Fixed a bug where trying to add entries where the fulldomain contains upper case characters would not be accepted (dynv6 API rejects those).

Now the fulldomain will be cast to lowercase first which should not make
any difference since DNS is case insensitive.

dnsapi/dns_dynv6.sh

@@ -16,8 +16,8 @@ dynv6_api="https://dynv6.com/api/v2"
 # Please Read this guide first: https://github.com/Neilpang/acme.sh/wiki/DNS-API-Dev-Guide
 #Usage: dns_dynv6_add  _acme-challenge.www.domain.com  "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
 dns_dynv6_add() {
-  fulldomain=$1
-  txtvalue=$2
+  fulldomain=$(echo "$1" | tr 'A-Z' 'a-z')
+  txtvalue="$2"
   _info "Using dynv6 api"
   _debug fulldomain "$fulldomain"
   _debug txtvalue "$txtvalue"
@@ -50,8 +50,8 @@ dns_dynv6_add() {
 #Usage: fulldomain txtvalue
 #Remove the txt record after validation.
 dns_dynv6_rm() {
-  fulldomain=$1
-  txtvalue=$2
+  fulldomain=$(echo "$1" | tr 'A-Z' 'a-z')
+  txtvalue="$2"
   _info "Using dynv6 API"
   _debug fulldomain "$fulldomain"
   _debug txtvalue "$txtvalue"