diff --git a/admin_domains.php b/admin_domains.php
index c295387c..408e64bc 100644
--- a/admin_domains.php
+++ b/admin_domains.php
@@ -636,6 +636,23 @@ if ($page == 'domains' || $page == 'overview') {
 				'alert_msg' => lng('domains.import_description')
 			]);
 		}
+	} elseif ($action == 'duplicate') {
+		if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			try {
+				Domains::getLocal($userinfo, $_POST)->duplicate();
+			} catch (Exception $e) {
+				Response::dynamicError($e->getMessage());
+			}
+			Response::redirectTo($filename, [
+				'page' => $page,
+				'searchfield' => 'd.domain_ace',
+				'searchtext' => $_POST['domain'] ?? ""
+			]);
+		} else {
+			Response::redirectTo($filename, [
+				'page' => 'overview'
+			]);
+		}
 	}
 } elseif ($page == 'domainssleditor') {
 	require_once __DIR__ . '/ssl_editor.php';
diff --git a/lib/Froxlor/Api/Commands/Domains.php b/lib/Froxlor/Api/Commands/Domains.php
index ab81efd5..1b4bf6f2 100644
--- a/lib/Froxlor/Api/Commands/Domains.php
+++ b/lib/Froxlor/Api/Commands/Domains.php
@@ -110,7 +110,7 @@ class Domains extends ApiCommand implements ResourceEntity
 	 *
 	 * @param number $domain_id
 	 * @param bool $ssl_only
-	 *            optional, return only ssl enabled ip's, default false
+	 *            optional, return only ssl enabled ips, default false
 	 * @return array
 	 */
 	private function getIpsForDomain($domain_id = 0, $ssl_only = false)
@@ -207,7 +207,7 @@ class Domains extends ApiCommand implements ResourceEntity
 	 * @param string $ssl_specialsettings
 	 *            optional, custom webserver vhost-content which is added to the generated ssl-vhost, default empty
 	 * @param bool $include_specialsettings
-	 *            optional, whether or not to include non-ssl specialsettings in the generated ssl-vhost, default false
+	 *            optional, whether to include non-ssl specialsettings in the generated ssl-vhost, default false
 	 * @param bool $notryfiles
 	 *            optional, [nginx only] do not generate the default try-files directive, default 0 (false)
 	 * @param bool $writeaccesslog
@@ -216,7 +216,7 @@ class Domains extends ApiCommand implements ResourceEntity
 	 *            optional, Enable writing an error-log file for this domain, default 1 (true)
 	 * @param string $documentroot
 	 *            optional, specify homedir of domain by specifying a directory (relative to customer-docroot), be
-	 *            aware, if path starts with / it it considered a full path, not relative to customer-docroot. Also
+	 *            aware, if path starts with / it is considered a full path, not relative to customer-docroot. Also
 	 *            specifying a URL is possible here (redirect), default empty (autogenerated)
 	 * @param bool $phpenabled
 	 *            optional, whether php is enabled for this domain, default 0 (false)
@@ -241,7 +241,7 @@ class Domains extends ApiCommand implements ResourceEntity
 	 *            optional, do NOT set the systems default ssl ip addresses if none are given via $ssl_ipandport
 	 *            parameter
 	 * @param bool $sslenabled
-	 *            optional, whether or not SSL is enabled for this domain, regardless of the assigned ssl-ips, default
+	 *            optional, whether SSL is enabled for this domain, regardless of the assigned ssl-ips, default
 	 *            1 (true)
 	 * @param bool $http2
 	 *            optional, whether to enable http/2 for this domain (requires to be enabled in the settings), default
@@ -249,9 +249,9 @@ class Domains extends ApiCommand implements ResourceEntity
 	 * @param int $hsts_maxage
 	 *            optional max-age value for HSTS header
 	 * @param bool $hsts_sub
-	 *            optional whether or not to add subdomains to the HSTS header
+	 *            optional whether to add subdomains to the HSTS header
 	 * @param bool $hsts_preload
-	 *            optional whether or not to preload HSTS header value
+	 *            optional whether to preload HSTS header value
 	 * @param bool $ocsp_stapling
