diff --git a/security/acme-client/pkg-descr b/security/acme-client/pkg-descr
index 67271d443..b559755f7 100644
--- a/security/acme-client/pkg-descr
+++ b/security/acme-client/pkg-descr
@@ -10,6 +10,9 @@ Plugin Changelog
 
 2.2
 
+Added:
+* add support for hexonet.com DNS API (#2134)
+
 Fixed:
 * fix DNS challenge alias mode (#2128, #2130)
 
diff --git a/security/acme-client/src/opnsense/mvc/app/controllers/OPNsense/AcmeClient/forms/dialogValidation.xml b/security/acme-client/src/opnsense/mvc/app/controllers/OPNsense/AcmeClient/forms/dialogValidation.xml
index 00ca5e203..e6999e3a9 100644
--- a/security/acme-client/src/opnsense/mvc/app/controllers/OPNsense/AcmeClient/forms/dialogValidation.xml
+++ b/security/acme-client/src/opnsense/mvc/app/controllers/OPNsense/AcmeClient/forms/dialogValidation.xml
@@ -1221,4 +1221,20 @@
         <label>deSEC domain</label>
         <type>text</type>
     </field>
+    <field>
+        <label>hexonet.com DNS API</label>
+        <type>header</type>
+        <style>table_dns table_dns_hexonet</style>
+    </field>
+    <field>
+        <id>validation.dns_hexonet_login</id>
+        <label>Login</label>
+        <type>text</type>
+        <help>This should be a combination of the username and role ID. For example, when the username is "myuser" and role ID is "testrole", then "myuser!testrole" must be used here.</help>
+    </field>
+    <field>
+        <id>validation.dns_hexonet_password</id>
+        <label>Password</label>
+        <type>password</type>
+    </field>
 </form>
diff --git a/security/acme-client/src/opnsense/mvc/app/library/OPNsense/AcmeClient/LeValidation/DnsHexonet.php b/security/acme-client/src/opnsense/mvc/app/library/OPNsense/AcmeClient/LeValidation/DnsHexonet.php
new file mode 100644
index 000000000..570b59dbf
--- /dev/null
+++ b/security/acme-client/src/opnsense/mvc/app/library/OPNsense/AcmeClient/LeValidation/DnsHexonet.php
@@ -0,0 +1,45 @@
+<?php
+
+/*
+ * Copyright (C) 2020 Frank Wall
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+ * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+namespace OPNsense\AcmeClient\LeValidation;
+
+use OPNsense\AcmeClient\LeValidationInterface;
+use OPNsense\Core\Config;
+
+/**
+ * Hexonet DNS API
+ * @package OPNsense\AcmeClient
+ */
+class DnsHexonet extends Base implements LeValidationInterface
+{
+    public function prepare()
+    {
+        $this->acme_env['Hexonet_Login'] = (string)$this->config->dns_hexonet_login;
+        $this->acme_env['Hexonet_Password'] = (string)$this->config->dns_hexonet_password;
+    }
+}
diff --git a/security/acme-client/src/opnsense/mvc/app/models/OPNsense/AcmeClient/AcmeClient.xml b/security/acme-client/src/opnsense/mvc/app/models/OPNsense/AcmeClient/AcmeClient.xml
index b87b20dbc..02722c751 100644
--- a/security/acme-client/src/opnsense/mvc/app/models/OPNsense/AcmeClient/AcmeClient.xml
+++ b/security/acme-client/src/opnsense/mvc/app/models/OPNsense/AcmeClient/AcmeClient.xml
@@ -401,6 +401,7 @@
                         <dns_gcloud>Google Cloud DNS API</dns_gcloud>
                         <dns_gdnsdk>GratisDNS.dk</dns_gdnsdk>
                         <dns_hetzner>Hetzner DNS API</dns_hetzner>
+                        <dns_hexonet>hexonet.com DNS API</dns_hexonet>
                         <dns_hostingde>hosting.de API</dns_hostingde>
                         <dns_he>Hurricane Electric</dns_he>
                         <dns_infoblox>Infoblox API</dns_infoblox>
@@ -917,6 +918,12 @@
                 <dns_hetzner_token type="TextField">
                     <Required>N</Required>
                 </dns_hetzner_token>
+                <dns_hexonet_login type="TextField">
+                    <Required>N</Required>
+                </dns_hexonet_login>
+                <dns_hexonet_password type="TextField">
+                    <Required>N</Required>
+                </dns_hexonet_password>
                 <dns_1984hosting_user type="TextField">
                     <Required>N</Required>
                 </dns_1984hosting_user>