け取りに失敗。');
+  }
+
+  /**
+   * ネームサーバーの更新
+   * @todo  テスト
+   *
+   * @param string $domain  ドメイン名
+   * @param array $payload  フォームデータ
+   * @return Result
+   */
+  public function updateNameserver(string $domain, array $payload = []): Result {
+    if (!OPENPROVIDER_ENABLED) return Result::error('エラー：OpenProviderは無効です。');
+
+    $uri = "/dns/nameservers/{$domain}";
+    $curl = $this->setupCurl($uri, 'PUT', $payload);
+    $res = $this->curlResult($curl);
+    if (isset($res->data['data'])) {
+      $this->murderCache('listnameservers');
+      $this->murderCache("listnameserver-{$domain}");
+      if ($res->data['data']['success']) return Result::Success('ネームサーバーの更新に成功。', $res->data);
+    }
+
+    return Result::Error('ネームサーバーの更新に失敗。');
+  }
+
+  /**
+   * ネームサーバーの削除
+   * @todo  テスト
+   *
+   * @param string $domain  ドメイン名
+   * @return Result
+   */
+  public function deleteNameserver(string $domain): Result {
+    if (!OPENPROVIDER_ENABLED) return Result::error('エラー：OpenProviderは無効です。');
+
+    $uri = "/dns/nameservers/{$domain}";
+    $curl = $this->setupCurl($uri, 'DELETE');
+    $res = $this->curlResult($curl);
+    if (isset($res->data['data'])) {
+      $this->murderCache('listnameservers');
+      $this->murderCache("listnameserver-{$domain}");
+      if ($res->data['data']['success']) return Result::Success('ネームサーバーの削除に成功。', $res->data);
+    }
+
+    return Result::Error('ネームサーバーの削除に失敗。');
+  }
+
   //// NSグループ
+
+  /**
+   * NSグループ一覧
+   * @todo  テスト
+   *
+   * @param array $query
+   * @return Result
+   */
+  public function listNsGroups(array $query = []): Result {
+    if (!OPENPROVIDER_ENABLED) return Result::error('エラー：OpenProviderは無効です。');
+    $cacheName = 'listnsgroups';
+    $cache = $this->getCache($cacheName);
+    if ($this->isValidLifespan($cache, $query)) return Result::Success('', $cache);
+
+    if (empty($query)) $query = [ 'limit' => 25, 'offset' => 0, 'order_by.name' => 'asc' ];
+    foreach ($query as $k => $v) if (is_bool($v)) $query[$k] = $v ? 'true' : 'false';
+
+    $uri = "/dns/nameservers/groups?".http_build_query($query, '', '&', PHP_QUERY_RFC3986);
+    $curl = $this->setupCurl($uri);
+    $res = $this->curlResult($curl);
+    if (isset($res->data['data'])) {
+      $this->setCache($cacheName, $res->data);
+      return Result::Success('', $res->data);
+    }
+
+    return Result::Error('NSグループ一覧の受け取りに失敗。');
+  }
+
+  /**
+   * NSグループの作成
+   * @todo  テスト
+   *
+   * @param array $payload  フォームデータ
+   * @return Result
+   */
+  public function createNsGroup(array $payload = []): Result {
+    if (!OPENPROVIDER_ENABLED) return Result::error('エラー：OpenProviderは無効です。');
+
+    $uri = '/dns/nameservers/groups';
+    $curl = $this->setupCurl($uri, 'POST', $payload);
