diff --git a/dnsapi/dns_miab.sh b/dnsapi/dns_miab.sh
index d17a1f7..313e4eb 100644
--- a/dnsapi/dns_miab.sh
+++ b/dnsapi/dns_miab.sh
@@ -6,186 +6,207 @@
 #    Darven Dissek 2018
 #    William Gertz 2019
 #
-#     Thanks to Neil Pang for the code reused from acme.sh from HTTP-01 validation
-#     used to communicate with the MailintheBox Custom DNS API
+#     Thanks to Neil Pang and other developers here for code reused from acme.sh from DNS-01
+#     used to communicate with the MailinaBox Custom DNS API
 # Report Bugs here:
 #    https://github.com/billgertz/MIAB_dns_api (for dns_miab.sh)
 #    https://github.com/Neilpang/acme.sh       (for acme.sh)
 #
 ########  Public functions #####################
 
-#Usage: dns_miab_add   _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
+#Usage: dns_miab_add  _acme-challenge.www.domain.com  "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
 dns_miab_add() {
   fulldomain=$1
   txtvalue=$2
-  _info "Using miab"
+  _info "Using miab challange add"
   _debug fulldomain "$fulldomain"
   _debug txtvalue "$txtvalue"
 
-  MIAB_Username="${MIAB_Username:-$(_readaccountconf_mutable MIAB_Username)}"
-  MIAB_Password="${MIAB_Password:-$(_readaccountconf_mutable MIAB_Password)}"
-  MIAB_Server="${MIAB_Server:-$(_readaccountconf_mutable MIAB_Server)}"
-
-  #debug log the environmental variables
-  _debug MIAB_Username "$MIAB_Username"
-  _debug MIAB_Password "$MIAB_Password"
-  _debug MIAB_Server "$MIAB_Server"
-
-  if [ -z "$MIAB_Username" ] || [ -z "$MIAB_Password" ] || [ -z "$MIAB_Server" ]; then
-    MIAB_Username=""
-    MIAB_Password=""
-    MIAB_Server=""
-    _err "You didn't specify MIAB_Username or MIAB_Password or MIAB_Server."
-    _err "Please try again."
+  #retrieve MIAB environemt vars
+   if ! _retrieve_miab_env; then
+     return 1
+   fi
+  
+  #check domain and seperate into doamin and host
+  if ! _get_root "$fulldomain"; then
+    _err "Cannot find any part of ${fulldomain} is hosted on ${MIAB_Server}"
     return 1
   fi
 
-  #save the credentials to the account conf file.
-  _saveaccountconf_mutable MIAB_Username "$MIAB_Username"
-  _saveaccountconf_mutable MIAB_Password "$MIAB_Password"
-  _saveaccountconf_mutable MIAB_Server "$MIAB_Server"
-
-  baseurl="https://$MIAB_Server/admin/dns/custom/$fulldomain/txt"
-
-  #Add the challenge record
-  result="$(_miab_post "$txtvalue" "$baseurl" "POST" "$MIAB_Username" "$MIAB_Password")"
+  _debug2 _sub_domain "$_sub_domain"
+  _debug2 _domain "$_domain"
 
-  _debug result "$result"
+  #add the challenge record
+  _api_path="custom/${fulldomain}/txt"
+  _miab_rest "$txtvalue" "$_api_path" "POST"
 
   #check if result was good
-  if _contains "$result" "updated DNS"; then
+  if _contains "$response" "updated DNS"; then
     _info "Successfully created the txt record"
     return 0
   else
-    _err "Error encountered during record addition"
-    _err "$result"
+    _err "Error encountered during record add"
+    _err "$response"
     return 1
   fi
 }
 
-#Usage: fulldomain txtvalue
-#Remove the txt record after validation.
+#Usage: dns_miab_rm  _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
 dns_miab_rm() {
   fulldomain=$1
   txtvalue=$2
-  _info "Using miab"
+
+  _info "Using miab challage delete"
   _debug fulldomain "$fulldomain"
   _debug txtvalue "$txtvalue"
 
-  MIAB_Username="${MIAB_Username:-$(_readaccountconf_mutable MIAB_Username)}"
-  MIAB_Password="${MIAB_Password:-$(_readaccountconf_mutable MIAB_Password)}"
-  MIAB_Server="${MIAB_Server:-$(_readaccountconf_mutable MIAB_Server)}"
-
-  #debug log the environmental variables
-  _debug MIAB_Username "$MIAB_Username"
-  _debug MIAB_Password "$MIAB_Password"
-  _debug MIAB_Server "$MIAB_Server"
+  #retrieve MIAB environemt vars
+   if ! _retrieve_miab_env; then
+     return 1
+   fi
 
