diff --git a/.travis.yml b/.travis.yml
index 6a3cca25..3a3d7027 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,6 +9,7 @@ env:
 install: "pip install -r requirements.txt"
 script:
 - flake8
+- python manage.py compilemessages
 - python manage.py test -v 3
 # - coverage run --source='.' manage.py test dynamicweb -v 3
 # - coverage report
diff --git a/Changelog b/Changelog
index 899849ff..811bc44c 100644
--- a/Changelog
+++ b/Changelog
@@ -1,4 +1,7 @@
-1.6.2: 2018-04-01:
+1.6.3: 2018-04-05
+    * #4377: [cms] header btn external link fix
+    * #4378: [dcl cms] update CMS Integration to have different content for different domains
+1.6.2: 2018-04-01
     * bgfix: [dcl] Fix user activation email style; add/correct some DE text
     * #4373: [dcl] update footer menu for pw reset/login/signup/activation request pages
 1.6.1: 2018-03-28
@@ -70,7 +73,7 @@
     * [cms] Introduce UngleichHeaderBackgroundImageAndTextSliderPlugin that allows to have scrolling images and texts
     * [cms] Remove <p> tag for ungleich cms customer item template
 1.2.12: 2017-12-09
-    * #3594: [digitalglarus] Remove white scroll bar on the right in mobile    
+    * #3594: [digitalglarus] Remove white scroll bar on the right in mobile
     * #3905: [ungleich] Update ungleich.ch header into a slider
     * #3968: [ungleich] Fix navbar logo alignment
     *        [all] Enable logging custom modules
diff --git a/datacenterlight/admin.py b/datacenterlight/admin.py
index 974006a6..acb93fff 100644
--- a/datacenterlight/admin.py
+++ b/datacenterlight/admin.py
@@ -4,7 +4,7 @@ from .cms_models import CMSIntegration
 
 
 class CMSIntegrationAdmin(PlaceholderAdminMixin, admin.ModelAdmin):
-    pass
+    list_display = ('name', 'domain')
 
 
 admin.site.register(CMSIntegration, CMSIntegrationAdmin)
diff --git a/datacenterlight/cms_models.py b/datacenterlight/cms_models.py
index 2f63c150..9eb55e0c 100644
--- a/datacenterlight/cms_models.py
+++ b/datacenterlight/cms_models.py
@@ -1,14 +1,15 @@
+from cms.models.fields import PlaceholderField
 from cms.models.pluginmodel import CMSPlugin
+from django.contrib.sites.models import Site
 from django.db import models
 from django.utils.safestring import mark_safe
 from djangocms_text_ckeditor.fields import HTMLField
 from filer.fields.image import FilerImageField
-from cms.models.fields import PlaceholderField
 
 
 class CMSIntegration(models.Model):
     name = models.CharField(
-        max_length=100, unique=True, default='default',
+        max_length=100, default='default',
         help_text=(
             'A unique name for the Integration. This name will be used to '
             'fetch the Integration into pages'
@@ -20,6 +21,10 @@ class CMSIntegration(models.Model):
     navbar_placeholder = PlaceholderField(
         'datacenterlight_navbar', related_name='dcl-navbar-placeholder+'
     )
+    domain = models.ForeignKey(Site, null=True, blank=True)
+
+    class Meta:
+        unique_together = ('name', 'domain')
 
     def __str__(self):
         return self.name
diff --git a/datacenterlight/management/commands/cmsintegrate.py b/datacenterlight/management/commands/cmsintegrate.py
index 5b4f72d2..206248d2 100644
--- a/datacenterlight/management/commands/cmsintegrate.py
+++ b/datacenterlight/management/commands/cmsintegrate.py
@@ -6,8 +6,16 @@ class Command(BaseCommand):
     help = '''Creates cms integration objects for datacenterlight'''
 
