diff --git a/index.js b/index.js
index c664e7c..4874ae1 100644
--- a/index.js
+++ b/index.js
@@ -8,6 +8,16 @@ const alwaysAllow = [
   "selenite.skysthelimit.dev"
 ]
 
+const blockList = [
+  "sber",
+  "cdek",
+  "avito",
+  "pochta",
+  "nalozhka",
+  "blablacar",
+  "youla",
+]
+
 const db = new Database("links.sqlite");
 db.exec("PRAGMA journal_mode = WAL;");
 
@@ -75,7 +85,13 @@ app.get("/check", async (req, res) => {
     }
 
     const hostname = domain.hostname.toLowerCase();
-    if (hostname.split(".").length > 5) {
+    
+    for (const blockedWord of blockList) {
+      if (hostname.includes(blockedWord.toLowerCase())) {
+        return res.status(400).end();
+      }
+    }
+    if (hostname.split(".").length > 7) {
         return res.status(400).end();
     }
 
@@ -85,7 +101,7 @@ app.get("/check", async (req, res) => {
 
     const baseDomain = getBaseDomain(hostname);
     const { count } = domainCount.get({ $base: baseDomain });
-    if (count >= 100) {
+    if (count >= 500) {
         return res.status(400).end();
     }