diff --git a/app/Livewire/Project/Application/General.php b/app/Livewire/Project/Application/General.php
index c6b8f2e51..7c3700107 100644
--- a/app/Livewire/Project/Application/General.php
+++ b/app/Livewire/Project/Application/General.php
@@ -163,18 +163,16 @@ public function loadComposeFile($isInit = false)
     }
     public function generateDomain(string $serviceName)
     {
-        $domain = $this->parsedServiceDomains[$serviceName]['domain'] ?? null;
-        if (!$domain) {
-            $uuid = new Cuid2(7);
-            $domain = generateFqdn($this->application->destination->server, $uuid);
-            $this->parsedServiceDomains[$serviceName]['domain'] = $domain;
-            $this->application->docker_compose_domains = json_encode($this->parsedServiceDomains);
-            $this->application->save();
-        }
+        $uuid = new Cuid2(7);
+        $domain = generateFqdn($this->application->destination->server, $uuid);
+        $this->parsedServiceDomains[$serviceName]['domain'] = $domain;
+        $this->application->docker_compose_domains = json_encode($this->parsedServiceDomains);
+        $this->application->save();
+        $this->dispatch('success', 'Domain generated.');
         return $domain;
     }
-    public function updatedApplicationBaseDirectory() {
-        raY('asdf');
+    public function updatedApplicationBaseDirectory()
+    {
         if ($this->application->build_pack === 'dockercompose') {
             $this->loadComposeFile();
         }
@@ -206,30 +204,47 @@ public function getWildcardDomain()
             $fqdn = generateFqdn($server, $this->application->uuid);
             $this->application->fqdn = $fqdn;
             $this->application->save();
-            $this->updatedApplicationFqdn();
+            $this->dispatch('success', 'Wildcard domain generated.');
         }
     }
-    public function resetDefaultLabels($showToaster = true)
+    public function resetDefaultLabels()
     {
         $this->customLabels = str(implode("|", generateLabelsApplication($this->application)))->replace("|", "\n");
         $this->ports_exposes = $this->application->ports_exposes;
-        $this->submit($showToaster);
+
+        $this->application->custom_labels = base64_encode($this->customLabels);
+        $this->application->save();
     }
 
-    public function updatedApplicationFqdn()
+    public function checkFqdns($showToaster = true)
     {
-        $this->application->fqdn = str($this->application->fqdn)->replaceEnd(',', '')->trim();
-        $this->application->fqdn = str($this->application->fqdn)->replaceStart(',', '')->trim();
-        $this->application->fqdn = str($this->application->fqdn)->trim()->explode(',')->map(function ($domain) {
-            return str($domain)->trim()->lower();
-        });
-        $this->application->fqdn = $this->application->fqdn->unique()->implode(',');
-        $this->application->save();
-        $this->resetDefaultLabels(false);
+        if (data_get($this->application, 'fqdn')) {
+            $domains = str($this->application->fqdn)->trim()->explode(',');
+            if ($this->application->additional_servers->count() === 0) {
+                foreach ($domains as $domain) {
+                    if (!validate_dns_entry($domain, $this->application->destination->server)) {
+                        $showToaster && $this->dispatch('error', "Validating DNS ($domain) failed.", "Make sure you have added the DNS records correctly.<br><br>Check this <a target='_blank' class='underline dark:text-white' href='https://coolify.io/docs/knowledge-base/dns-configuration'>documentation</a> for further help.");
+                    }
+                }
+            }
+            check_domain_usage(resource: $this->application);
+            $this->application->fqdn = $domains->implode(',');
+        }
     }
     public function submit($showToaster = true)
     {
         try {
+            $this->application->fqdn = str($this->application->fqdn)->replaceEnd(',', '')->trim();
+            $this->application->fqdn = str($this->application->fqdn)->replaceStart(',', '')->trim();
+            $this->application->fqdn = str($this->application->fqdn)->trim()->explode(',')->map(function ($domain) {
+                return str($domain)->trim()->lower();
+            });
+            $this->application->fqdn = $this->application->fqdn->unique()->implode(',');
+
+            $this->checkFqdns();
+
+            $this->application->save();
+
             if (!$this->customLabels && $this->application->destination->server->proxyType() !== 'NONE') {
                 $this->customLabels = str(implode("|", generateLabelsApplication($this->application)))->replace("|", "\n");