     def handle(self, *args, **options):
-        obj, created = CMSIntegration.objects.get_or_create(name='default')
+        self.create_cms_integration()
+
+    def create_cms_integration(self, site=None):
+        obj, created = CMSIntegration.objects.get_or_create(
+            name='default', domain=site
+        )
+        domain_name = site.domain if site else 'All Sites'
         if created:
-            print('created the default CMSIntegration object')
+            print('created the default CMSIntegration object for', domain_name)
         else:
-            print('default CMSIntegration object already exists')
+            print(
+                'default CMSIntegration object already exists for', domain_name
+            )
diff --git a/datacenterlight/migrations/0018_auto_20180403_1930.py b/datacenterlight/migrations/0018_auto_20180403_1930.py
new file mode 100644
index 00000000..5c418898
--- /dev/null
+++ b/datacenterlight/migrations/0018_auto_20180403_1930.py
@@ -0,0 +1,43 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.4 on 2018-04-03 17:08
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    replaces = [('datacenterlight', '0018_auto_20180403_1930'), ('datacenterlight', '0019_auto_20180403_2054')]
+
+    dependencies = [
+        ('datacenterlight', '0017_auto_20180329_0056'),
+        ('sites', '0002_alter_domain_unique'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='dclcontactpluginmodel',
+            name='organization_name',
+            field=models.CharField(blank=True, default='ungleich glarus ag', max_length=100),
+        ),
+        migrations.AlterField(
+            model_name='dclfooterpluginmodel',
+            name='copyright_label',
+            field=models.CharField(blank=True, default='ungleich glarus ag', help_text='Name of the company alongside the copyright year', max_length=100),
+        ),
+        migrations.AddField(
+            model_name='cmsintegration',
+            name='domain',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='sites.Site'),
+        ),
+        migrations.AlterField(
+            model_name='cmsintegration',
+            name='name',
+            field=models.CharField(default='default', help_text='A unique name for the Integration. This name will be used to fetch the Integration into pages', max_length=100),
+        ),
+        migrations.AlterUniqueTogether(
+            name='cmsintegration',
+            unique_together=set([('name', 'domain')]),
+        ),
+    ]
diff --git a/datacenterlight/static/datacenterlight/css/common.css b/datacenterlight/static/datacenterlight/css/common.css
index cddb0f69..88db9376 100644
--- a/datacenterlight/static/datacenterlight/css/common.css
+++ b/datacenterlight/static/datacenterlight/css/common.css
@@ -74,6 +74,17 @@ a.list-group-item-danger.active:focus {
   padding: 10px;
 }
 
+#logoWhite,
+.navbar-transparent #logoBlack {
+  display: none;
+}
+
+#logoBlack,
+.navbar-transparent #logoWhite {
+  display: block;
+  width: 220px;
+}
+
 @media (min-width: 768px) {
   .navbar-right {
     margin-right: 10px;
diff --git a/datacenterlight/static/datacenterlight/css/hosting.css b/datacenterlight/static/datacenterlight/css/hosting.css
index 7764f0c3..b4c5909c 100644
--- a/datacenterlight/static/datacenterlight/css/hosting.css
+++ b/datacenterlight/static/datacenterlight/css/hosting.css
@@ -1,3 +1,12 @@
+.navbar-transparent #logoWhite {
+  display: none;
+}
+
+.navbar-transparent #logoBlack {
+  display: block;
+  width: 220px;
+}
+
 .topnav .navbar-fixed-top .navbar-collapse {
   max-height: 740px;
 }
diff --git a/datacenterlight/static/datacenterlight/css/landing-page.css b/datacenterlight/static/datacenterlight/css/landing-page.css
index 38e84a59..41c5a42f 100755
--- a/datacenterlight/static/datacenterlight/css/landing-page.css
+++ b/datacenterlight/static/datacenterlight/css/landing-page.css
@@ -141,17 +141,6 @@ textarea {
   color: #fff;
 }
 
