diff --git a/app/models/ptr.rb b/app/models/ptr.rb
new file mode 100644
index 0000000..daa4351
--- /dev/null
+++ b/app/models/ptr.rb
@@ -0,0 +1,4 @@
+class PTR < Record
+  validates :content, presence: true, hostname: true
+end
+
diff --git a/app/models/record.rb b/app/models/record.rb
index 46b6829..bf96011 100644
--- a/app/models/record.rb
+++ b/app/models/record.rb
@@ -1,58 +1,71 @@
+require 'ipaddr'
+
 class Record < ActiveRecord::Base
   belongs_to :domain
 
   def self.record_types
     [
       'SOA', 'NS', 'CNAME',
       'A', 'AAAA',
       'MX',
       'TXT', 'SPF', 'SRV', 'SSHFP',
       'PTR',
     ]
   end
 
   validates :name, presence: true
   validates :type, inclusion: { in: record_types }
 
+  before_validation :guess_reverse_name
   before_validation :set_name
   after_save :update_zone_serial
   after_destroy :update_zone_serial
 
   def short
     return '' if name == domain.name
     return '' if name.blank?
 
     File.basename(name, ".#{domain.name}")
   end
 
   def supports_prio?
     false
   end
 
   # Create record specific urls for all record types
   #
   # Overrides default rails STI
   def self.model_name
     return super if self == Record
 
     Record.model_name
   end
 
   private
 
   # Hooks
 
+  def guess_reverse_name
+    return if not type == 'PTR'
+    return if not domain.reverse?
+    return if name.blank?
+
+    reverse = IPAddr.new(name).reverse
+    self.name = reverse if reverse.end_with?(domain.name)
+  rescue IPAddr::InvalidAddressError # rubycop:disable HandleExceptions
+  end
+
   # Powerdns expects full domain names
   def set_name
     self.name = domain.name if name.blank?
     self.name = "#{name}.#{domain.name}" if not name.end_with?(domain.name)
   end
 
   def update_zone_serial
     # SOA records handle serial themselves
     return true if type == 'SOA'
 
     domain.soa.bump_serial!
   end
 
 end
diff --git a/test/factories/ptr.rb b/test/factories/ptr.rb
new file mode 100644
index 0000000..1b63cdc
--- /dev/null
+++ b/test/factories/ptr.rb
@@ -0,0 +1,23 @@
+FactoryGirl.define do
+  sequence(:byte) { |n| (n % 256).to_s }
+  sequence(:nibble) { |n| (n % 16).to_s(16) }
+
+  factory :v4_ptr, class: 'PTR' do
+    domain factory: :v4_arpa_domain
+    name { generate(:byte) }
+    content { generate(:domain) }
+  end
+
+  factory :v6_ptr, class: 'PTR' do
+    domain factory: :v6_arpa_domain
+    name {
+      all_nibbles = '0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.b.d.0.1.0.0.2.ip6.arpa'.split('.').size
+      domain_nibbles = domain.name.split('.').size
+      missing = []
+      (all_nibbles - domain_nibbles).times { missing << generate(:nibble) }
+
+      missing.join('.')
+    }
+    content { generate(:domain) }
+  end
+end
diff --git a/test/models/ptr_test.rb b/test/models/ptr_test.rb
new file mode 100644
index 0000000..7ba80e9
--- /dev/null
+++ b/test/models/ptr_test.rb
@@ -0,0 +1,42 @@
+require 'test_helper'
+
+class PTRTest < ActiveSupport::TestCase
+  class V4PTRTest < ActiveSupport::TestCase
+    setup do
+      @record = build(:v4_ptr)
+    end
+
+    test 'save' do
+      @record.save
+
+      assert_empty @record.errors
+    end
+
+    test 'guess record' do
+      @record.name = '192.0.2.1'
+      assert @record.save
+
+      assert_equal '1.2.0.192.in-addr.arpa', @record.name
+    end
+  end
+
+  class V6PTRTest < ActiveSupport::TestCase
+    setup do
+      @record = build(:v6_ptr)
+    end
+
+    test 'save' do
+      @record.save
+      assert_empty @record.errors
+    end
+
+    test 'guess record' do
+      @record.name = '2001:db8::2'
+      assert @record.save
+
+      assert_equal '2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.b.d.0.1.0.0.2.ip6.arpa',
+                   @record.name
+    end
+  end
+
+end