                 $this->application->custom_labels = base64_encode($this->customLabels);
@@ -241,25 +256,14 @@ public function submit($showToaster = true)
             }
             $this->validate();
             if ($this->ports_exposes !== $this->application->ports_exposes) {
-                $this->resetDefaultLabels(false);
+                $this->resetDefaultLabels();
             }
             if (data_get($this->application, 'build_pack') === 'dockerimage') {
                 $this->validate([
                     'application.docker_registry_image_name' => 'required',
                 ]);
             }
-            if (data_get($this->application, 'fqdn')) {
-                $domains = str($this->application->fqdn)->trim()->explode(',');
-                if ($this->application->additional_servers->count() === 0) {
-                    foreach ($domains as $domain) {
-                        if (!validate_dns_entry($domain, $this->application->destination->server)) {
-                            $showToaster && $this->dispatch('error', "Validating DNS ($domain) failed.", "Make sure you have added the DNS records correctly.<br><br>Check this <a target='_blank' class='underline dark:text-white' href='https://coolify.io/docs/knowledge-base/dns-configuration'>documentation</a> for further help.");
-                        }
-                    }
-                }
-                check_fqdn_usage($this->application);
-                $this->application->fqdn = $domains->implode(',');
-            }
+
             if (data_get($this->application, 'custom_docker_run_options')) {
                 $this->application->custom_docker_run_options = str($this->application->custom_docker_run_options)->trim();
             }
@@ -277,6 +281,15 @@ public function submit($showToaster = true)
             }
             if ($this->application->build_pack === 'dockercompose') {
                 $this->application->docker_compose_domains = json_encode($this->parsedServiceDomains);
+                foreach ($this->parsedServiceDomains as $serviceName => $service) {
+                    $domain = data_get($service, 'domain');
+                    if ($domain) {
+                        if (!validate_dns_entry($domain, $this->application->destination->server)) {
+                            $showToaster && $this->dispatch('error', "Validating DNS ($domain) failed.", "Make sure you have added the DNS records correctly.<br><br>Check this <a target='_blank' class='underline dark:text-white' href='https://coolify.io/docs/knowledge-base/dns-configuration'>documentation</a> for further help.");
+                        }
+                        check_domain_usage(resource: $this->application);
+                    }
+                }
                 if ($this->application->settings->is_raw_compose_deployment_enabled) {
                     $this->application->parseRawCompose();
                 } else {
diff --git a/app/Livewire/Project/Service/ServiceApplicationView.php b/app/Livewire/Project/Service/ServiceApplicationView.php
index ca9723a3a..dfa2baced 100644
--- a/app/Livewire/Project/Service/ServiceApplicationView.php
+++ b/app/Livewire/Project/Service/ServiceApplicationView.php
@@ -65,7 +65,7 @@ public function mount()
     public function submit()
     {
         try {
-            check_fqdn_usage($this->application);
+            check_domain_usage(resource: $this->application);
             $this->validate();
             $this->application->save();
             updateCompose($this->application);
diff --git a/app/Livewire/Settings/Configuration.php b/app/Livewire/Settings/Configuration.php
index 79ff3bcb6..fbc88785d 100644
--- a/app/Livewire/Settings/Configuration.php
+++ b/app/Livewire/Settings/Configuration.php
@@ -59,23 +59,37 @@ public function instantSave()
 
     public function submit()
     {
-        $this->resetErrorBag();
-        if ($this->settings->public_port_min > $this->settings->public_port_max) {
-            $this->addError('settings.public_port_min', 'The minimum port must be lower than the maximum port.');
-            return;
+        try {
+            $error_show = false;
+            $this->server = Server::findOrFail(0);
+            $this->resetErrorBag();
+            if ($this->settings->public_port_min > $this->settings->public_port_max) {
+                $this->addError('settings.public_port_min', 'The minimum port must be lower than the maximum port.');
+                return;
+            }
+            $this->validate();
+
+            if ($this->settings->is_dns_validation_enabled) {