 	 *            optional whether to enable ocsp-stapling for this domain. default 0 (false), requires SSL
 	 * @param bool $honorcipherorder
@@ -260,7 +260,7 @@ class Domains extends ApiCommand implements ResourceEntity
 	 *            optional whether to enable or disable TLS sessiontickets (RFC 5077) for this domain. default 1
 	 *            (true), requires SSL
 	 * @param bool $override_tls
-	 *            optional whether or not to override system-tls settings like protocol, ssl-ciphers and if applicable
+	 *            optional whether to override system-tls settings like protocol, ssl-ciphers and if applicable
 	 *            tls-1.3 ciphers, requires change_serversettings flag for the admin, default false
 	 * @param array $ssl_protocols
 	 *            optional list of allowed/used ssl/tls protocols, see system.ssl_protocols setting, only used/required
@@ -1076,7 +1076,7 @@ class Domains extends ApiCommand implements ResourceEntity
 	 * @param string $ssl_specialsettings
 	 *            optional, custom webserver vhost-content which is added to the generated ssl-vhost, default empty
 	 * @param bool $include_specialsettings
-	 *            optional, whether or not to include non-ssl specialsettings in the generated ssl-vhost, default false
+	 *            optional, whether to include non-ssl specialsettings in the generated ssl-vhost, default false
 	 * @param bool $specialsettingsforsubdomains
 	 *            optional, whether to apply specialsettings to all subdomains of this domain, default is read from
 	 *            setting system.apply_specialsettings_default
@@ -1088,7 +1088,7 @@ class Domains extends ApiCommand implements ResourceEntity
 	 *            optional, Enable writing an error-log file for this domain, default 1 (true)
 	 * @param string $documentroot
 	 *            optional, specify homedir of domain by specifying a directory (relative to customer-docroot), be
-	 *            aware, if path starts with / it it considered a full path, not relative to customer-docroot. Also
+	 *            aware, if path starts with / it is considered a full path, not relative to customer-docroot. Also
 	 *            specifying a URL is possible here (redirect), default empty (autogenerated)
 	 * @param bool $phpenabled
 	 *            optional, whether php is enabled for this domain, default 0 (false)
@@ -1117,7 +1117,7 @@ class Domains extends ApiCommand implements ResourceEntity
 	 *            optional, if set to true and no $ssl_ipandport value is given, the ip's get removed, otherwise, the
 	 *            currently set value is used, default false
 	 * @param bool $sslenabled
-	 *            optional, whether or not SSL is enabled for this domain, regardless of the assigned ssl-ips, default
+	 *            optional, whether SSL is enabled for this domain, regardless of the assigned ssl-ips, default
 	 *            1 (true)
 	 * @param bool $http2
 	 *            optional, whether to enable http/2 for this domain (requires to be enabled in the settings), default
@@ -1125,9 +1125,9 @@ class Domains extends ApiCommand implements ResourceEntity
 	 * @param int $hsts_maxage
 	 *            optional max-age value for HSTS header
 	 * @param bool $hsts_sub
-	 *            optional whether or not to add subdomains to the HSTS header
+	 *            optional whether to add subdomains to the HSTS header
 	 * @param bool $hsts_preload
-	 *            optional whether or not to preload HSTS header value
+	 *            optional whether to preload HSTS header value
 	 * @param bool $ocsp_stapling
 	 *            optional whether to enable ocsp-stapling for this domain. default 0 (false), requires SSL
 	 * @param bool $honorcipherorder
@@ -2187,4 +2187,114 @@ class Domains extends ApiCommand implements ResourceEntity
 		}
 		throw new Exception("Not allowed to execute given command.", 403);
 	}
+
+	/**
+	 * duplicate domain entry by either id or domainname. All parameters from Domains.add() can be used
+	 * to overwrite source entity values if necessary.
