diff --git a/.env b/.env
index ad973f24f9..29861820c2 100644
--- a/.env
+++ b/.env
@@ -26,7 +26,7 @@ _APP_DNS=172.16.238.100 # CoreDNS
 _APP_DOMAIN=appwrite.test
 _APP_CONSOLE_DOMAIN=localhost
 _APP_DOMAIN_FUNCTIONS=functions.localhost
-_APP_DOMAIN_SITES=sites.localhost
+_APP_DOMAIN_SITES=sites.localhost,branded.localhost
 _APP_DOMAIN_TARGET_CNAME=cname.localhost
 _APP_DOMAIN_TARGET_A=203.0.0.1
 _APP_DOMAIN_TARGET_AAAA=::1
diff --git a/app/config/platform.php b/app/config/platform.php
index 913390ae5e..19a7a4986a 100644
--- a/app/config/platform.php
+++ b/app/config/platform.php
@@ -2,6 +2,13 @@
 
 use Utopia\System\System;
 
+// For now, take first domain as primary (for previews)
+// Later-on this can become platform-specific with new env var (appwrite=this,imagine=that)
+$sitePreviewDomain = System::getEnv('_APP_DOMAIN_SITES', '');
+if (\str_contains($sitePreviewDomain, ',')) {
+    $sitePreviewDomain = explode(',', $sitePreviewDomain)[0];
+}
+
 /**
  * Platform configuration
  */
@@ -23,5 +30,5 @@ return [
     'privacyUrl' => APP_EMAIL_PRIVACY_URL,
     'websiteUrl' => 'https://' . APP_DOMAIN,
     'emailSenderName' => APP_EMAIL_PLATFORM_NAME,
-    'sitePreviewDomain' => System::getEnv('_APP_DOMAIN_SITES', ''),
+    'sitePreviewDomain' => $sitePreviewDomain,
 ];
diff --git a/app/controllers/general.php b/app/controllers/general.php
index 40bcdf4ea3..09bb1a5ff8 100644
--- a/app/controllers/general.php
+++ b/app/controllers/general.php
@@ -85,22 +85,32 @@ function router(App $utopia, Database $dbForPlatform, callable $getProjectDB, Sw
     $platformHostnames = $platform['hostnames'] ?? [];
 
     if ($rule->isEmpty()) {
-        $appDomainFunctionsFallback = System::getEnv('_APP_DOMAIN_FUNCTIONS_FALLBACK', '');
-        $appDomainFunctions = System::getEnv('_APP_DOMAIN_FUNCTIONS', '');
-        $appDomainSites = System::getEnv('_APP_DOMAIN_SITES', '');
-        if (!empty($appDomainFunctionsFallback) && \str_ends_with($host, $appDomainFunctionsFallback)) {
-            $appDomainFunctions = $appDomainFunctionsFallback;
+        $denyDomains = [];
+        $denyEnvVars = [
+            System::getEnv('_APP_DOMAIN_FUNCTIONS_FALLBACK', ''),
+            System::getEnv('_APP_DOMAIN_FUNCTIONS', ''),
+            System::getEnv('_APP_DOMAIN_SITES', ''),
+        ];
+        foreach ($denyEnvVars as $denyEnvVar) {
+            foreach (\explode(',', $denyEnvVar) as $denyDomain) {
+                if (empty($denyDomain)) {
+                    continue;
+                }
+                $denyDomains[] = $denyDomain;
+            }
         }
 
-        if ($host === $appDomainFunctions || $host === $appDomainSites) {
-            throw new AppwriteException(AppwriteException::GENERAL_ACCESS_FORBIDDEN, 'This domain cannot be used for security reasons. Please use any subdomain instead.', view: $errorView);
-        }
+        foreach ($denyDomains as $denyDomain) {
+            if ($host === $denyDomain) {
+                throw new AppwriteException(AppwriteException::GENERAL_ACCESS_FORBIDDEN, 'This domain cannot be used for security reasons. Please use any subdomain instead.', view: $errorView);
+            }
 
