diff --git a/domains/forms.py b/domains/forms.py
index 744a920..4808387 100644
--- a/domains/forms.py
+++ b/domains/forms.py
@@ -210,7 +210,7 @@ class NameserverForm(MntFormMixin, WhoisObjectFormMixin, forms.ModelForm):
         return cleaned_data
 
 
-class ReverseZoneForm(forms.ModelForm):
+class ReverseZoneForm(DSRecordMixin, forms.ModelForm):
     prefix = forms.CharField(validators=[IP46CIDRValidator])
 
     class Meta:
diff --git a/domains/models.py b/domains/models.py
index 16fd79a..b995466 100644
--- a/domains/models.py
+++ b/domains/models.py
@@ -13,6 +13,13 @@ import ipaddress
 # allow owners of a subnet to create reverse dns record?
 
 
+class DSRecordModelMixin(models.Model):
+    class Meta:
+        abstract = True
+
+    ds_records = models.TextField(blank=True, verbose_name='DS Records',
+                                  help_text='DS Records in the format of [id] [crypto-algo] [hash-algo] [hash]')
+
 class Nameserver(MntdObject):
     handleSuffix = "NS"
     # dns name
@@ -42,7 +49,7 @@ class Nameserver(MntdObject):
         return []
 
 
-class Domain(MntdObject):
+class Domain(DSRecordModelMixin, MntdObject):
     handle = None
     handleSuffix = "DOM"
     name = models.CharField(max_length=67, unique=True, db_index=True)
@@ -50,9 +57,6 @@ class Domain(MntdObject):
     nameservers = models.ManyToManyField(Nameserver, blank=True)
     admin_c = models.ManyToManyField(Contact)
 
-    ds_records = models.TextField(blank=True, verbose_name='DS Records',
-                                  help_text='DS Records in the format of [id] [crypto-algo] [hash-algo] [hash]')
-
     def getPK(self):
         return self.name
 
@@ -85,7 +89,7 @@ class Domain(MntdObject):
         return name.lower()
 
 
-class ReverseZone(WhoisObject):
+class ReverseZone(DSRecordModelMixin, WhoisObject):
     handle = None
 
     parentNet = models.ForeignKey(InetNum)