-#logoWhite,
-.navbar-transparent #logoBlack {
-  display: none;
-}
-
-#logoBlack,
-.navbar-transparent #logoWhite {
-  display: block;
-  width: 220px;
-}
-
 .nav-language {
   position: relative;
 }
diff --git a/datacenterlight/static/datacenterlight/js/main.js b/datacenterlight/static/datacenterlight/js/main.js
index dc5a9108..6753695c 100644
--- a/datacenterlight/static/datacenterlight/js/main.js
+++ b/datacenterlight/static/datacenterlight/js/main.js
@@ -113,10 +113,10 @@
             } else if (href) {
                 var path = $(this).prop('href').split('#');
                 var currentPath = window.location.origin + window.location.pathname;
-                if (!path[1]) {
-                    window.location = href;
-                } else if (currentPath == path[0]) {
+                if (currentPath == path[0] && path[1]) {
                     scrollToElement('#' + path[1]);
+                } else {
+                    window.location = href;
                 }
             }
         });
diff --git a/datacenterlight/templates/datacenterlight/cms/navbar.html b/datacenterlight/templates/datacenterlight/cms/navbar.html
index bfa3e086..ae6643aa 100644
--- a/datacenterlight/templates/datacenterlight/cms/navbar.html
+++ b/datacenterlight/templates/datacenterlight/cms/navbar.html
@@ -11,11 +11,11 @@
       <span class="icon-bar"></span>
     </button>
     {% if instance.logo_dark or instance.logo_light %}
-      <a href="{{ instance.logo_url|default:'/' }}" id="logoBlack" class="navbar-brand topnav"><img src="{{ instance.get_logo_dark }}"></a>
-      <a href="{{ instance.logo_url|default:'/' }}" id="logoWhite" class="navbar-brand topnav"><img src="{{ instance.get_logo_light }}"></a>
+      <a href="{{ instance.logo_url|default:'/' }}" id="logoBlack" class="navbar-brand"><img src="{{ instance.get_logo_dark }}"></a>
+      <a href="{{ instance.logo_url|default:'/' }}" id="logoWhite" class="navbar-brand"><img src="{{ instance.get_logo_light }}"></a>
     {% else %}
-      <a href="/" id="logoBlack" class="navbar-brand topnav"><img src="{% static 'datacenterlight/img/logo_black.svg' %}"></a>
-      <a href="/" id="logoWhite" class="navbar-brand topnav"><img src="{% static 'datacenterlight/img/logo_white.svg' %}"></a>
+      <a href="/" id="logoBlack" class="navbar-brand"><img src="{% static 'datacenterlight/img/logo_black.svg' %}"></a>
+      <a href="/" id="logoWhite" class="navbar-brand"><img src="{% static 'datacenterlight/img/logo_white.svg' %}"></a>
     {% endif %}
   </div>
   <div class="collapse navbar-collapse" id="dcl-topnav">
diff --git a/datacenterlight/utils.py b/datacenterlight/utils.py
new file mode 100644
index 00000000..2efade8e
--- /dev/null
+++ b/datacenterlight/utils.py
@@ -0,0 +1,14 @@
+from django.contrib.sites.models import Site
+
+from .cms_models import CMSIntegration
+
+
+def get_cms_integration(name):
+    current_site = Site.objects.get_current()
+    try:
+        cms_integration = CMSIntegration.objects.get(
+            name=name, domain=current_site
+        )
+    except CMSIntegration.DoesNotExist:
+        cms_integration = CMSIntegration.objects.get(name=name, domain=None)
+    return cms_integration
diff --git a/datacenterlight/views.py b/datacenterlight/views.py
index e2241a17..af3b774c 100644
--- a/datacenterlight/views.py
+++ b/datacenterlight/views.py
@@ -24,7 +24,7 @@ from utils.stripe_utils import StripeUtils
 from utils.tasks import send_plain_email_task
 from .forms import ContactForm
 from .models import VMTemplate
-from .cms_models import CMSIntegration
+from .utils import get_cms_integration
 
 logger = logging.getLogger(__name__)
 
@@ -220,7 +220,7 @@ class PaymentOrderView(FormView):
             'site_url': reverse('datacenterlight:index'),
             'login_form': HostingUserLoginForm(prefix='login_form'),
             'billing_address_form': billing_address_form,
-            'cms_integration': CMSIntegration.objects.get(name='default')
+            'cms_integration': get_cms_integration('default')
         })
         return context
 
@@ -358,7 +358,7 @@ class OrderConfirmationView(DetailView):
             'billing_address_data': (
                 request.session.get('billing_address_data')
             ),
-            'cms_integration': CMSIntegration.objects.get(name='default')
+            'cms_integration': get_cms_integration('default')
         }
         return render(request, self.template_name, context)