+                if (!validate_dns_entry($this->settings->fqdn, $this->server)) {
+                    $this->dispatch('error',  "Validating DNS ({$this->settings->fqdn}) failed.<br><br>Make sure you have added the DNS records correctly.<br><br>Check this <a target='_blank' class='underline dark:text-white' href='https://coolify.io/docs/knowledge-base/dns-configuration'>documentation</a> for further help.");
+                    $error_show = true;
+                }
+            }
+            check_domain_usage(domain: $this->settings->fqdn);
+            $this->settings->custom_dns_servers = str($this->settings->custom_dns_servers)->replaceEnd(',', '')->trim();
+            $this->settings->custom_dns_servers = str($this->settings->custom_dns_servers)->trim()->explode(',')->map(function ($dns) {
+                return str($dns)->trim()->lower();
+            });
+            $this->settings->custom_dns_servers = $this->settings->custom_dns_servers->unique();
+            $this->settings->custom_dns_servers = $this->settings->custom_dns_servers->implode(',');
+
+            $this->settings->save();
+            $this->server->setupDynamicProxyConfiguration();
+            if (!$error_show) {
+                $this->dispatch('success', 'Instance settings updated successfully!');
+            }
+        } catch (\Exception $e) {
+            return handleError($e, $this);
         }
-        $this->validate();
-
-        $this->settings->custom_dns_servers = str($this->settings->custom_dns_servers)->replaceEnd(',', '')->trim();
-        $this->settings->custom_dns_servers = str($this->settings->custom_dns_servers)->trim()->explode(',')->map(function ($dns) {
-            return str($dns)->trim()->lower();
-        });
-        $this->settings->custom_dns_servers = $this->settings->custom_dns_servers->unique();
-        $this->settings->custom_dns_servers = $this->settings->custom_dns_servers->implode(',');
-
-        $this->settings->save();
-        $this->server = Server::findOrFail(0);
-        $this->server->setupDynamicProxyConfiguration();
-        $this->dispatch('success', 'Instance settings updated successfully!');
     }
 }
diff --git a/bootstrap/helpers/shared.php b/bootstrap/helpers/shared.php
index 4e25bd616..f10ab6638 100644
--- a/bootstrap/helpers/shared.php
+++ b/bootstrap/helpers/shared.php
@@ -1857,13 +1857,26 @@ function ip_match($ip, $cidrs, &$match = null)
     }
     return false;
 }
-function check_fqdn_usage(ServiceApplication|Application $own_resource)
+function check_domain_usage(ServiceApplication|Application|null $resource = null, ?string $domain = null)
 {
-    $domains = collect($own_resource->fqdns)->map(function ($domain) {
+    if ($resource) {
+        if ($resource->getMorphClass() === 'App\Models\Application' && $resource->build_pack === 'dockercompose') {
+            $domains = data_get(json_decode($resource->docker_compose_domains, true), "*.domain");
+            ray($domains);
+            $domains = collect($domains);
+        } else {
+            $domains = collect($resource->fqdns);
+        }
+    } else if ($domain) {
+        $domains = collect($domain);
+    } else {
+        throw new \RuntimeException("No resource or FQDN provided.");
+    }
+    $domains = $domains->map(function ($domain) {
         if (str($domain)->endsWith('/')) {
             $domain = str($domain)->beforeLast('/');
         }
-        return str($domain)->replace('http://', '')->replace('https://', '');
+        return str($domain);
     });
     $apps = Application::all();
     foreach ($apps as $app) {
@@ -1872,10 +1885,15 @@ function check_fqdn_usage(ServiceApplication|Application $own_resource)
             if (str($domain)->endsWith('/')) {
                 $domain = str($domain)->beforeLast('/');
             }
-            $naked_domain = str($domain)->replace('http://', '')->replace('https://', '')->value();
+            $naked_domain = str($domain)->value();
             if ($domains->contains($naked_domain)) {
-                if ($app->uuid !== $own_resource->uuid) {
-                    throw new \RuntimeException("Domain $naked_domain is already in use by another resource:<br> {$app->name}.");
+                if (data_get($resource, 'uuid')) {
+                    ray($resource->uuid, $app->uuid);
+                    if ($resource->uuid !== $app->uuid) {
+                        throw new \RuntimeException("Domain $naked_domain is already in use by another resource called: <br><br>{$app->name}.");
+                    }
+                } else if ($domain) {