+	 *
+	 * @param int $id
+	 *            optional, the domain-id
+	 * @param string $domainname
+	 *            optional, the domainname
+	 * @param string $domain
+	 *            required, name of the new domain to be added
+	 *
+	 * @access admin
+	 * @return string json-encoded array
+	 * @throws Exception
+	 */
+	public function duplicate()
+	{
+		if ($this->isAdmin()) {
+			// parameters
+			$id = $this->getParam('id', true, 0);
+			$dn_optional = $id > 0;
+			$domainname = $this->getParam('domainname', $dn_optional, '');
+			$p_domain = $this->getParam('domain');
+
+			// get requested domain
+			$result = $this->apiCall('Domains.get', [
+				'id' => $id,
+				'domainname' => $domainname,
+			]);
+
+			// clear some defaults
+			unset($result['domain_ace']);
+			unset($result['adminid']);
+			unset($result['documentroot']);
+			unset($result['registration_date']);
+			unset($result['termination_date']);
+			unset($result['zonefile']);
+			// clear auto-generated values
+			unset($result['bindserial']);
+			unset($result['dkim_privkey']);
+			unset($result['dkim_pubkey']);
+			// clear api-call generated fields
+			unset($result['domain_hascert']);
+
+			// set correct ip/port information
+			$domain_ips = $result['ipsandports'];
+			unset($result['ipsandports']);
+			$result['ipandport'] = [];
+			$result['ssl_ipandport'] = [];
+			foreach ($domain_ips as $dip) {
+				if ($dip['ssl'] == 1) {
+					$result['ssl_ipandport'][] = $dip['id'];
+				} else {
+					$result['ipandport'][] = $dip['id'];
+				}
+			}
+
+			// check whether we are changing the customer/owner
+			if ($this->getParam('customerid', true, 0) == 0 && $this->getParam('loginname', true, '') == '') {
+				$customerid = $result['customerid'];
+			} else {
+				$customer = $this->getCustomerData();
+				$customerid = $customer['customerid'];
+			}
+
+			// check for alias-domain and whether it belongs to the target user
+			if (!empty($result['aliasdomain']) && $customerid == $result['customerid']) {
+				// duplicate alias entry
+				$result['alias'] = $result['aliasdomain'];
+			}
+			unset($result['aliasdomain']);
+
+			// validate possible fpm configs and whether the customer is allowed to use them
+			if ($customerid != $result['customerid']) {
+				$allowed_phpconfigs = json_decode($customer['allowed_phpconfigs'] ?? '[]', true);
+				if (empty($allowed_phpconfigs)) {
+					// system defaults
+					unset($result['phpsettingid']);
+				} elseif (!in_array($result['phpsettingid'], $allowed_phpconfigs)) {
+					// use the first customer allowed config
+					$result['phpsettingid'] = array_shift($allowed_phpconfigs);
+				}
+			}
+
+			// translate serveralias values
+			$result['selectserveralias'] = 2;
+			if ((int)$result['wwwserveralias'] == 1) {
+				$result['selectserveralias'] = 1;
+			} elseif ((int)$result['iswildcarddomain'] == 1) {
+				$result['selectserveralias'] = 0;
+			}
+			unset($result['wwwserveralias']);
+			unset($result['iswildcarddomain']);
+
+			$additional_params = $this->getParamList();
+			// unset unneeded params from this call
+			unset($additional_params['id']);
+			unset($additional_params['domainname']);
+			unset($additional_params['domain']);
+
+			// set new values and merge with optional add() parameters
+			$new_domain = array_merge($result, $additional_params);
+			$new_domain['domain'] = $p_domain;
+
+			$result_new = $this->apiCall('Domains.add', $new_domain);
+			return $this->response($result_new);
+		}
+		throw new Exception("Not allowed to execute given command.", 403);
+	}
 }
diff --git a/lib/Froxlor/UI/Callbacks/Text.php b/lib/Froxlor/UI/Callbacks/Text.php
index 3edfb72e..2ec9735e 100644
--- a/lib/Froxlor/UI/Callbacks/Text.php
+++ b/lib/Froxlor/UI/Callbacks/Text.php
@@ -25,10 +25,13 @@
 
 namespace Froxlor\UI\Callbacks;
 
+use Froxlor\CurrentUser;
+use Froxlor\Database\Database;
 use Froxlor\Froxlor;
 use Froxlor\PhpHelper;
 use Froxlor\UI\Panel\UI;
 use Froxlor\User;
+use PDO;
 
 class Text
 {
@@ -105,4 +108,44 @@ class Text
 			'body' => $body
 		];
 	}
+
+	public static function domainDuplicateModal(array $attributes): array
+	{
+		$linker = UI::getLinker();
+		$result = $attributes['fields'];
+
+		$customers = [
+			0 => lng('panel.please_choose')
+		];
+		$result_customers_stmt = Database::prepare("
