diff --git a/dnsapi/dns_acmedns.sh b/dnsapi/dns_acmedns.sh
old mode 100644
new mode 100755
index 9b3efa48..057f9742
--- a/dnsapi/dns_acmedns.sh
+++ b/dnsapi/dns_acmedns.sh
@@ -1,31 +1,70 @@
 #!/usr/bin/env sh
 #
 #Author: Wolfgang Ebner
-#Report Bugs here: https://github.com/webner/acme.sh
+#Author: Sven Neubuaer
+#Report Bugs here: https://github.com/dampfklon/acme.sh
+#
+# Usage:
+# export ACMEDNS_BASE_URL="https://auth.acme-dns.io"
+#
+# You can optionally define an already existing account:
+#
+# export ACMEDNS_USERNAME="<username>"
+# export ACMEDNS_PASSWORD="<password>"
+# export ACMEDNS_SUBDOMAIN="<subdomain>"
 #
 ########  Public functions #####################
 
 #Usage: dns_acmedns_add   _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
+# Used to add txt record
 dns_acmedns_add() {
   fulldomain=$1
   txtvalue=$2
   _info "Using acme-dns"
-  _debug fulldomain "$fulldomain"
-  _debug txtvalue "$txtvalue"
+  _debug "fulldomain $fulldomain"
+  _debug "txtvalue $txtvalue"
 
-  ACMEDNS_UPDATE_URL="${ACMEDNS_UPDATE_URL:-$(_readaccountconf_mutable ACMEDNS_UPDATE_URL)}"
+  #for compatiblity from account conf
   ACMEDNS_USERNAME="${ACMEDNS_USERNAME:-$(_readaccountconf_mutable ACMEDNS_USERNAME)}"
+  _clearaccountconf_mutable ACMEDNS_USERNAME
   ACMEDNS_PASSWORD="${ACMEDNS_PASSWORD:-$(_readaccountconf_mutable ACMEDNS_PASSWORD)}"
+  _clearaccountconf_mutable ACMEDNS_PASSWORD
   ACMEDNS_SUBDOMAIN="${ACMEDNS_SUBDOMAIN:-$(_readaccountconf_mutable ACMEDNS_SUBDOMAIN)}"
+  _clearaccountconf_mutable ACMEDNS_SUBDOMAIN
 
-  if [ "$ACMEDNS_UPDATE_URL" = "" ]; then
-    ACMEDNS_UPDATE_URL="https://auth.acme-dns.io/update"
+  ACMEDNS_BASE_URL="${ACMEDNS_BASE_URL:-$(_readdomainconf ACMEDNS_BASE_URL)}"
+  ACMEDNS_USERNAME="${ACMEDNS_USERNAME:-$(_readdomainconf ACMEDNS_USERNAME)}"
+  ACMEDNS_PASSWORD="${ACMEDNS_PASSWORD:-$(_readdomainconf ACMEDNS_PASSWORD)}"
+  ACMEDNS_SUBDOMAIN="${ACMEDNS_SUBDOMAIN:-$(_readdomainconf ACMEDNS_SUBDOMAIN)}"
+
+  if [ "$ACMEDNS_BASE_URL" = "" ]; then
+    ACMEDNS_BASE_URL="https://auth.acme-dns.io"
   fi
 
-  _saveaccountconf_mutable ACMEDNS_UPDATE_URL "$ACMEDNS_UPDATE_URL"
-  _saveaccountconf_mutable ACMEDNS_USERNAME "$ACMEDNS_USERNAME"
-  _saveaccountconf_mutable ACMEDNS_PASSWORD "$ACMEDNS_PASSWORD"
-  _saveaccountconf_mutable ACMEDNS_SUBDOMAIN "$ACMEDNS_SUBDOMAIN"
+  ACMEDNS_UPDATE_URL="$ACMEDNS_BASE_URL/update"
+  ACMEDNS_REGISTER_URL="$ACMEDNS_BASE_URL/register"
+
+  if [ -z "$ACMEDNS_USERNAME" ] || [ -z "$ACMEDNS_PASSWORD" ]; then
+    response="$(_post "" "$ACMEDNS_REGISTER_URL" "" "POST")"
+    _debug response "$response"
+    ACMEDNS_USERNAME=$(echo "$response" | sed -n 's/^{.*\"username\":[ ]*\"\([^\"]*\)\".*}/\1/p')
+    _debug "received username: $ACMEDNS_USERNAME"
+    ACMEDNS_PASSWORD=$(echo "$response" | sed -n 's/^{.*\"password\":[ ]*\"\([^\"]*\)\".*}/\1/p')
+    _debug "received password: $ACMEDNS_PASSWORD"
+    ACMEDNS_SUBDOMAIN=$(echo "$response" | sed -n 's/^{.*\"subdomain\":[ ]*\"\([^\"]*\)\".*}/\1/p')
+    _debug "received subdomain: $ACMEDNS_SUBDOMAIN"
+    ACMEDNS_FULLDOMAIN=$(echo "$response" | sed -n 's/^{.*\"fulldomain\":[ ]*\"\([^\"]*\)\".*}/\1/p')
+    _info "##########################################################"
+    _info "# Create $fulldomain CNAME $ACMEDNS_FULLDOMAIN DNS entry #"
+    _info "##########################################################"
+    _info "Press enter to continue... "
+    read -r _
+  fi
+
+  _savedomainconf ACMEDNS_BASE_URL "$ACMEDNS_BASE_URL"
+  _savedomainconf ACMEDNS_USERNAME "$ACMEDNS_USERNAME"
+  _savedomainconf ACMEDNS_PASSWORD "$ACMEDNS_PASSWORD"
+  _savedomainconf ACMEDNS_SUBDOMAIN "$ACMEDNS_SUBDOMAIN"
 
   export _H1="X-Api-User: $ACMEDNS_USERNAME"
   export _H2="X-Api-Key: $ACMEDNS_PASSWORD"
@@ -48,8 +87,8 @@ dns_acmedns_rm() {
   fulldomain=$1
   txtvalue=$2
   _info "Using acme-dns"
-  _debug fulldomain "$fulldomain"
-  _debug txtvalue "$txtvalue"
+  _debug "fulldomain $fulldomain"
+  _debug "txtvalue $txtvalue"
 }
 
 ####################  Private functions below ##################################