-        if (\str_ends_with($host, $appDomainFunctions) || \str_ends_with($host, $appDomainSites)) {
-            $exception = new AppwriteException(AppwriteException::RULE_NOT_FOUND, 'This domain is not connected to any Appwrite resources. Visit domains tab under function/site settings to configure it.', view: $errorView);
+            if (\str_ends_with($host, $denyDomain)) {
+                $exception = new AppwriteException(AppwriteException::RULE_NOT_FOUND, 'This domain is not connected to any Appwrite resources. Visit domains tab under function/site settings to configure it.', view: $errorView);
 
-            $exception->addCTA('Start with this domain', $url . '/console');
-            throw $exception;
+                $exception->addCTA('Start with this domain', $url . '/console');
+                throw $exception;
+            }
         }
 
         if (!in_array($host, $platformHostnames)) {
@@ -1094,19 +1104,28 @@ App::init()
 
                // 5. Create new rule
                $owner = '';
-               $fallback = System::getEnv('_APP_DOMAIN_FUNCTIONS_FALLBACK', '');
-               $funcDomain = System::getEnv('_APP_DOMAIN_FUNCTIONS', '');
-               $siteDomain = System::getEnv('_APP_DOMAIN_SITES', '');
 
-               if (!empty($fallback) && \str_ends_with($domain->get(), $fallback)) {
-                   $funcDomain = $fallback;
+               // Mark owner as Appwrite if its appwirte-owned domain
+               $appwriteDomains = [];
+               $appwriteDomainEnvs = [
+                   System::getEnv('_APP_DOMAIN_FUNCTIONS_FALLBACK', ''),
+                   System::getEnv('_APP_DOMAIN_FUNCTIONS', ''),
+                   System::getEnv('_APP_DOMAIN_SITES', ''),
+               ];
+               foreach ($appwriteDomainEnvs as $appwriteDomainEnv) {
+                   foreach (\explode(',', $appwriteDomainEnv) as $appwriteDomain) {
+                       if (empty($appwriteDomain)) {
+                           continue;
+                       }
+                       $appwriteDomains[] = $appwriteDomain;
+                   }
                }
 
-               if (
-                   (!empty($funcDomain) && \str_ends_with($domain->get(), $funcDomain)) ||
-                   (!empty($siteDomain) && \str_ends_with($domain->get(), $siteDomain))
-               ) {
-                   $owner = 'Appwrite';
+               foreach ($appwriteDomains as $appwriteDomain) {
+                   if (\str_ends_with($domain->get(), $appwriteDomain)) {
+                       $owner = 'Appwrite';
+                       break;
+                   }
                }
 