+    $res = $this->curlResult($curl);
+    if (isset($res->data['data'])) {
+      $this->murderCache('listnsgroups');
+      return Result::Success('NSグループの追加に成功。', $res->data);
+    }
+
+    return Result::Error('NSグループの追加に失敗。');
+  }
+
+  /**
+   * NSグループ一覧
+   * @todo  テスト
+   *
+   * @param string $nsGroup  ネームサーバー名
+   * @param array $query  検索クエリー
+   * @return Result
+   */
+  public function getNsGroup(string $nsGroup, array $query = []): Result {
+    if (!OPENPROVIDER_ENABLED) return Result::error('エラー：OpenProviderは無効です。');
+    $cacheName = "listnsgroup-{$nsGroup}";
+    $cache = $this->getCache($cacheName);
+    if ($this->isValidLifespan($cache)) return Result::Success('', $cache);
+
+    if (empty($query)) $query = [ 'limit' => 100, 'offset' => 0, 'order_by.name' => 'asc' ];
+    foreach ($query as $k => $v) if (is_bool($v)) $query[$k] = $v ? 'true' : 'false';
+
+    $uri = "/dns/nameservers/groups/{$nsGroup}?".http_build_query($query, '', '&', PHP_QUERY_RFC3986);
+    $curl = $this->setupCurl($uri);
+    $res = $this->curlResult($curl);
+    if (isset($res->data['data'])) {
+      $this->setCache($cacheName, $res->data);
+      return Result::Success('', $res->data);
+    }
+
+    return Result::Error('NSグループ一覧の受け取りに失敗。');
+  }
+
+  /**
+   * NSグループの更新
+   * @todo  テスト
+   *
+   * @param string $nsGroup  ネームサーバー名
+   * @param array $payload  フォームデータ
+   * @return Result
+   */
+  public function updateNsGroup(string $nsGroup, array $payload = []): Result {
+    if (!OPENPROVIDER_ENABLED) return Result::error('エラー：OpenProviderは無効です。');
+
+    $uri = "/dns/nameservers/groups/{$nsGroup}";
+    $curl = $this->setupCurl($uri, 'PUT', $payload);
+    $res = $this->curlResult($curl);
+    if (isset($res->data['data'])) {
+      $this->murderCache('listnsgroups');
+      $this->murderCache("listnsgroup-{$nsGroup}");
+      if ($res->data['data']['success']) return Result::Success('NSグループの更新に成功。', $res->data);
+    }
+
+    return Result::Error('NSグループの更新に失敗。');
+  }
+
+  /**
+   * NSグループの削除
+   * @todo  テスト
+   *
+   * @param string $nsGroup  ネームサーバー名
+   * @return Result
+   */
+  public function deleteNsGroup(string $nsGroup): Result {
+    if (!OPENPROVIDER_ENABLED) return Result::error('エラー：OpenProviderは無効です。');
+
+    $uri = "/dns/nameservers/groups/{$nsGroup}";
+    $curl = $this->setupCurl($uri, 'DELETE');
+    $res = $this->curlResult($curl);
+    if (isset($res->data['data'])) {
+      $this->murderCache('listnsgroups');
+      $this->murderCache("listnsgroup-{$nsGroup}");
+      if ($res->data['data']['success']) return Result::Success('NSグループの削除に成功。', $res->data);
+    }
+
+    return Result::Error('NSグループの削除に失敗。');
+  }
+
   //// テンプレート
 
