diff --git a/libs/configuration.js b/libs/configuration.js
index f945c5c..db423a2 100644
--- a/libs/configuration.js
+++ b/libs/configuration.js
@@ -6,4 +6,5 @@ module.exports = {
         password: process.env.DATABASE_PASSWORD,
         database: process.env.DATABASE_NAME,
     },
+    registerPass: process.env.REGISTER_PASS,
 };
diff --git a/routes/ping.js b/routes/ping.js
index 3e826cf..f065901 100644
--- a/routes/ping.js
+++ b/routes/ping.js
@@ -1,10 +1,12 @@
 let express = require("express");
 let ipaddr = require("ipaddr.js");
 let moment = require("moment");
+let conf = require("../libs/configuration");
 let db = require("../libs/Database").instance();
 let router = express.Router();
 
 const IP_TYPES = ["ipv4", "ipv6"];
+const REGISTER_PASS = conf.registerPass;
 
 function combineToList(a, b) {
     return a + "\n" + b;
@@ -52,4 +54,17 @@ router.get("/:fqdn/:code", testIP, (req, res) => {
     });
 });
 
+router.get("/:fqdn/:code/:pass", (req, res) => {
+    const pass = req.params.pass;
+    const fqdn = req.params.fqdn;
+    const code = req.params.code;
+    if (REGISTER_PASS === "" || pass !== REGISTER_PASS) return res.status(403).send("Invalid token");
+    db.query("INSERT INTO addresses SET fqdn = ?, code = ? ON DUPLICATE KEY UPDATE code = ?", [fqdn, code, code], (e, d) => {
+        if (e) return res.status(400).send("Error");
+        if (d.insertId <= 0) return res.send("Already registered");
+        if (d.affectedRows >= 2) return res.send("Successful changed code");
+        res.send("Successful registered");
+    })
+});
+
 module.exports = router;