diff --git a/src/App/DNSZone.purs b/src/App/DNSZone.purs
index 7cf1f54..0a05a36 100644
--- a/src/App/DNSZone.purs
+++ b/src/App/DNSZone.purs
@@ -1,18 +1,30 @@
 module App.DNSZone where
 
-import Prelude
+import Data.Maybe (Maybe)
 
 import Data.Codec.Argonaut (JsonCodec)
 import Data.Codec.Argonaut as CA
-import Data.Newtype (class Newtype)
-import Data.Profunctor (wrapIso)
+import Data.Codec.Argonaut.Record as CAR
+import App.ResourceRecord as RR
 
-newtype DNSZone = DNSZone String
+type DNSZone
+  = { domain        :: String
 
-derive instance newtypeDNSZone :: Newtype DNSZone _
-derive instance eqDNSZone :: Eq DNSZone
-derive instance ordDNSZone :: Ord DNSZone
+    -- List of all the zone's resource records.
+    , resources     :: Array RR.ResourceRecord
+
+    -- Each resource record has a number, this is the ID to give to a new RR.
+    , current_rrid  :: Int
+
+    -- Minimum TTL accepted for a resource record.
+    , ttl_limit_min :: Int
+    }
 
--- | DNSZone.codec can be used to parse and encode email addresses.
 codec :: JsonCodec DNSZone
-codec = wrapIso DNSZone CA.string
+codec = CA.object "DNSZone"
+  (CAR.record
+    { domain:        CA.string
+    , resources:     CA.array RR.codec
+    , current_rrid:  CA.int
+    , ttl_limit_min: CA.int
+    })