   /**
@@ -645,13 +892,14 @@ class Openprovider {
     $res = $this->curlResult($curl);
     if (isset($res->data['data'])) {
       $this->murderCache('listdnstemplates');
+      $this->murderCache("getdnstemplate-{$id}");
       if ($res->data['data']['success']) return Result::Success('DNSテンプレートの削除に成功。', $res->data);
     }
 
     return Result::Error('DNSテンプレートの削除に失敗。');
   }
 
-  //// ゾーン
+  //// DNSゾーン
 
   /**
    * DNSゾーン一覧
@@ -661,7 +909,8 @@ class Openprovider {
    */
   public function listDnsZones(array $query = []): Result {
     if (!OPENPROVIDER_ENABLED) return Result::error('エラー：OpenProviderは無効です。');
-    $cache = $this->getCache('listdnszones');
+    $cacheName = 'listdnszones';
+    $cache = $this->getCache($cacheName);
     if ($this->isValidLifespan($cache, $query)) return Result::Success('', $cache);
 
     if (empty($query)) $query = [ 'limit' => 25, 'offset' => 0, 'order_by.name' => 'asc' ];
@@ -671,11 +920,32 @@ class Openprovider {
     $curl = $this->setupCurl($uri);
     $res = $this->curlResult($curl);
     if (isset($res->data['data'])) {
-      $this->setCache('listdnszones', $res->data);
+      $this->setCache($cacheName, $res->data);
       return Result::Success('', $res->data);
     }
 
