diff --git a/debian/patches/check_rbl/disable_dul.ru b/debian/patches/check_rbl/disable_dul.ru
new file mode 100644
index 00000000..0b77e94d
--- /dev/null
+++ b/debian/patches/check_rbl/disable_dul.ru
@@ -0,0 +1,11 @@
+--- a/check_rbl/src/check_rbl.ini
++++ b/check_rbl/src/check_rbl.ini
+@@ -33,7 +33,7 @@
+ server=bl.technovision.dk
+ server=dnsbl.kempt.net
+ ;server=dnsbl.solid.net ; domain offline
+-server=dul.ru
++;server=dul.ru ; domain seems abandoned
+ server=forbidden.icm.edu.pl
+ server=hil.habeas.com
+ server=rbl.schulte.org
diff --git a/debian/patches/series b/debian/patches/series
index 5637c260..18c7d8bd 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -25,6 +25,7 @@ check_raid/prefer_cciss_vol_status_over_hpacucli
 check_rbl/interpreter
 check_rbl/spelling_errors
 check_rbl/disable_solid.net
+check_rbl/disable_dul.ru
 check_rbl/additional_rbls
 check_rbl/nagios-plugins
 check_snmp_time/epn