-  if [ -z "$MIAB_Username" ] || [ -z "$MIAB_Password" ] || [ -z "$MIAB_Server" ]; then
-    MIAB_Username=""
-    MIAB_Password=""
-    MIAB_Server=""
-    _err "You didn't specify MIAB_Username or MIAB_Password or MIAB_Server."
-    _err "Please try again."
+  #check domain and seperate into doamin and host
+  if ! _get_root "$fulldomain"; then
+    _err "Cannot find any part of ${fulldomain} is hosted on ${MIAB_Server}"
     return 1
   fi
 
-  #save the credentials to the account conf file.
-  _saveaccountconf_mutable MIAB_Username "$MIAB_Username"
-  _saveaccountconf_mutable MIAB_Password "$MIAB_Password"
-  _saveaccountconf_mutable MIAB_Server "$MIAB_Server"
-
-  baseurl="https://$MIAB_Server/admin/dns/custom/$fulldomain/txt"
+  _debug2 _sub_domain "$_sub_domain"
+  _debug2 _domain "$_domain"
 
   #Remove the challenge record
-  result="$(_miab_post "$txtvalue" "$baseurl" "DELETE" "$MIAB_Username" "$MIAB_Password")"
-
-  _debug result "$result"
+  _api_path="custom/${fulldomain}/txt"
+	  _miab_rest "$txtvalue" "$_api_path" "DELETE"
 
   #check if result was good
-  if _contains "$result" "updated DNS"; then
-    _info "Successfully created the txt record"
+  if _contains "$response" "updated DNS"; then
+    _info "Successfully removed the txt record"
     return 0
   else
-    _err "Error encountered during record addition"
-    _err "$result"
+    _err "Error encountered during record remove"
+    _err "$response"
     return 1
   fi
 }
 
 ####################  Private functions below ##################################
 #
-# post changes to MIAB dns (taken from acme.sh)
-_miab_post() {
-  body="$1"
-  _post_url="$2"
-  httpmethod="$3"
-  username="$4"
-  password="$5"
-
-  if [ -z "$httpmethod" ]; then
-    httpmethod="POST"
+#Usage: _get_root  _acme-challenge.www.domain.com
+#Returns:
+# _sub_domain=_acme-challenge.www
+# _domain=domain.com
+_get_root() {
+  _passed_domain=$1
+  _debug _passed_domain "$_passed_domain"
+  _i=2
+  _p=1
+
+  #get the zones hosed on MIAB server, must be a json stream
+  _miab_rest "" "zones" "GET"
+
+  _info "_startswith test:$(_startswith "test" "t")"
+  _info "_endstest test:$(_endswith "test" "t")"
+
+  if ! _is_json "$response"; then
+    _err "ERROR fetching domain list"
+    _err "$response"
+    return 1
   fi
 
-  _debug $httpmethod
-  _debug "_post_url" "$_post_url"
-  _debug2 "body" "$body"
-
-  _inithttp
-
-  if [ "$_ACME_CURL" ] && [ "${ACME_USE_WGET:-0}" = "0" ]; then
-    _CURL="$_ACME_CURL"
+  #cycle through the passed domain seperating out a test domain discarding
+  #   the subdomain by marching thorugh the dots
+  while true; do
+    _test_domain=$(printf "%s" "$_passed_domain" | cut -d . -f ${_i}-100)
+    _debug _test_domain "$_test_domain"
 
-    if [ "$HTTPS_INSECURE" ]; then
-      _CURL="$_CURL --insecure  "
+    if [ -z "$_test_domain" ]; then
+      return 1
     fi
 
-    _debug "_CURL" "$_CURL"
-    response="$($_CURL --user-agent "$USER_AGENT" -X $httpmethod --user "$username:$password" -H "$_H1" -H "$_H2" -H "$_H3" -H "$_H4" -H "$_H5" --data "$body" "$_post_url")"
-    _ret="$?"
-
-    if [ "$_ret" != "0" ]; then
-      _err "Please refer to https://curl.haxx.se/libcurl/c/libcurl-errors.html for error code: $_ret"
-      if [ "$DEBUG" ] && [ "$DEBUG" -ge "2" ]; then
-        _err "Here is the curl dump log:"
-        _err "$(cat "$_CURL_DUMP")"
-      fi
+    #report found if the test domain is in the json response and
+    #   report the subdomain
+    if _contains "$response" "\"$_test_domain\""; then
+      _sub_domain=$(printf "%s" "$_passed_domain" | cut -d . -f 1-${_p})
+      _domain=${_test_domain}
+      return 0
     fi
 