-    return Result::Error('TLD一覧の受け取りに失敗。');
+    return Result::Error('DNSゾーン一覧の受け取りに失敗。');
+  }
+
+  /**
+   * DNSゾーンの作成
+   * @todo  テスト
+   *
+   * @param array $payload  フォームデータ
+   * @return Result
+   */
+  public function createDnsZone(array $payload = []): Result {
+    if (!OPENPROVIDER_ENABLED) return Result::error('エラー：OpenProviderは無効です。');
+
+    $uri = '/dns/zones';
+    $curl = $this->setupCurl($uri, 'POST', $payload);
+    $res = $this->curlResult($curl);
+    if (isset($res->data['data'])) {
+      $this->murderCache('listdnszones');
+      return Result::Success('DNSゾーンの追加に成功。', $res->data);
+    }
+
+    return Result::Error('DNSゾーンの追加に失敗。');
   }
 
   /**
@@ -687,7 +957,8 @@ class Openprovider {
    */
   public function getDnsZone(string $domain, array $query = []): Result {
     if (!OPENPROVIDER_ENABLED) return Result::error('エラー：OpenProviderは無効です。');
-    $cache = $this->getCache("getdnszone-{$domain}");
+    $cacheName = "getdnszone-{$domain}";
+    $cache = $this->getCache($cacheName);
     if ($this->isValidLifespan($cache)) return Result::Success('', $cache);
 
     if (empty($query)) $query = [ 'limit' => 100, 'offset' => 0, 'order_by.name' => 'asc' ];
@@ -697,11 +968,56 @@ class Openprovider {
     $curl = $this->setupCurl($uri);
     $res = $this->curlResult($curl);
     if (isset($res->data['data'])) {
-      $this->setCache("getdnszone-{$domain}", $res->data);
+      $this->setCache($cacheName, $res->data);
       return Result::Success('', $res->data);
     }
 
-    return Result::Error('TLD一覧の受け取りに失敗。');
+    return Result::Error('DNSゾーン一覧の受け取りに失敗。');
+  }
+
+  /**
+   * DNSゾーンの更新
+   * @todo  テスト
+   *
+   * @param string $domain  ドメイン名
+   * @param array $payload  フォームデータ
+   * @return Result
+   */
+  public function updateDnsZone(string $domain, array $payload = []): Result {
+    if (!OPENPROVIDER_ENABLED) return Result::error('エラー：OpenProviderは無効です。');
+
+    $uri = "/dns/zones/{$domain}";
+    $curl = $this->setupCurl($uri, 'PUT', $payload);
+    $res = $this->curlResult($curl);
+    if (isset($res->data['data'])) {
+      $this->murderCache('listdnszones');
+      $this->murderCache("getdnszone-{$domain}");
+      if ($res->data['data']['success']) return Result::Success('DNSゾーンの更新に成功。', $res->data);
+    }
+
+    return Result::Error('DNSゾーンの更新に失敗。');
+  }
+
+  /**
+   * DNSゾーンの削除
+   * @todo  テスト
+   *
+   * @param string $domain  ドメイン名
+   * @return Result
+   */
+  public function deleteDnsZone(string $domain): Result {
+    if (!OPENPROVIDER_ENABLED) return Result::error('エラー：OpenProviderは無効です。');
+
+    $uri = "/dns/zones/{$domain}";
+    $curl = $this->setupCurl($uri, 'DELETE');
+    $res = $this->curlResult($curl);
+    if (isset($res->data['data'])) {
+      $this->murderCache('listdnszones');
+      $this->murderCache("getdnszone-{$domain}");
+      if ($res->data['data']['success']) return Result::Success('DNSゾーンの削除に成功。', $res->data);
+    }
+
+    return Result::Error('DNSゾーンの削除に失敗。');
   }
 
