diff --git a/netbox/ipam/models.py b/netbox/ipam/models.py
index 1d518ffb8..988332de2 100644
--- a/netbox/ipam/models.py
+++ b/netbox/ipam/models.py
@@ -493,6 +493,7 @@ class IPAddress(CreatedUpdatedModel):
                 raise ValidationError("Duplicate IP address found in global table: {}".format(duplicate_ips.first()))
 
     def save(self, *args, **kwargs):
+        self.update_dns()
         if self.address:
             # Infer address family from IPAddress object
             self.family = self.address.version
@@ -501,6 +502,31 @@ class IPAddress(CreatedUpdatedModel):
             r.save()
         super(IPAddress, self).save(*args, **kwargs)
 
+    def update_dns(self):
+        """Auto-create a corresponding A/AAAA DNS record (if possible) whenever the PTR field is modified"""
+        if self.ptr:
+            which_zone = None
+            zones = dns.models.Zone.objects.all()
+            for zone in zones:
+                if self.ptr.endswith(zone.name):
+                    which_zone = zone
+                    break
+
+            if which_zone:
+                zone_name = which_zone.name
+                record_name = self.ptr[:-len(zone_name)]
+                if record_name.endswith('.'):
+                    record_name = record_name[:-1]
+                record_type = 'A' if self.family==4 else 'AAAA'
+
+                dns.models.Record.objects.get_or_create(
+                    name = record_name,
+                    record_type = record_type,
+                    zone = which_zone,
+                    address = self,
+                    description = 'gen by netbox'
+                ) 
+
     def to_csv(self):
 
         # Determine if this IP is primary for a Device
diff --git a/netbox/ipam/views.py b/netbox/ipam/views.py
index 4c64c5a7c..84ff20c19 100644
--- a/netbox/ipam/views.py
+++ b/netbox/ipam/views.py
@@ -354,11 +354,14 @@ class PrefixBulkEditView(PermissionRequiredMixin, BulkEditView):
             fields_to_update['vrf'] = form.cleaned_data['vrf']
         elif form.cleaned_data['vrf_global']:
             fields_to_update['vrf'] = None
-        for field in ['site', 'status', 'role', 'description']:
+        for field in ['site', 'status', 'role', 'description', 'ttl', 'soa_name', 'soa_contact', 'soa_refresh', 'soa_retry', 'soa_expire', 'soa_minimum']:
             if form.cleaned_data[field]:
                 fields_to_update[field] = form.cleaned_data[field]
 
-        return self.cls.objects.filter(pk__in=pk_list).update(**fields_to_update)
+        plist = self.cls.objects.filter(pk__in=pk_list)
+        for p in plist:
+            p.save()
+        return plist.update(**fields_to_update)
 
 
 class PrefixBulkDeleteView(PermissionRequiredMixin, BulkDeleteView):
@@ -484,13 +487,13 @@ class IPAddressBulkEditView(PermissionRequiredMixin, BulkEditView):
             fields_to_update['vrf'] = form.cleaned_data['vrf']
         elif form.cleaned_data['vrf_global']:
             fields_to_update['vrf'] = None
-        for field in ['description']:
+        for field in ['ptr', 'description']:
             if form.cleaned_data[field]:
                 fields_to_update[field] = form.cleaned_data[field]
 
         iplist = self.cls.objects.filter(pk__in=pk_list)
         for ip in iplist:
-            ip.save() # in order to update dns zones serials
+            ip.save()
         return iplist.update(**fields_to_update)