diff --git a/rblcheck.sh b/rblcheck.sh
old mode 100755
new mode 100644
index a27ff49..e3398aa
--- a/rblcheck.sh
+++ b/rblcheck.sh
@@ -26,6 +26,7 @@ cdl.anti-spam.org.cn
 combined.abuse.ch
 combined.rbl.msrbl.net
 db.wpbl.info
+drone.abuse.ch
 dnsbl-1.uceprotect.net
 dnsbl-2.uceprotect.net
 dnsbl-3.uceprotect.net