                $ruleId = $isMd5 ? md5($domain->get()) : ID::unique();
diff --git a/app/http.php b/app/http.php
index 5d08c53eee..9fc0ea0950 100644
--- a/app/http.php
+++ b/app/http.php
@@ -591,9 +591,33 @@ $http->on(Constant::EVENT_TASK, function () use ($register, $domains) {
                 $sum = count($results);
                 foreach ($results as $document) {
                     $domain = $document->getAttribute('domain');
-                    if (str_ends_with($domain, System::getEnv('_APP_DOMAIN_FUNCTIONS')) || str_ends_with($domain, System::getEnv('_APP_DOMAIN_SITES'))) {
+
+                    $denyDomains = [];
+                    $denyEnvVars = [
+                        System::getEnv('_APP_DOMAIN_FUNCTIONS_FALLBACK', ''),
+                        System::getEnv('_APP_DOMAIN_FUNCTIONS', ''),
+                        System::getEnv('_APP_DOMAIN_SITES', ''),
+                    ];
+                    foreach ($denyEnvVars as $denyEnvVar) {
+                        foreach (\explode(',', $denyEnvVar) as $denyDomain) {
+                            if (empty($denyDomain)) {
+                                continue;
+                            }
+                            $denyDomains[] = $denyDomain;
+                        }
+                    }
+
+                    $isDenyDomain = false;
+                    foreach ($denyDomains as $denyDomain) {
+                        if (str_ends_with($domain, $denyDomain)) {
+                            $isDenyDomain = true;
+                        }
+                    }
+
+                    if ($isDenyDomain) {
                         continue;
                     }
+
                     $domains->set(md5($domain), ['value' => 1]);
                 }
                 $latestDocument = !empty(array_key_last($results)) ? $results[array_key_last($results)] : null;
diff --git a/src/Appwrite/Platform/Modules/Console/Http/Resources/Get.php b/src/Appwrite/Platform/Modules/Console/Http/Resources/Get.php
index 1468bf71ac..ae2317e880 100644
--- a/src/Appwrite/Platform/Modules/Console/Http/Resources/Get.php
+++ b/src/Appwrite/Platform/Modules/Console/Http/Resources/Get.php
@@ -74,36 +74,41 @@ class Get extends Action
     ) {
         $domains = $platform['hostnames'] ?? [];
         if ($type === 'rules') {
-            $sitesDomain = System::getEnv('_APP_DOMAIN_SITES', '');
-            $functionsDomain = System::getEnv('_APP_DOMAIN_FUNCTIONS', '');
-
+            $deniedDomains = [...$domains];
             $restrictions = [];
-            if (!empty($sitesDomain)) {
+
+            $sitesDomains = System::getEnv('_APP_DOMAIN_SITES', '');
+            foreach (\explode(',', $sitesDomains) as $sitesDomain) {
+                if (empty($sitesDomain)) {
+                    continue;
+                }
+
+                $deniedDomains[] = $sitesDomain;
+
                 // Ensure site domains are exactly 1 subdomain, and dont start with reserved prefix
                 $domainLevel = \count(\explode('.', $sitesDomain));
                 $restrictions[] = DomainValidator::createRestriction($sitesDomain, $domainLevel + 1, ['commit-', 'branch-']);
             }
-            if (!empty($functionsDomain)) {
+
+            $functionsDomains = System::getEnv('_APP_DOMAIN_FUNCTIONS', '');
+            foreach (\explode(',', $functionsDomains) as $functionsDomain) {
+                if (empty($sitesDomain)) {
+                    continue;
+                }
+
+                $deniedDomains[] = $functionsDomain;
+
                 // Ensure function domains are exactly 1 subdomain
                 $domainLevel = \count(\explode('.', $functionsDomain));
                 $restrictions[] = DomainValidator::createRestriction($functionsDomain, $domainLevel + 1);
             }
+
             $validator = new DomainValidator($restrictions);
 
             if (!$validator->isValid($value)) {
                 throw new Exception(Exception::GENERAL_ARGUMENT_INVALID, 'This domain name is not allowed. Please use a different domain.');
             }
 
-            $deniedDomains = [...$domains];
-
-            if (!empty($sitesDomain)) {
-                $deniedDomains[] = $sitesDomain;
-            }
-
-            if (!empty($functionsDomain)) {
-                $deniedDomains[] = $functionsDomain;
-            }
-
             $denyListDomains = System::getEnv('_APP_CUSTOM_DOMAIN_DENY_LIST', '');
             $denyListDomains = \array_map('trim', explode(',', $denyListDomains));
             foreach ($denyListDomains as $denyListDomain) {
diff --git a/src/Appwrite/Platform/Modules/Proxy/Action.php b/src/Appwrite/Platform/Modules/Proxy/Action.php
index c3fa535a5c..913d9e6a8d 100644
--- a/src/Appwrite/Platform/Modules/Proxy/Action.php
+++ b/src/Appwrite/Platform/Modules/Proxy/Action.php
@@ -31,26 +31,42 @@ class Action extends PlatformAction
     protected function validateDomainRestrictions(string $domain, array $platform): void
     {
         $domains = $platform['hostnames'] ?? [];
-        $sitesDomain = System::getEnv('_APP_DOMAIN_SITES', '');
-        $functionsDomain = System::getEnv('_APP_DOMAIN_FUNCTIONS', '');
 