   //// ゾーンレコード
@@ -714,13 +1030,14 @@ class Openprovider {
    */
   public function listZoneRecords(string $domain): Result {
     if (!OPENPROVIDER_ENABLED) return Result::error('エラー：OpenProviderは無効です。');
-    $cache = $this->getCache("getzonerecords-{$domain}");
+    $cacheName = "getzonerecords-{$domain}";
+    $cache = $this->getCache($cacheName);
     if ($this->isValidLifespan($cache)) return Result::Success('', $cache);
 
     $curl = $this->setupCurl("/dns/zones/{$domain}/records");
     $res = $this->curlResult($curl);
     if (isset($res->data['data'])) {
-      $this->setCache("getzonerecords-{$domain}", $res->data);
+      $this->setCache($cacheName, $res->data);
       return Result::Success('', $res->data);
     }
 
@@ -829,6 +1146,122 @@ class Openprovider {
 
   //// 連絡先
 
+  /**
+   * 連絡先の一覧
+   *
+   * @param array $query  検索クエリー
+   * @return Result
+   */
+  public function listContacts(array $query = []): Result {
+    if (!OPENPROVIDER_ENABLED) return Result::error('エラー：OpenProviderは無効です。');
+    $cacheName = 'listcontacts';
+    $cache = $this->getCache($cacheName);
+    if ($this->isValidLifespan($cache, $query)) return Result::Success('', $cache);
+
+    foreach ($query as $k => $v) { if (is_bool($v)) $query[$k] = $v ? 'true' : 'false'; }
+    $uri = '/contacts?'.http_build_query($query, '', '&', PHP_QUERY_RFC3986);
+    $curl = $this->setupCurl($uri);
+    $res = $this->curlResult($curl);
+    if (isset($res->data['data'])) {
+      $res->data['query'] = $query;
+      $this->setCache($cacheName, $res->data);
+      return Result::Success('', $res->data);
+    }
+
+    return Result::Error('連絡先一覧の受け取りに失敗。');
+  }
+
+  /**
+   * 連絡先の作成
+   *
+   * @param array $payload
+   * @return Result
+   */
+  public function createContact(array $payload): Result {
+    if (!OPENPROVIDER_ENABLED) return Result::error('エラー：OpenProviderは無効です。');
+
+    $uri = '/contacts';
+    $curl = $this->setupCurl($uri, 'POST', $payload);
+    $res = $this->curlResult($curl);
+    if (isset($res)) {
+      $this->murderCache('listcontacts');
+      return Result::Success('', $res->data);
+    }
+
+    return Result::Error("連絡先の作成に失敗。");
+  }
+
+  /**
+   * 連絡先の表示
+   *
+   * @param int $id  連絡先ID
+   * @param bool $withAdditionalData  詳細データ含むか？
+   * @return Result
+   */
+  public function getContact(int $id, bool $withAdditionalData = false): Result {
+    if (!OPENPROVIDER_ENABLED) return Result::error('エラー：OpenProviderは無効です。');
+    $cacheName = "getcontact-{$id}";
+    $cache = $this->getCache($cacheName);
+    if ($this->isValidLifespan($cache, $id, 'id')) return Result::Success('', $cache);
+
+    $query = [ 'with_additional_data' => $withAdditionalData ? 'true' : 'false' ];
+    $uri = "/contacts/{$id}?".http_build_query($query, '', '&', PHP_QUERY_RFC3986);
+    // kys($uri);
+    $curl = $this->setupCurl($uri);
+    $res = $this->curlResult($curl);
+    if (isset($res->data['data'])) {
+      $res->data['id'] = $id;
+      $this->setCache($cacheName, $res->data);
+      return Result::Success('', $res->data);
+    }
+
+    return Result::Error('連絡先の受け取りに失敗。');
+  }
+
+  /**
+   * 連絡先の更新
+   * @todo  テスト
+   *
+   * @param int $id  連絡先ID
+   * @param array $payload  フォームデータ
+   * @return Result
+   */
+  public function updateContact(int $id, array $payload = []): Result {
+    if (!OPENPROVIDER_ENABLED) return Result::error('エラー：OpenProviderは無効です。');
+
+    $uri = "/contacts/{$id}";
+    $curl = $this->setupCurl($uri, 'PUT', $payload);
+    $res = $this->curlResult($curl);
+    if (isset($res->data['data'])) {
+      $this->murderCache("getcontact-{$id}");
+      $this->murderCache('listcontacts');
+      if ($res->data['data']['success']) return Result::Success('連絡先の更新に成功。', $res->data);
+    }
+
+    return Result::Error('連絡先の更新に失敗。');
+  }
+
+  /**
+   * 連絡先の削除
+   *
+   * @param int $id  連絡先ID
+   * @return Result
+   */
+  public function deleteContact(int $id): Result {
+    if (!OPENPROVIDER_ENABLED) return Result::error('エラー：OpenProviderは無効です。');
+
+    $uri = "/contacts/{$id}";
+    $curl = $this->setupCurl($uri, 'DELETE');
+    $res = $this->curlResult($curl);
+    if (isset($res->data['data'])) {
+      $this->murderCache("getcontact-{$id}");
+      $this->murderCache('listcontacts');
+      if ($res->data['data']['success']) return Result::Success('連絡先の削除に成功。');
+    }
+
+    return Result::Error('連絡先の削除に失敗。');
+  }
+
   //// 顧客様
 
