use and depend on resolveip

Author: stangri

Makefile

@@ -20,6 +20,7 @@ define Package/adblock-fast
   DEPENDS:= \
 	+jshn \
 	+curl \
+	+resolveip \
 	+!BUSYBOX_DEFAULT_AWK:gawk \
 	+!BUSYBOX_DEFAULT_GREP:grep \
 	+!BUSYBOX_DEFAULT_SED:sed \

files/etc/init.d/adblock-fast

@@ -1301,7 +1301,7 @@ resolver() {
 			json set message "Testing resolver on $heartbeat_domain"
 			local i=0
 			while [ "$i" -lt "$heartbeat_sleep_timeout" ]; do
-				if nslookup "$heartbeat_domain" >/dev/null 2>&1; then
+				if resolveip "$heartbeat_domain" >/dev/null 2>&1; then
 					output_ok
 					return 0
 				fi