diff --git a/machines/migrations/0105_dname_ttl.py b/machines/migrations/0105_dname_ttl.py
new file mode 100644
index 00000000..d3c38073
--- /dev/null
+++ b/machines/migrations/0105_dname_ttl.py
@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.23 on 2019-10-02 21:47
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('machines', '0104_auto_20191002_2231'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='dname',
+            name='ttl',
+            field=models.PositiveIntegerField(default=172800, verbose_name='Time To Live (TTL)'),
+        ),
+    ]
diff --git a/machines/models.py b/machines/models.py
index 7b3c0dab..708dd8c9 100644
--- a/machines/models.py
+++ b/machines/models.py
@@ -915,6 +915,10 @@ class DName(RevMixin, AclMixin, models.Model):
     """A DNAME entry for the DNS."""
     zone = models.ForeignKey('Extension', on_delete=models.PROTECT)
     alias = models.CharField(max_length=255)
+    ttl = models.PositiveIntegerField(
+        verbose_name=_("Time To Live (TTL)"),
+        default=172800,  # 2 days
+    )
 
     class Meta:
         permissions = (
diff --git a/machines/templates/machines/aff_dname.html b/machines/templates/machines/aff_dname.html
index 6d07a7bc..4073a388 100644
--- a/machines/templates/machines/aff_dname.html
+++ b/machines/templates/machines/aff_dname.html
@@ -29,6 +29,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
     <tr>
         <th>{% trans "Target zone" %}</th>
         <th>{% trans "Record" %}</th>
+        <th>{% trans "TTL" %}</th>
         <th></th>
     </tr>
     </thead>
@@ -36,6 +37,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
         <tr>
             <td>{{ dname.zone }}</td>
             <td>{{ dname.dns_entry }}</td>
+            <td>{{ dname.ttl }}</td>
             <td class="text-right">
                 {% can_edit dname %}
                 {% include 'buttons/edit.html' with href='machines:edit-dname' id=dname.id %}