diff --git a/check_pihole.sh b/check_pihole.sh
index 678600a..6f8b423 100644
--- a/check_pihole.sh
+++ b/check_pihole.sh
@@ -1,12 +1,18 @@
 #!/bin/bash
 
-# Pi-hole service
+# 1. FTL muss laufen
 systemctl is-active --quiet pihole-FTL || exit 1
 
-# DNS functional test
-dig google.com @127.0.0.1 +short | grep -q . || exit 1
+# 2. DNS muss antworten
+dig google.com @127.0.0.1 +time=1 +tries=1 +short | grep -q . || exit 1
 
-# Blocking test (critical!)
-dig doubleclick.net @127.0.0.1 +short | grep -q "0.0.0.0" || exit 1
+# 3. Blocking muss funktionieren
+dig doubleclick.net @127.0.0.1 +time=1 +tries=1 +short | grep -Eq "0.0.0.0|::" || exit 1
+
+# 4. NTP muss synchron sein (DEIN Wunsch!)
+timedatectl | grep -q "synchronized: yes" || exit 1
+
+# 5. Pi-hole darf nicht disabled sein
+pihole status | grep -q "blocking enabled" || exit 1
 
 exit 0
\ No newline at end of file