diff --git a/dnsapi/dns_dnsmasq.sh b/dnsapi/dns_dnsmasq.sh
new file mode 100755
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--- /dev/null
+++ b/dnsapi/dns_dnsmasq.sh
@@ -0,0 +1,48 @@
+#!/usr/bin/env sh
+
+#This is useful when the server is running its own authzone on dnsmasq
+#This file name is "dns_dnsmasq.sh"
+#returns 0 means success, otherwise error.
+#
+#Author: rodvlopes
+#Report Bugs here: https://github.com/acmesh-official/acme.sh
+#
+########  Public functions #####################
+
+# Please Read this guide first: https://github.com/acmesh-official/acme.sh/wiki/DNS-API-Dev-Guide
+
+#Usage: dns_dnsmasq_add   _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
+dns_dnsmasq_add() {
+  fulldomain=$1
+  txtvalue=$2
+  _info "Using dnsmasq"
+  _debug fulldomain "$fulldomain"
+  _debug txtvalue "$txtvalue"
+  _add_txt_to_dnsmasqconf "$fulldomain" "$txtvalue"
+}
+
+#Usage: fulldomain txtvalue
+#Remove the txt record after validation.
+dns_dnsmasq_rm() {
+  fulldomain=$1
+  txtvalue=$2
+  _info "Using dnsmasq"
+  _debug fulldomain "$fulldomain"
+  _debug txtvalue "$txtvalue"
+  _rm_txt_from_dnsmasqconf "$fulldomain"
+}
+
+####################  Private functions below ##################################
+
+_add_txt_to_dnsmasqconf() {
+  fulldomain=$1
+  txtvalue=$2
+  echo "txt-record=$1,\"$2\"" >> /etc/dnsmasq.conf
+  systemctl restart dnsmasq.service
+}
+
+_rm_txt_from_dnsmasqconf() {
+  fulldomain=$1
+  sed -i "/$fulldomain/d" /etc/dnsmasq.conf
+  systemctl restart dnsmasq.service
+}