diff --git a/security/acme-client/pkg-descr b/security/acme-client/pkg-descr
index c4183c106..0eb8aefa2 100644
--- a/security/acme-client/pkg-descr
+++ b/security/acme-client/pkg-descr
@@ -19,6 +19,7 @@ Added:
 * add ConoHa DNS API
 * add Constellix DNS API
 * add Exoscale DNS API
+* add internetbs.net DNS API
 
 Changed:
 * use a dedicated acme.sh runtime directory for every cert (#3127)
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 3ec67c095..321d5d828 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
@@ -1772,4 +1772,19 @@
         <label>Secret Key</label>
         <type>password</type>
     </field>
+    <field>
+        <label>internetbs.net</label>
+        <type>header</type>
+        <style>table_dns table_dns_internetbs</style>
+    </field>
+    <field>
+        <id>validation.dns_internetbs_key</id>
+        <label>API Key</label>
+        <type>text</type>
+    </field>
+    <field>
+        <id>validation.dns_internetbs_password</id>
+        <label>Password</label>
+        <type>password</type>
+    </field>
 </form>
diff --git a/security/acme-client/src/opnsense/mvc/app/library/OPNsense/AcmeClient/LeValidation/DnsInternetbs.php b/security/acme-client/src/opnsense/mvc/app/library/OPNsense/AcmeClient/LeValidation/DnsInternetbs.php
new file mode 100644
index 000000000..3d9f40e80
--- /dev/null
+++ b/security/acme-client/src/opnsense/mvc/app/library/OPNsense/AcmeClient/LeValidation/DnsInternetbs.php
@@ -0,0 +1,44 @@
+<?php
+
+/*
+ * Copyright (C) 2024 Frank Wall
+ *
+ * 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;
+
+/**
+ * internetbs.net API
+ * @package OPNsense\AcmeClient
+ */
+class DnsInternetbs extends Base implements LeValidationInterface
+{
+    public function prepare()
+    {
+        $this->acme_env['INTERNETBS_API_KEY'] = (string)$this->config->dns_internetbs_key;
+        $this->acme_env['INTERNETBS_API_PASSWORD'] = (string)$this->config->dns_internetbs_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 b4470c465..4327f6d39 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
@@ -471,6 +471,7 @@
                         <dns_he>Hurricane Electric</dns_he>
                         <dns_infoblox>Infoblox</dns_infoblox>
                         <dns_infomaniak>Infomaniak</dns_infomaniak>
+                        <dns_internetbs>internetbs.net</dns_internetbs>
                         <dns_inwx>INWX XMLRPC</dns_inwx>
                         <dns_ionos>IONOS domain</dns_ionos>
                         <dns_ipv64>IPv64.net</dns_ipv64>
@@ -1230,6 +1231,12 @@
                 <dns_exoscale_secret type="TextField">
                     <Required>N</Required>
                 </dns_exoscale_secret>
+                <dns_internetbs_key type="TextField">
+                    <Required>N</Required>
+                </dns_internetbs_key>
+                <dns_internetbs_password type="TextField">
+                    <Required>N</Required>
+                </dns_internetbs_password>
             </validation>
         </validations>
         <actions>