-  elif [ "$_ACME_WGET" ]; then
-    _WGET="$_ACME_WGET"
+    #cycle to the next dot in the passed domain
+    _p=${_i}
+    _i=$(_math "$_i" + 1)
+  done
 
-    if [ "$HTTPS_INSECURE" ]; then
-      _WGET="$_WGET --no-check-certificate "
-    fi
+  return 1
+}
 
-    _debug "_WGET" "$_WGET"
+#Usage: _retrieve_miab_env
+#Returns (from store or environment variables):
+# MIAB_Username
+# MIAB_Password
+# MIAB_Server
+#retrieve MIAB environment variables, report errors and quit if problems
+_retrieve_miab_env() {
+  MIAB_Username="${MIAB_Username:-$(_readaccountconf_mutable MIAB_Username)}"
+  MIAB_Password="${MIAB_Password:-$(_readaccountconf_mutable MIAB_Password)}"
+  MIAB_Server="${MIAB_Server:-$(_readaccountconf_mutable MIAB_Server)}"
 
-    if [ "$httpmethod" = "POST" ]; then
-      response="$($_WGET -S -O - --user-agent="$USER_AGENT" --header "$_H5" --header "$_H4" --header "$_H3" --header "$_H2" --header "$_H1" --post-data="$body" "$_post_url" 2>"$HTTP_HEADER")"
-    else
-      response="$($_WGET -S -O - --user-agent="$USER_AGENT" --header "$_H5" --header "$_H4" --header "$_H3" --header "$_H2" --header "$_H1" --method $httpmethod --body-data="$body" "$_post_url" 2>"$HTTP_HEADER")"
-    fi
+  #debug log the environmental variables
+  _debug MIAB_Username "$MIAB_Username"
+  _debug MIAB_Password "$MIAB_Password"
+  _debug MIAB_Server "$MIAB_Server"
 
-    _ret="$?"
+  #check if MIAB environemt vars set and quit if not
+  if [ -z "$MIAB_Username" ] || [ -z "$MIAB_Password" ] || [ -z "$MIAB_Server" ]; then
+    _err "You didn't specify one or more of MIAB_Username, MIAB_Password or MIAB_Server."
+    _err "Please check these environment variables and try again."
+    return 1
+  fi
 
-    if [ "$_ret" = "8" ]; then
-      _ret=0
-      _debug "wget returns 8, the server returns a 'Bad request' response, lets process the response later."
-    fi
+  #save the credentials to the account conf file.
+  _saveaccountconf_mutable MIAB_Username "$MIAB_Username"
+  _saveaccountconf_mutable MIAB_Password "$MIAB_Password"
+  _saveaccountconf_mutable MIAB_Server "$MIAB_Server"
+}
 
-    if [ "$_ret" != "0" ]; then
-      _err "Please refer to https://www.gnu.org/software/wget/manual/html_node/Exit-Status.html for error code: $_ret"
-    fi
+#Useage: _miab_rest  "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"  "custom/_acme-challenge.www.domain.com/txt  "POST"
+#Returns: "updated DNS: domain.com"
+#rest interface MIAB dns
+_miab_rest() {
+  _data="$1"
+  _api_path="$2"
+  _httpmethod="$3"
+
+  #encode username and password for url
+  _username="$(printf "%s" "$MIAB_Username" | _url_encode)"
+  _password="$(printf "%s" "$MIAB_Password" | _url_encode)"
+  _url="https://${_username}:${_password}@${MIAB_Server}/admin/dns/${_api_path}"
+
+  _debug2 _data "$_data"
+  _debug _api_path "$_api_path"
+  _debug2 _url "$_url"
+  _debug _httpmethod "$_httpmethod"
+
+  if [ "$_httpmethod" = "GET" ]; then
+    response="$(_get "$_url")"
+  else
+    response="$(_post "$_data" "$_url" "" "$_httpmethod")"
+  fi
 
-    _sed_i "s/^ *//g" "$HTTP_HEADER"
+  _retcode="$?"
 
-  else
-    _ret="$?"
-    _err "Neither curl nor wget was found, cannot do $httpmethod."
+  if [ "$_retcode" != "0" ]; then
+    _err "MAAB REST authentication failed on $_httpmethod"
+    return 1
   fi
 
-  _debug "_ret" "$_ret"
-  printf "%s" "$response"
-  return $_ret
+  _debug response "$response"
+  return 0
+}
+
+#Usage: _is_json  "\[\n   "mydomain.com"\n]"
+#Reurns "\[\n   "mydomain.com"\n]"
+#returns the string if it begins and ends with square braces
+_is_json() {
+  _str="$(echo "$1" | _normalizeJson)"
+  echo "$_str" | grep '^\[.*\]$' >/dev/null 2>&1
 }