+        $deniedDomains = [...$domains];
         $restrictions = [];
-        if (!empty($sitesDomain)) {
+
+        $sitesDomains = System::getEnv('_APP_DOMAIN_SITES', '');
+        foreach (\explode(',', $sitesDomains) as $sitesDomain) {
+            if (empty($sitesDomain)) {
+                continue;
+            }
+
+            $deniedDomains[] = $sitesDomain;
+
+            // Ensure site domains are exactly 1 subdomain, and dont start with reserved prefix
             $domainLevel = \count(\explode('.', $sitesDomain));
             $restrictions[] = ValidatorDomain::createRestriction($sitesDomain, $domainLevel + 1, ['commit-', 'branch-']);
         }
-        if (!empty($functionsDomain)) {
+
+        $functionsDomains = System::getEnv('_APP_DOMAIN_FUNCTIONS', '');
+        foreach (\explode(',', $functionsDomains) as $functionsDomain) {
+            if (empty($sitesDomain)) {
+                continue;
+            }
+
+            $deniedDomains[] = $functionsDomain;
+
+            // Ensure function domains are exactly 1 subdomain
             $domainLevel = \count(\explode('.', $functionsDomain));
             $restrictions[] = ValidatorDomain::createRestriction($functionsDomain, $domainLevel + 1);
         }
+
         $validator = new ValidatorDomain($restrictions);
 
         if (!$validator->isValid($domain)) {
             throw new Exception(Exception::GENERAL_ARGUMENT_INVALID, 'This domain name is not allowed. Please use a different domain.');
         }
 
-        $deniedDomains = [...$domains];
-
         if (!empty($sitesDomain)) {
             $deniedDomains[] = $sitesDomain;
         }
@@ -117,31 +133,40 @@ class Action extends PlatformAction
             }
         }
 
-        $targetCNAME = null;
+        $targetCNAMEs = [];
         $ruleType = $rule->getAttribute('type', '');
         $resourceType = $rule->getAttribute('deploymentResourceType', '');
 
         // Ensures different target based on rule's type, as configured by env variables
         if ($resourceType === 'function') {
             // For example: fra.appwrite.run
-            $targetCNAME = new Domain(System::getEnv('_APP_DOMAIN_FUNCTIONS', ''));
+            foreach (\explode(',', System::getEnv('_APP_DOMAIN_FUNCTIONS', '')) as $targetCNAME) {
+                $targetCNAMEs[] = new Domain($targetCNAME);
+            }
         } elseif ($resourceType === 'site') {
             // For example: appwrite.network
-            $targetCNAME = new Domain(System::getEnv('_APP_DOMAIN_SITES', ''));
+            foreach (\explode(',', System::getEnv('_APP_DOMAIN_SITES', '')) as $targetCNAME) {
+                $targetCNAMEs[] = new Domain($targetCNAME);
+            }
         } elseif ($ruleType === 'api') {
             // For example: fra.cloud.appwrite.io
-            $targetCNAME = new Domain(System::getEnv('_APP_DOMAIN_TARGET_CNAME', ''));
+            $targetCNAMEs[] = new Domain(System::getEnv('_APP_DOMAIN_TARGET_CNAME', ''));
         } elseif ($ruleType === 'redirect') {
             // Shouldn't be needed, because redirect should always have resourceTyp too, but just in case we default to sites
             // For example: appwrite.network
-            $targetCNAME = new Domain(System::getEnv('_APP_DOMAIN_SITES', ''));
+            $targetCNAMEs[] = new Domain(System::getEnv('_APP_DOMAIN_SITES', ''));
         }
 
         $validators = [];
         $mainValidator = null; // Validator to use for error description
 