   /**
@@ -1192,8 +1625,294 @@ class Openprovider {
 
   // SpamExpert
 
+  //// SEDomain
+
+  /**
+   * SEDomainの作成
+   * @todo  テスト
+   *
+   * @param array $payload
+   * @return Result
+   */
+  public function createSeDomain(array $payload): Result {
+    if (!OPENPROVIDER_ENABLED) return Result::error('エラー：OpenProviderは無効です。');
+
+    $uri = '/spam-expert/domains';
+    $curl = $this->setupCurl($uri, 'POST', $payload);
+    $res = $this->curlResult($curl);
+    if (isset($res)) {
+      $this->murderCache('listdomains');
+      return Result::Success('', $res->data);
+    }
+
+    return Result::Error("SEDomainの作成に失敗。");
+  }
+
+  /**
+   * SEDomainの表示
+   * @todo  テスト
+   *
+   * @param string $domain  ドメイン名
+   * @param array $query  検索クエリー
+   * @return Result
+   */
+  public function getSeDomain(string $domain, array $query = []): Result {
+    if (!OPENPROVIDER_ENABLED) return Result::error('エラー：OpenProviderは無効です。');
+    $cacheName = "getsedomain-{$domain}";
+    $cache = $this->getCache($cacheName);
+    if ($this->isValidLifespan($cache, $domain, 'domain')) return Result::Success('', $cache);
+
+    $uri = "/spam-expert/domains/{$domain}?".http_build_query($query, '', '&', PHP_QUERY_RFC3986);
+    // kys($uri);
+    $curl = $this->setupCurl($uri);
+    $res = $this->curlResult($curl);
+    if (isset($res->data['data'])) {
+      $res->data['domain'] = $domain;
+      $this->setCache($cacheName, $res->data);
+      return Result::Success('', $res->data);
+    }
+
+    return Result::Error('SEDomainの受け取りに失敗。');
+  }
+
+  /**
+   * SEDomainの更新
+   * @todo  テスト
+   *
+   * @param string $domain  ドメイン名
+   * @param array $payload  フォームデータ
+   * @return Result
+   */
+  public function updateSeDomain(string $domain, array $payload = []): Result {
+    if (!OPENPROVIDER_ENABLED) return Result::error('エラー：OpenProviderは無効です。');
+
+    $uri = "/spam-expert/domains/{$domain}";
+    $curl = $this->setupCurl($uri, 'PUT', $payload);
+    $res = $this->curlResult($curl);
+    if (isset($res->data['data'])) {
+      $this->murderCache('listdomains');
+      $this->murderCache("getsedomain-{$domain}");
+      if ($res->data['data']['success']) return Result::Success('SEDomainの更新に成功。', $res->data);
+    }
+
+    return Result::Error('SEDomainの更新に失敗。');
+  }
+
+  /**
+   * SEDomainの削除
+   * @todo  テスト
+   *
+   * @param string $domain  ドメイン名
+   * @return Result
+   */
+  public function deleteSeDomain(string $domain): Result {
+    if (!OPENPROVIDER_ENABLED) return Result::error('エラー：OpenProviderは無効です。');
+
+    $uri = "/spam-expert/domains/{$domain}";
+    $curl = $this->setupCurl($uri, 'DELETE');
+    $res = $this->curlResult($curl);
+    if (isset($res->data['data'])) {
+      $this->murderCache('listdomains');
+      $this->murderCache("getsedomain-{$domain}");
+      if ($res->data['data']['success']) return Result::Success('SEDomainの削除に成功。');
+    }
+
+    return Result::Error('SEDomainの削除に失敗。');
+  }
+
   // SSL証明書
 
