diff --git a/check-host.sh b/check-host.sh
index fc9eba7..0a79312 100644
--- a/check-host.sh
+++ b/check-host.sh
@@ -3,7 +3,11 @@ set -euo pipefail
 
 : "${TARGET_HOSTS:?TARGET_HOSTS is not configured}"
 : "${SSH_USER:?SSH_USER is not configured}"
+echo "SSH directory:"
+ls -la ~/.ssh/ 2>/dev/null || true
 
+echo "SSH-related environment variables:"
+env | grep -Ei 'ssh|key' | sed 's/=.*/=<set>/'
 for host in $TARGET_HOSTS; do
     echo "Connecting to $host..."