-        if (!is_null($targetCNAME)) {
-            $validator = new $dnsValidatorClass($targetCNAME->get(), Record::TYPE_CNAME, $dnsServers);
+        if (\count($targetCNAMEs) > 0) {
+            $cnameValidators = [];
+            foreach ($targetCNAMEs as $targetCNAME) {
+                $cnameValidators[] = new $dnsValidatorClass($targetCNAME->get(), Record::TYPE_CNAME, $dnsServers);
+            }
+
+            $validator = new AnyOf($cnameValidators);
             $validators[] = $validator;
 
             if (\is_null($mainValidator)) {
@@ -185,4 +210,30 @@ class Action extends PlatformAction
             throw new Exception(Exception::RULE_VERIFICATION_FAILED, $mainValidator->getDescription());
         }
     }
+
+    protected function isAppwriteOwned(string $domain): bool
+    {
+        $appwriteDomains = [];
+        $appwriteDomainEnvs = [
+            System::getEnv('_APP_DOMAIN_FUNCTIONS_FALLBACK', ''),
+            System::getEnv('_APP_DOMAIN_FUNCTIONS', ''),
+            System::getEnv('_APP_DOMAIN_SITES', ''),
+        ];
+        foreach ($appwriteDomainEnvs as $appwriteDomainEnv) {
+            foreach (\explode(',', $appwriteDomainEnv) as $appwriteDomain) {
+                if (empty($appwriteDomain)) {
+                    continue;
+                }
+                $appwriteDomains[] = $appwriteDomain;
+            }
+        }
+
+        foreach ($appwriteDomains as $appwriteDomain) {
+            if (\str_ends_with($domain, $appwriteDomain)) {
+                return true;
+            }
+        }
+
+        return false;
+    }
 }
diff --git a/src/Appwrite/Platform/Modules/Proxy/Http/Rules/API/Create.php b/src/Appwrite/Platform/Modules/Proxy/Http/Rules/API/Create.php
index 95ea8dd8cf..86b780bde0 100644
--- a/src/Appwrite/Platform/Modules/Proxy/Http/Rules/API/Create.php
+++ b/src/Appwrite/Platform/Modules/Proxy/Http/Rules/API/Create.php
@@ -74,18 +74,12 @@ class Create extends Action
     {
         $this->validateDomainRestrictions($domain, $platform);
 
-        $sitesDomain = System::getEnv('_APP_DOMAIN_SITES', '');
-        $functionsDomain = System::getEnv('_APP_DOMAIN_FUNCTIONS', '');
-
         // TODO: (@Meldiron) Remove after 1.7.x migration
         $ruleId = System::getEnv('_APP_RULES_FORMAT') === 'md5' ? md5($domain) : ID::unique();
         $status = RULE_STATUS_CREATED;
         $owner = '';
 
-        if (
-            ($functionsDomain != '' && \str_ends_with($domain, $functionsDomain)) ||
-            ($sitesDomain != '' && \str_ends_with($domain, $sitesDomain))
-        ) {
+        if ($this->isAppwriteOwned($domain)) {
             $status = RULE_STATUS_VERIFIED;
             $owner = 'Appwrite';
         }
diff --git a/src/Appwrite/Platform/Modules/Proxy/Http/Rules/Function/Create.php b/src/Appwrite/Platform/Modules/Proxy/Http/Rules/Function/Create.php
index ea0fb69050..5837d80630 100644
--- a/src/Appwrite/Platform/Modules/Proxy/Http/Rules/Function/Create.php
+++ b/src/Appwrite/Platform/Modules/Proxy/Http/Rules/Function/Create.php
@@ -79,9 +79,6 @@ class Create extends Action
     {
         $this->validateDomainRestrictions($domain, $platform);
 
-        $sitesDomain = System::getEnv('_APP_DOMAIN_SITES', '');
-        $functionsDomain = System::getEnv('_APP_DOMAIN_FUNCTIONS', '');
-
         $function = $dbForProject->getDocument('functions', $functionId);
         if ($function->isEmpty()) {
             throw new Exception(Exception::RULE_RESOURCE_NOT_FOUND);
@@ -94,10 +91,7 @@ class Create extends Action
         $status = RULE_STATUS_CREATED;
         $owner = '';
 
