diff --git a/LetsEncrypt/ACMEv2/LetsEncryptClient.cs b/LetsEncrypt/ACMEv2/LetsEncryptClient.cs
index be78277..e567a1a 100644
--- a/LetsEncrypt/ACMEv2/LetsEncryptClient.cs
+++ b/LetsEncrypt/ACMEv2/LetsEncryptClient.cs
@@ -514,7 +514,7 @@ namespace ACMEv2
             var cert = new X509Certificate2(Encoding.ASCII.GetBytes(cache.Cert));
 
             // if it is about to expire, we need to refresh
-            if ((cert.NotAfter - DateTime.UtcNow).TotalDays < 14)
+            if ((cert.NotAfter - DateTime.UtcNow).TotalDays < 30)
                 return false;
 
             var rsa = new RSACryptoServiceProvider(4096);
diff --git a/LetsEncrypt/settings.json b/LetsEncrypt/settings.json
index 851672c..3654827 100644
--- a/LetsEncrypt/settings.json
+++ b/LetsEncrypt/settings.json
@@ -23,8 +23,12 @@
                     "hosts": [
                         "maks-it.com",
                         "www.maks-it.com",
+                        "it.maks-it.com",
+                        "www.it.maks-it.com",
+                        "ru.maks-it.com",
+                        "www.ru.maks-it.com",
                         "api.maks-it.com",
-                        "www.api.maks-it.com",
+                        "www.api.maks-it.com"
                     ],
                     "challenge": "http-01"
                 }