diff --git a/src/App/Page/DomainList.purs b/src/App/Page/DomainList.purs
index 44f7fb1..88ba0be 100644
--- a/src/App/Page/DomainList.purs
+++ b/src/App/Page/DomainList.purs
@@ -16,6 +16,7 @@ import Prelude (Unit, bind, discard, map, otherwise, pure, ($), (/=), (<<<), (<>
 import Data.Array as A
 import Data.ArrayBuffer.Types (ArrayBuffer)
 import Data.Either (Either(..))
+import Data.String (toLower)
 import Data.Maybe (Maybe(..), maybe)
 import Data.String.Utils (endsWith)
 import Effect.Aff.Class (class MonadAff)
@@ -226,7 +227,7 @@ handleAction = case _ of
   HandleNewDomainInput adduserinp -> do
     case adduserinp of
       INP_newdomain v -> do
-        H.modify_ _ { newDomainForm { new_domain = v } }
+        H.modify_ _ { newDomainForm { new_domain = toLower v } }
         case v of
           "" -> H.modify_ _ { newDomainForm { _errors = [] } }
           _ -> case Validation.label v of
diff --git a/src/App/Page/Zone.purs b/src/App/Page/Zone.purs
index 433f7ab..ece6b11 100644
--- a/src/App/Page/Zone.purs
+++ b/src/App/Page/Zone.purs
@@ -31,6 +31,7 @@ import Data.Tuple (Tuple(..))
 import Data.ArrayBuffer.Types (ArrayBuffer)
 import Data.Array.NonEmpty as NonEmpty
 import Data.Either (Either(..))
+import Data.String (toLower)
 import Data.String.CodePoints as CP
 -- import Data.Foldable as Foldable
 import Data.Maybe (Maybe(..), fromMaybe, maybe)
@@ -1027,7 +1028,7 @@ loopE f a = case (A.head a) of
 
 update_field :: ResourceRecord -> Field -> ResourceRecord
 update_field rr updated_field = case updated_field of
-  Field_Domain val           -> rr { name       = val }
+  Field_Domain val           -> rr { name       = toLower val }
   Field_Target val           -> rr { target     = val }
   Field_TTL val              -> rr { ttl        = fromMaybe 0 (fromString val) }
   Field_Priority val         -> rr { priority   = fromString val }