diff --git a/oneforall/modules/datasets/rapiddns.py b/oneforall/modules/datasets/rapiddns.py
new file mode 100644
index 0000000..4ac9f27
--- /dev/null
+++ b/oneforall/modules/datasets/rapiddns.py
@@ -0,0 +1,50 @@
+from common import utils
+from common.query import Query
+
+
+class RapidDNS(Query):
+    def __init__(self, domain):
+        Query.__init__(self)
+        self.domain = self.register(domain)
+        self.module = 'Dataset'
+        self.source = 'RapidDNSQuery'
+
+    def query(self):
+        """
+        向接口查询子域并做子域匹配
+        """
+        self.header = self.get_header()
+        self.proxy = self.get_proxy(self.source)
+        url = f'http://rapiddns.io/subdomain/{self.domain}'
+        params = {'full': '1'}
+        resp = self.get(url, params)
+        if not resp:
+            return
+        subdomains = utils.match_subdomain(self.domain, resp.text)
+        # 合并搜索子域名搜索结果
+        self.subdomains = self.subdomains.union(subdomains)
+
+    def run(self):
+        """
+        类执行入口
+        """
+        self.begin()
+        self.query()
+        self.finish()
+        self.save_json()
+        self.gen_result()
+        self.save_db()
+
+
+def do(domain):  # 统一入口名字 方便多线程调用
+    """
+    类统一调用入口
+
+    :param str domain: 域名
+    """
+    query = RapidDNS(domain)
+    query.run()
+
+
+if __name__ == '__main__':
+    do('example.com')