diff --git a/dnsapi/dns_regru.sh b/dnsapi/dns_regru.sh
index 369f62ad..a952e31f 100644
--- a/dnsapi/dns_regru.sh
+++ b/dnsapi/dns_regru.sh
@@ -5,7 +5,6 @@
 #
 # REGRU_API_Password="test"
 #
-_domain=$_domain
 
 REGRU_API_URL="https://api.reg.ru/api/regru2"
 
@@ -27,10 +26,17 @@ dns_regru_add() {
   _saveaccountconf_mutable REGRU_API_Username "$REGRU_API_Username"
   _saveaccountconf_mutable REGRU_API_Password "$REGRU_API_Password"
 
+  _debug "First detect the root zone"
+  if ! _get_root "$fulldomain"; then
+    _err "invalid domain"
+    return 1
+  fi
+  _debug _domain "$_domain"
+
   _info "Adding TXT record to ${fulldomain}"
-  response="$(_get "$REGRU_API_URL/zone/add_txt?input_data={%22username%22:%22${REGRU_API_Username}%22,%22password%22:%22${REGRU_API_Password}%22,%22domains%22:[{%22dname%22:%22${_domain}%22}],%22subdomain%22:%22_acme-challenge%22,%22text%22:%22${txtvalue}%22,%22output_content_type%22:%22plain%22}&input_format=json")"
+  _regru_rest POST "zone/add_txt" "input_data={%22username%22:%22${REGRU_API_Username}%22,%22password%22:%22${REGRU_API_Password}%22,%22domains%22:[{%22dname%22:%22${_domain}%22}],%22subdomain%22:%22_acme-challenge%22,%22text%22:%22${txtvalue}%22,%22output_content_type%22:%22plain%22}&input_format=json"
 
-  if _contains "${response}" 'success'; then
+  if ! _contains "${response}" 'error'; then
     return 0
   fi
   _err "Could not create resource record, check logs"
@@ -51,13 +57,64 @@ dns_regru_rm() {
     return 1
   fi
 
+  _debug "First detect the root zone"
+  if ! _get_root "$fulldomain"; then
+    _err "invalid domain"
+    return 1
+  fi
+  _debug _domain "$_domain"
+
   _info "Deleting resource record $fulldomain"
-  response="$(_get "$REGRU_API_URL/zone/remove_record?input_data={%22username%22:%22${REGRU_API_Username}%22,%22password%22:%22${REGRU_API_Password}%22,%22domains%22:[{%22dname%22:%22${_domain}%22}],%22subdomain%22:%22_acme-challenge%22,%22content%22:%22${txtvalue}%22,%22record_type%22:%22TXT%22,%22output_content_type%22:%22plain%22}&input_format=json")"
+  _regru_rest POST "zone/remove_record" "input_data={%22username%22:%22${REGRU_API_Username}%22,%22password%22:%22${REGRU_API_Password}%22,%22domains%22:[{%22dname%22:%22${_domain}%22}],%22subdomain%22:%22_acme-challenge%22,%22content%22:%22${txtvalue}%22,%22record_type%22:%22TXT%22,%22output_content_type%22:%22plain%22}&input_format=json"
 
-  if _contains "${response}" 'success'; then
+  if ! _contains "${response}" 'error'; then
     return 0
   fi
   _err "Could not delete resource record, check logs"
   _err "${response}"
   return 1
 }
+
+####################  Private functions below ##################################
+#_acme-challenge.www.domain.com
+#returns
+# _domain=domain.com
+_get_root() {
+  domain=$1
+
+  _regru_rest POST "service/get_list" "username=${REGRU_API_Username}&password=${REGRU_API_Password}&output_format=xml&servtype=domain"
+  domains_list=$(echo "${response}" | grep dname | sed -r "s/.*dname=\"([^\"]+)\".*/\\1/g")
+
+  for ITEM in ${domains_list}
+  do
+    case "${domain}" in
+      *${ITEM}*)
+      _domain=${ITEM}
+      return 0
+      ;;
+    esac
+  done
+
+  return 1
+}
+
+#returns
+# response
+_regru_rest() {
+  m=$1
+  ep="$2"
+  data="$3"
+  _debug "$ep"
+
+  export _H1="Content-Type: application/x-www-form-urlencoded"
+
+  if [ "$m" != "GET" ]; then
+    _debug data "$data"
+    response="$(_post "$data" "$REGRU_API_URL/$ep" "" "$m")"
+  else
+    response="$(_get "$REGRU_API_URL/$ep")"
+  fi
+
+  _debug2 response "${response}"
+  return 0
+}
\ No newline at end of file