diff --git a/Dockerfile b/Dockerfile
index 5a64c720..e46f71f0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.6
+FROM arm64v8/alpine:latest
 
 RUN apk update -f \
   && apk --no-cache add -f \
diff --git a/deploy/ssh.sh b/deploy/ssh.sh
index a68da356..6f99edf0 100644
--- a/deploy/ssh.sh
+++ b/deploy/ssh.sh
@@ -11,7 +11,7 @@
 #
 # Only a username is required.  All others are optional.
 #
-# The following examples are for QNAP NAS running QTS 4.2 
+# The following examples are for QNAP NAS running QTS 4.2
 # export DEPLOY_SSH_CMD=""  # defaults to ssh
 # export DEPLOY_SSH_USER="admin"  # required
 # export DEPLOY_SSH_SERVER="qnap"  # defaults to domain name
@@ -190,7 +190,7 @@ then rm -rf \"\$fn\"; echo \"Backup \$fn deleted as older than 180 days\"; fi; d
     _info "Backup directories erased after 180 days."
   fi
 
-  _debug "Remote commands to execute: $_cmdstr"
+  _secure_debug "Remote commands to execute: $_cmdstr"
   _info "Submitting sequence of commands to remote server by ssh"
   # quotations in bash cmd below intended.  Squash travis spellcheck error
   # shellcheck disable=SC2029
diff --git a/dnsapi/dns_inwx.sh b/dnsapi/dns_inwx.sh
index cd5af91b..f4590cf8 100755
--- a/dnsapi/dns_inwx.sh
+++ b/dnsapi/dns_inwx.sh
@@ -158,7 +158,8 @@ _inwx_login() {
   export _H1
 
   #https://github.com/inwx/php-client/blob/master/INWX/Domrobot.php#L71
-  if _contains "$response" "tfa"; then
+  if _contains "$response" "<member><name>code</name><value><int>1000</int></value></member>" \
+    && _contains "$response" "<member><name>tfa</name><value><string>GOOGLE-AUTH</string></value></member>"; then
     if [ -z "$INWX_Shared_Secret" ]; then
       _err "Mobile TAN detected."
       _err "Please define a shared secret."