diff --git a/ivatar/tools/forms.py b/ivatar/tools/forms.py
index f25237e..c0dc995 100644
--- a/ivatar/tools/forms.py
+++ b/ivatar/tools/forms.py
@@ -56,8 +56,10 @@ class CheckForm(forms.Form):
         required=True,
     )
 
-    default_url = forms.URLField(
+    default_url = forms.CharField(
         label=_('Default URL'),
+        min_length=1,
+        max_length=MAX_LENGTH_URL,
         required=False,
     )
 
diff --git a/ivatar/tools/templates/check.html b/ivatar/tools/templates/check.html
index 0b48d58..eb08fb9 100644
--- a/ivatar/tools/templates/check.html
+++ b/ivatar/tools/templates/check.html
@@ -8,6 +8,12 @@
 
 <h1>{% trans 'Check e-mail or openid' %}</h1>
 
+  {% if form.errors %}
+    <p class="error">{% trans "Please correct errors below:" %}<br>
+    {{ form.errors|join:', ' }}
+    </p>
+  {% endif %}
+
 <div style="max-width:640px">
 <form method="post" name="check">
 {% csrf_token %}
@@ -17,8 +23,8 @@
 <input type="text" name="openid" maxlength="255" minlength="11" class="form-control" placeholder="{% trans 'OpenID' %}" {% if openidurl %} value="{{ form.openid.value }}" {% endif %} id="id_openid"></div>
 <div class="form-group"><label for="id_size">{% trans 'Size' %}</label>
 <input type="number" name="size" min="5" max="512" class="form-control" placeholder="{% trans 'Size' %}" {% if mailurl or openidurl %} value="{{ form.size.value }}" {% else %} value="100" {% endif %} required id="id_size"></div>
-<div class="form-group"><label for="id_default_url">{% trans 'Default URL' %}</label>
-<input type="url" name="default_url" class="form-control" placeholder="{% trans 'Default URL' %}" {% if mailurl or openidurl %} value="{{ form.default_url.value }}" {% endif %} id="id_default_url"></div>
+<div class="form-group"><label for="id_default_url">{% trans 'Default URL or special keyword' %}</label>
+<input type="text" name="default_url" class="form-control" placeholder="{% trans 'Default' %}" {% if mailurl or openidurl %} value="{{ form.default_url.value }}" {% endif %} id="id_default_url"></div>
   <div class="form-group">
       <button type="submit" class="btn btn-default">{% trans 'Check' %}</button>
 </div>
diff --git a/templates/navbar.html b/templates/navbar.html
index eb790eb..7179a25 100644
--- a/templates/navbar.html
+++ b/templates/navbar.html
@@ -45,8 +45,12 @@
                 </a>
                 <ul class="dropdown-menu" aria-labelledby="tools_dropdown">
                   <li><a id="tools-check" href="{% url 'tools_check' %}">
-                    <i class="fa fa-fw fa-check-square" aria-hidden="true"></i> {% trans 'Check' %}
+                    <i class="fa fa-fw fa-check-square" aria-hidden="true"></i> {% trans 'Check ID' %}
                   </a></li>
+                  <li><a id="tools-check-domain" href="{% url 'tools_check_domain' %}">
+                    <i class="fa fa-fw fa-check-square" aria-hidden="true"></i> {% trans 'Check Domain' %}
+                  </a></li>
+
                 </ul>
               </li>
             </ul>