diff --git a/Dockerfile b/Dockerfile
index e29a09c..7593873 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,6 +8,7 @@ RUN apk add --no-cache \
        sed \
        socat \
        bind-tools \
+       aws-cli \
     ;
 
 ENV RSYSLOG=y
diff --git a/render_cfg.sh b/render_cfg.sh
index 25378da..6f1612f 100755
--- a/render_cfg.sh
+++ b/render_cfg.sh
@@ -27,7 +27,7 @@ else
 
   # Resolve DNS
   for _service in ${service//,/ }; do
-    dig $_service 2>/dev/null | grep  ^$_service | awk '{print $5}'
+    aws servicediscovery list-instances --service-id $_service --query 'Instances[].Attributes.AWS_INSTANCE_IPV4' --output text --region eu-west-1
   done | sort | paste -sd ',' > $tmpfile
   if [ $(wc -c $tmpfile | gawk '{print $1}') -eq 0 ]; then
     rm $tmpfile