+  //// 確認担当者メール
+
+  /**
+   * 確認担当者メール一覧
+   * @todo  テスト
+   *
+   * @param array $query  検索クエリー
+   * @return Result
+   */
+  public function listApproverEmails(array $query = []): Result {
+    if (!OPENPROVIDER_ENABLED) return Result::error('エラー：OpenProviderは無効です。');
+    $cacheName = 'listapproveremails';
+    $cache = $this->getCache($cacheName);
+    if ($this->isValidLifespan($cache, $query)) return Result::Success('', $cache);
+
+    foreach ($query as $k => $v) { if (is_bool($v)) $query[$k] = $v ? 'true' : 'false'; }
+    $uri = '/ssl/approver-emails?'.http_build_query($query, '', '&', PHP_QUERY_RFC3986);
+    $curl = $this->setupCurl($uri);
+    $res = $this->curlResult($curl);
+    if (isset($res->data['data'])) {
+      $res->data['query'] = $query;
+      $this->setCache($cacheName, $res->data);
+      return Result::Success('', $res->data);
+    }
+
+    return Result::Error('確認担当者メール一覧の受け取りに失敗。');
+  }
+
+  //// CSR
+
+  /**
+   * 注文確認担当者メールの再送信
+   * @todo  テスト
+   *
+   * @param array $payload
+   * @return Result
+   */
+  public function createCsr(array $payload): Result {
+    if (!OPENPROVIDER_ENABLED) return Result::error('エラー：OpenProviderは無効です。');
+
+    $uri = '/ssl/csr';
+    $curl = $this->setupCurl($uri, 'POST', $payload);
+    $res = $this->curlResult($curl);
+    if (isset($res)) {
+      return Result::Success('', $res->data);
+    }
+
+    return Result::Error("注文確認担当者メールの再送信に失敗。");
+  }
+
+  /**
+   * 注文確認担当者メールの再送信
+   * @todo  テスト
+   *
+   * @param string $csr
+   * @return Result
+   */
+  public function decodeCsr(string $csr): Result {
+    if (!OPENPROVIDER_ENABLED) return Result::error('エラー：OpenProviderは無効です。');
+
+    $uri = '/ssl/csr/decode';
+    $curl = $this->setupCurl($uri, 'POST', ['csr' => $csr]);
+    $res = $this->curlResult($curl);
+    if (isset($res)) {
+      return Result::Success('', $res->data);
+    }
+
+    return Result::Error("注文確認担当者メールの再送信に失敗。");
+  }
+
+  //// 注文
+
+  //// 注文確認担当者メール
+
+  /**
+   * 注文確認担当者メールの更新
+   * @todo  テスト
+   *
+   * @param int $id
+   * @param string $approverEmail
+   * @return Result
+   */
+  public function updateSslApproverEmail(int $id, string $approverEmail): Result {
+    if (!OPENPROVIDER_ENABLED) return Result::error('エラー：OpenProviderは無効です。');
+
+    $uri = "/ssl/orders/{$id}/approver-email";
+    $curl = $this->setupCurl($uri, 'PUT', ['id' => $id, 'approver_email' => $approverEmail]);
+    $res = $this->curlResult($curl);
+    if (isset($res)) {
+      $this->murderCache('listapproveremails');
+      return Result::Success('', $res->data);
+    }
+
+    return Result::Error("注文確認担当者メールの更新に失敗。");
+  }
+
+  /**
+   * 注文確認担当者メールの再送信
+   * @todo  テスト
+   *
+   * @param int $id
+   * @return Result
+   */
+  public function resendSslApproverEmail(int $id): Result {
+    if (!OPENPROVIDER_ENABLED) return Result::error('エラー：OpenProviderは無効です。');
+
+    $uri = "/ssl/orders/{$id}/approver-email/resend";
+    $curl = $this->setupCurl($uri, 'POST', ['id' => $id]);
+    $res = $this->curlResult($curl);
+    if (isset($res)) {
+      $this->murderCache('listapproveremails');
+      return Result::Success('', $res->data);
+    }
+
+    return Result::Error("注文確認担当者メールの再送信に失敗。");
+  }
+
+  //// OTPトークン
+
+  /**
+   * OTPトークンの作成
+   * @todo  テスト
+   *
+   * @param int $id
+   * @return Result
+   */
+  public function createSslOtpToken(int $id): Result {
+    if (!OPENPROVIDER_ENABLED) return Result::error('エラー：OpenProviderは無効です。');
+
+    $uri = "/ssl/orders/{$id}/otp-tokens";
+    $curl = $this->setupCurl($uri, 'POST');
+    $res = $this->curlResult($curl);
+    if (isset($res)) {
+      return Result::Success('', $res->data);
+    }
+
+    return Result::Error("OTPトークンの作成に失敗。");
+  }
+
+  //// 商品
+
+  /**
+   * 商品一覧
+   * @todo  テスト
+   *
+   * @param array $query  検索クエリー
+   * @return Result
+   */
+  public function listSslProducts(array $query = []): Result {
+    if (!OPENPROVIDER_ENABLED) return Result::error('エラー：OpenProviderは無効です。');
+    $cacheName = 'listsslproducts';
+    $cache = $this->getCache($cacheName);
+    if ($this->isValidLifespan($cache, $query)) return Result::Success('', $cache);
+
+    foreach ($query as $k => $v) { if (is_bool($v)) $query[$k] = $v ? 'true' : 'false'; }
+    $uri = '/ssl/products?'.http_build_query($query, '', '&', PHP_QUERY_RFC3986);
+    $curl = $this->setupCurl($uri);
+    $res = $this->curlResult($curl);
+    if (isset($res->data['data'])) {
+      $res->data['query'] = $query;
+      $this->setCache($cacheName, $res->data);
+      return Result::Success('', $res->data);
+    }
+
+    return Result::Error('商品一覧の受け取りに失敗。');
+  }
+
+  /**
+   * 商品の表示
+   * @todo  テスト
+   *
+   * @param int $id  商品ID
+   * @return Result
+   */
+  public function getSslProduct(int $id): Result {
+    if (!OPENPROVIDER_ENABLED) return Result::error('エラー：OpenProviderは無効です。');
+    $cacheName = "getsslproduct-{$id}";
+    $cache = $this->getCache($cacheName);
+    if ($this->isValidLifespan($cache, $id, 'id')) return Result::Success('', $cache);
+    // kys($uri);
+    $curl = $this->setupCurl($uri);
+    $res = $this->curlResult($curl);
+    if (isset($res->data['data'])) {
+      $res->data['id'] = $id;
+      $this->setCache($cacheName, $res->data);
+      return Result::Success('', $res->data);
+    }
+
+    return Result::Error('商品の受け取りに失敗。');
+  }
+
   ////////
 
   /**