-        if (
-            ($functionsDomain != '' && \str_ends_with($domain, $functionsDomain)) ||
-            ($sitesDomain != '' && \str_ends_with($domain, $sitesDomain))
-        ) {
+        if ($this->isAppwriteOwned($domain)) {
             $status = RULE_STATUS_VERIFIED;
             $owner = 'Appwrite';
         }
diff --git a/src/Appwrite/Platform/Modules/Proxy/Http/Rules/Redirect/Create.php b/src/Appwrite/Platform/Modules/Proxy/Http/Rules/Redirect/Create.php
index f21374b49a..e1dd3de108 100644
--- a/src/Appwrite/Platform/Modules/Proxy/Http/Rules/Redirect/Create.php
+++ b/src/Appwrite/Platform/Modules/Proxy/Http/Rules/Redirect/Create.php
@@ -82,9 +82,6 @@ class Create extends Action
     {
         $this->validateDomainRestrictions($domain, $platform);
 
-        $sitesDomain = System::getEnv('_APP_DOMAIN_SITES', '');
-        $functionsDomain = System::getEnv('_APP_DOMAIN_FUNCTIONS', '');
-
         $collection = match ($resourceType) {
             'site' => 'sites',
             'function' => 'functions'
@@ -99,10 +96,7 @@ class Create extends Action
         $status = RULE_STATUS_CREATED;
         $owner = '';
 
-        if (
-            ($functionsDomain != '' && \str_ends_with($domain, $functionsDomain)) ||
-            ($sitesDomain != '' && \str_ends_with($domain, $sitesDomain))
-        ) {
+        if ($this->isAppwriteOwned($domain)) {
             $status = RULE_STATUS_VERIFIED;
             $owner = 'Appwrite';
         }
diff --git a/src/Appwrite/Platform/Modules/Proxy/Http/Rules/Site/Create.php b/src/Appwrite/Platform/Modules/Proxy/Http/Rules/Site/Create.php
index 26bd453eb3..20829c1b91 100644
--- a/src/Appwrite/Platform/Modules/Proxy/Http/Rules/Site/Create.php
+++ b/src/Appwrite/Platform/Modules/Proxy/Http/Rules/Site/Create.php
@@ -79,9 +79,6 @@ class Create extends Action
     {
         $this->validateDomainRestrictions($domain, $platform);
 
-        $sitesDomain = System::getEnv('_APP_DOMAIN_SITES', '');
-        $functionsDomain = System::getEnv('_APP_DOMAIN_FUNCTIONS', '');
-
         $site = $dbForProject->getDocument('sites', $siteId);
         if ($site->isEmpty()) {
             throw new Exception(Exception::RULE_RESOURCE_NOT_FOUND);
@@ -94,10 +91,7 @@ class Create extends Action
         $status = RULE_STATUS_CREATED;
         $owner = '';
 
-        if (
-            ($functionsDomain != '' && \str_ends_with($domain, $functionsDomain)) ||
-            ($sitesDomain != '' && \str_ends_with($domain, $sitesDomain))
-        ) {
+        if ($this->isAppwriteOwned($domain)) {
             $status = RULE_STATUS_VERIFIED;
             $owner = 'Appwrite';
         }
diff --git a/tests/e2e/Services/Projects/ProjectsCustomServerTest.php b/tests/e2e/Services/Projects/ProjectsCustomServerTest.php
index b2cf57ddc4..313a4d53be 100644
--- a/tests/e2e/Services/Projects/ProjectsCustomServerTest.php
+++ b/tests/e2e/Services/Projects/ProjectsCustomServerTest.php
@@ -50,7 +50,7 @@ class ProjectsCustomServerTest extends Scope
 
         $this->assertEquals(204, $response['headers']['status-code']);
 
-        $functionsDomain = System::getEnv('_APP_DOMAIN_FUNCTIONS', '');
+        $functionsDomain = \explode(',', System::getEnv('_APP_DOMAIN_FUNCTIONS', ''))[0];
 
         $response = $this->client->call(Client::METHOD_POST, '/proxy/rules/api', $headers, [
             'domain' => $functionsDomain,
@@ -59,7 +59,7 @@ class ProjectsCustomServerTest extends Scope
         $this->assertEquals(400, $response['headers']['status-code']);
 
 
-        $sitesDomain = System::getEnv('_APP_DOMAIN_SITES', '');
+        $sitesDomain = \explode(',', System::getEnv('_APP_DOMAIN_SITES', ''))[0];
 