+			SELECT `customerid`, `loginname`, `name`, `firstname`, `company`
+			FROM `" . TABLE_PANEL_CUSTOMERS . "` " . (CurrentUser::getField('customers_see_all') ? '' : " WHERE `adminid` = :adminid ") . "
+			ORDER BY COALESCE(NULLIF(`name`,''), `company`) ASC
+		");
+		$params = [];
+		if (CurrentUser::getField('customers_see_all') == '0') {
+			$params['adminid'] = CurrentUser::getField('adminid');
+		}
+		Database::pexecute($result_customers_stmt, $params);
+
+		while ($row_customer = $result_customers_stmt->fetch(PDO::FETCH_ASSOC)) {
+			$customers[$row_customer['customerid']] = User::getCorrectFullUserDetails($row_customer) . ' (' . $row_customer['loginname'] . ')';
+		}
+
+		$domdup_data = include Froxlor::getInstallDir() . '/lib/formfields/admin/domains/formfield.domains_duplicate.php';
+
+		$body = UI::twig()->render(UI::validateThemeTemplate('/user/inline-form.html.twig'), [
+			'formaction' => $linker->getLink(['section' => 'domains', 'page' => 'domains', 'action' => 'duplicate']),
+			'formdata' => $domdup_data['domain_duplicate'],
+			'editid' => $attributes['fields']['id'],
+			'nosubmit' => 0
+		]);
+		return [
+			'entry' => $attributes['fields']['id'],
+			'id' => 'ddModal' . $attributes['fields']['id'],
+			'title' => lng('admin.domain_duplicate_named', [$attributes['fields']['domain']]),
+			'action' => 'duplicate',
+			'body' => $body
+		];
+	}
 }
diff --git a/lib/tablelisting/admin/tablelisting.domains.php b/lib/tablelisting/admin/tablelisting.domains.php
index 11f8ec5e..17aa75bc 100644
--- a/lib/tablelisting/admin/tablelisting.domains.php
+++ b/lib/tablelisting/admin/tablelisting.domains.php
@@ -161,6 +161,11 @@ return [
 					'id' => ':id'
 				],
 			],
+			'duplicate' => [
+				'icon' => 'fa-solid fa-clone',
+				'title' => lng('admin.domain_duplicate'),
+				'modal' => [Text::class, 'domainDuplicateModal'],
+			],
 			'logfiles' => [
 				'icon' => 'fa-solid fa-file',
 				'title' => lng('panel.viewlogs'),
diff --git a/lng/de.lng.php b/lng/de.lng.php
index 6cf9fcf9..ff39aa19 100644
--- a/lng/de.lng.php
+++ b/lng/de.lng.php
@@ -489,6 +489,8 @@ return [
 		'adminguide' => 'Admin Guide',
 		'userguide' => 'User Guide',
 		'apiguide' => 'API Guide',
+		'domain_duplicate' => 'Domain duplizieren',
+		'domain_duplicate_named' => '%s duplizieren',
 	],
 	'apikeys' => [
 		'no_api_keys' => 'Keine API Keys gefunden',
diff --git a/lng/en.lng.php b/lng/en.lng.php
index 9169ec37..f92730a0 100644
--- a/lng/en.lng.php
+++ b/lng/en.lng.php
@@ -500,6 +500,8 @@ return [
 		'adminguide' => 'Admin guide',
 		'userguide' => 'User guide',
 		'apiguide' => 'API guide',
+		'domain_duplicate' => 'Duplicate domain',
+		'domain_duplicate_named' => 'Duplicate %s',
 	],
 	'apcuinfo' => [
 		'clearcache' => 'Clear APCu cache',
diff --git a/templates/Froxlor/user/inline-form.html.twig b/templates/Froxlor/user/inline-form.html.twig
index 0df2fc4d..7c92faa1 100644
--- a/templates/Froxlor/user/inline-form.html.twig
+++ b/templates/Froxlor/user/inline-form.html.twig
@@ -1,2 +1,2 @@
 {% import "Froxlor/form/form.html.twig" as form %}
-{{ form.form(formdata, formaction|default('#'), formdata.title, editid|default(''), true, idprefix|default('')) }}
+{{ form.form(formdata, formaction|default('#'), formdata.title, editid|default(''), nosubmit|default(true), idprefix|default('')) }}
diff --git a/tests/Domains/DomainsTest.php b/tests/Domains/DomainsTest.php
index 716f18e6..48a771f2 100644
--- a/tests/Domains/DomainsTest.php
+++ b/tests/Domains/DomainsTest.php
@@ -385,6 +385,26 @@ class DomainsTest extends TestCase
 	 *
 	 * @depends testAdminDomainsMove
 	 */
+	public function testAdminDomainsDuplicate()
+	{
+		global $admin_userdata;
+		$data = [
+			'domainname' => 'test.local',
+			'domain' => 'test.duplicate.local',
+			'description' => 'duplicated domain'
+		];
+		$json_result = Domains::getLocal($admin_userdata, $data)->duplicate();
+		$result = json_decode($json_result, true)['data'];
+		$this->assertEquals('/var/customers/webs/test3/test.duplicate.local/', $result['documentroot']);
+		$this->assertEquals(1, $result['email_only']);
+		$this->assertEquals('test.duplicate.local', $result['domain']);
+		$this->assertEquals('duplicated domain', $result['description']);
+	}
+
+	/**
+	 *
+	 * @depends testAdminDomainsDuplicate
+	 */
 	public function testAdminDomainsDelete()
 	{
 		global $admin_userdata;