+                    throw new \RuntimeException("Domain $naked_domain is already in use by another resource called: <br><br>{$app->name}.");
                 }
             }
         }
@@ -1887,12 +1905,29 @@ function check_fqdn_usage(ServiceApplication|Application $own_resource)
             if (str($domain)->endsWith('/')) {
                 $domain = str($domain)->beforeLast('/');
             }
-            $naked_domain = str($domain)->replace('http://', '')->replace('https://', '')->value();
+            $naked_domain = str($domain)->value();
             if ($domains->contains($naked_domain)) {
-                if ($app->uuid !== $own_resource->uuid) {
-                    throw new \RuntimeException("Domain $naked_domain is already in use by another resource.");
+                if (data_get($resource, 'uuid')) {
+                    if ($resource->uuid !== $app->uuid) {
+                        throw new \RuntimeException("Domain $naked_domain is already in use by another resource called: <br><br>{$app->name}.");
+                    }
+                } else if ($domain) {
+                    throw new \RuntimeException("Domain $naked_domain is already in use by another resource called: <br><br>{$app->name}.");
                 }
             }
         }
     }
+    if ($resource) {
+        $settings = InstanceSettings::get();
+        if (data_get($settings, 'fqdn')) {
+            $domain = data_get($settings, 'fqdn');
+            if (str($domain)->endsWith('/')) {
+                $domain = str($domain)->beforeLast('/');
+            }
+            $naked_domain = str($domain)->value();
+            if ($domains->contains($naked_domain)) {
+                throw new \RuntimeException("Domain $naked_domain is already in use by this Coolify instance.");
+            }
+        }
+    }
 }
diff --git a/resources/views/livewire/project/application/general.blade.php b/resources/views/livewire/project/application/general.blade.php
index 7f950dfa4..00c204f46 100644
--- a/resources/views/livewire/project/application/general.blade.php
+++ b/resources/views/livewire/project/application/general.blade.php
@@ -59,10 +59,8 @@
                                             helper="You can specify one domain with path or more with comma. You can specify a port to bind the domain to.<br><br><span class='text-helper'>Example</span><br>- http://app.coolify.io, https://cloud.coolify.io/dashboard<br>- http://app.coolify.io/api/v3<br>- http://app.coolify.io:3000 -> app.coolify.io will point to port 3000 inside the container. "
                                             label="Domains for {{ str($serviceName)->headline() }}"
                                             id="parsedServiceDomains.{{ $serviceName }}.domain"></x-forms.input>
-                                        @if (!data_get($parsedServiceDomains, "$serviceName.domain"))
-                                            <x-forms.button wire:click="generateDomain('{{ $serviceName }}')">Generate
-                                                Domain</x-forms.button>
-                                        @endif
+                                        <x-forms.button wire:click="generateDomain('{{ $serviceName }}')">Generate
+                                            Domain</x-forms.button>
                                     </div>
                                 @endif
                             @endforeach
@@ -205,10 +203,10 @@ class="underline" href="https://coolify.io/docs/knowledge-base/docker/registry"
 
                     </div>
                     @if ($this->application->is_github_based() && !$this->application->is_public_repository())
-                    <div class="pb-4">
-                        <x-forms.textarea helper="Gitignore-style rules to filter Git based webhook deployments."
-                            placeholder="src/pages/**" id="application.watch_paths" label="Watch Paths" />
-                    </div>
+                        <div class="pb-4">
+                            <x-forms.textarea helper="Gitignore-style rules to filter Git based webhook deployments."
+                                placeholder="src/pages/**" id="application.watch_paths" label="Watch Paths" />
+                        </div>
                     @endif
                     <x-forms.input
                         helper="You can add custom docker run options that will be used when your container is started.<br>Note: Not all options are supported, as they could mess up Coolify's automation and could cause bad experience for users.<br><br>Check the <a class='underline dark:text-white' href='https://coolify.io/docs/knowledge-base/docker/custom-commands'>docs.</a>"