         $response = $this->client->call(Client::METHOD_POST, '/proxy/rules/api', $headers, [
             'domain' => $sitesDomain,
diff --git a/tests/e2e/Services/Proxy/ProxyCustomServerTest.php b/tests/e2e/Services/Proxy/ProxyCustomServerTest.php
index 1830adbae3..0fe333b0c0 100644
--- a/tests/e2e/Services/Proxy/ProxyCustomServerTest.php
+++ b/tests/e2e/Services/Proxy/ProxyCustomServerTest.php
@@ -112,7 +112,8 @@ class ProxyCustomServerTest extends Scope
         $this->assertEquals(201, $rule['headers']['status-code']);
         $this->cleanupRule($rule['body']['$id']);
 
-        $domain =  \uniqid() . '-vcs.' . System::getEnv('_APP_DOMAIN_SITES', '');
+        $sitesDomain = \explode(',', System::getEnv('_APP_DOMAIN_SITES', ''))[0];
+        $domain =  \uniqid() . '-vcs.' . $sitesDomain;
 
         $rule = $this->createSiteRule('commit-' . $domain, $siteId);
         $this->assertEquals(400, $rule['headers']['status-code']);
@@ -393,7 +394,8 @@ class ProxyCustomServerTest extends Scope
         $this->cleanupRule($rule['body']['$id']);
 
         // Create site appwrite-network domain
-        $domain = \uniqid() . '-cname-api.' . System::getEnv('_APP_DOMAIN_SITES');
+        $sitesDomain = \explode(',', System::getEnv('_APP_DOMAIN_SITES', ''))[0];
+        $domain = \uniqid() . '-cname-api.' . $sitesDomain;
 
         $rule = $this->createAPIRule($domain);
         $this->assertEquals(201, $rule['headers']['status-code']);
diff --git a/tests/e2e/Services/Sites/SitesBase.php b/tests/e2e/Services/Sites/SitesBase.php
index 7eb5d9699c..e7af09d1d9 100644
--- a/tests/e2e/Services/Sites/SitesBase.php
+++ b/tests/e2e/Services/Sites/SitesBase.php
@@ -368,12 +368,13 @@ trait SitesBase
 
     protected function setupSiteDomain(string $siteId, string $subdomain = ''): string
     {
+        $sitesDomain = \explode(',', System::getEnv('_APP_DOMAIN_SITES', ''))[0];
         $subdomain = $subdomain ? $subdomain : ID::unique();
         $rule = $this->client->call(Client::METHOD_POST, '/proxy/rules/site', array_merge([
             'content-type' => 'application/json',
             'x-appwrite-project' => $this->getProject()['$id'],
         ], $this->getHeaders()), [
-            'domain' => $subdomain . '.' . System::getEnv('_APP_DOMAIN_SITES', ''),
+            'domain' => $subdomain . '.' . $sitesDomain,
             'siteId' => $siteId,
         ]);
 
diff --git a/tests/e2e/Services/Sites/SitesCustomServerTest.php b/tests/e2e/Services/Sites/SitesCustomServerTest.php
index ff4d8dd5e1..27294a9c3b 100644
--- a/tests/e2e/Services/Sites/SitesCustomServerTest.php
+++ b/tests/e2e/Services/Sites/SitesCustomServerTest.php
@@ -1810,11 +1810,12 @@ class SitesCustomServerTest extends Scope
 
         $siteId2 = $site2['body']['$id'];
 
+        $sitesDomain = \explode(',', System::getEnv('_APP_DOMAIN_SITES', ''))[0];
         $rule = $this->client->call(Client::METHOD_POST, '/proxy/rules/site', array_merge([
             'content-type' => 'application/json',
             'x-appwrite-project' => $this->getProject()['$id'],
         ], $this->getHeaders()), [
-            'domain' => $subdomain . '.' . System::getEnv('_APP_DOMAIN_SITES', ''),
+            'domain' => $subdomain . '.' . $sitesDomain,
             'siteId' => $siteId2,
         ]);