Merge pull request #4080 from aorith/dev

dns_aws: Fix when _acme-challenge is a hostedzone

dnsapi/dns_aws.sh

@@ -152,7 +152,7 @@ dns_aws_rm() {
 
 _get_root() {
   domain=$1
-  i=2
+  i=1
   p=1
 
   if aws_rest GET "2013-04-01/hostedzone"; then