diff --git a/admin/upload.html b/admin/upload.html
index 83b6c67..5bbb16d 100644
--- a/admin/upload.html
+++ b/admin/upload.html
@@ -26,7 +26,7 @@
         const segment = urlParams.get('segment');
         if (!question && !syllabus && !segment) window.location.href = '/admin';
         const inputElement = document.querySelector('input[type="file"]');
-        const domain = ((window.location.hostname.search('check') != -1) || (window.location.hostname.search('127') != -1)) ? 'https://api.check.vssfalcons.com' : 'http://localhost:5000';
+        const domain = ((window.location.hostname.search('check') != -1) || (window.location.hostname.search('127') != -1)) ? 'https://api.check.vssfalcons.com' : `http://${document.domain}:5000`;
         FilePond.registerPlugin(FilePondPluginFileValidateType);
         const pond = FilePond.create(inputElement, {
             server: domain + ((question) ? '/upload' : (segment) ? '/speedModeUpload' : '/syllabus'),
diff --git a/src/checker/admin.js b/src/checker/admin.js
index 5ed6959..70b8e25 100644
--- a/src/checker/admin.js
+++ b/src/checker/admin.js
@@ -1,6 +1,6 @@
 import * as ui from "/src/modules/ui.js";
 
-const domain = ((window.location.hostname.search('check') != -1) || (window.location.hostname.search('127') != -1)) ? 'https://api.check.vssfalcons.com' : 'http://localhost:5000';
+const domain = ((window.location.hostname.search('check') != -1) || (window.location.hostname.search('127') != -1)) ? 'https://api.check.vssfalcons.com' : `http://${document.domain}:5000`;
 if (window.location.pathname.split('?')[0].endsWith('/admin')) window.location.pathname = '/admin/';
 
 var courses = [];
diff --git a/src/checker/checker.js b/src/checker/checker.js
index 3404449..3295793 100644
--- a/src/checker/checker.js
+++ b/src/checker/checker.js
@@ -7,7 +7,7 @@ import { getPeriod } from "/src/periods/periods";
 import { convertLatexToAsciiMath, convertLatexToMarkup, renderMathInElement } from "mathlive";
 ``;
 
-const domain = ((window.location.hostname.search('check') != -1) || (window.location.hostname.search('127') != -1)) ? 'https://api.check.vssfalcons.com' : 'http://localhost:5000';
+const domain = ((window.location.hostname.search('check') != -1) || (window.location.hostname.search('127') != -1)) ? 'https://api.check.vssfalcons.com' : `http://${document.domain}:5000`;
 const segments = document.getElementById("segment-input");
 const segmentInput = document.getElementById("segment-input");
 const questions = document.getElementById("question-input");
diff --git a/src/modules/storage.js b/src/modules/storage.js
index b6879a4..bd9215c 100644
--- a/src/modules/storage.js
+++ b/src/modules/storage.js
@@ -41,9 +41,6 @@ class Storage {
     const cookieData = getCookie(this.id);
     if (cookieData) {
       localStorage.setItem(this.id, cookieData);
-      console.log(`Synchronized localStorage with cookie data: ${cookieData}`);
-    } else {
-      console.log(`No cookie data found for id: ${this.id}`);
     }
   }
 }
@@ -55,9 +52,7 @@ function setCookie(name, value, days) {
     date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
     expires = "; expires=" + date.toUTCString();
   }
-  const domain = ".vssfalcons.com";
-  document.cookie = name + "=" + (value || "") + expires + "; path=/; domain=" + domain;
-  console.log(`Set cookie: ${name}=${value}; domain=${domain}`);
+  document.cookie = `${name}=${(value || "")}${expires}; path=/; domain=.${document.domain}`;
 }
 
 function getCookie(name) {
@@ -71,4 +66,4 @@ function getCookie(name) {
   return null;
 }
 
-export default new Storage("virtual-checker-2");
\ No newline at end of file
+export default new Storage("virtual-falcons");