diff --git a/src/App/Container.purs b/src/App/Container.purs
index 1e7634b..a0d6edf 100644
--- a/src/App/Container.purs
+++ b/src/App/Container.purs
@@ -521,6 +521,7 @@ handleAction = case _ of
   ZoneInterfaceEvent ev -> case ev of
     ZoneInterface.MessageToSend message  -> H.tell _ws_dns unit (WS.ToSend message)
     ZoneInterface.Log message            -> handleAction $ Log message
+    ZoneInterface.ToDomainList     -> handleAction $ Routing DomainList
 
   DomainListComponentEvent ev -> case ev of
     DomainListInterface.MessageToSend message  -> H.tell _ws_dns unit (WS.ToSend message)
diff --git a/src/App/Page/Navigation.purs b/src/App/Page/Navigation.purs
index ad0a07d..6031570 100644
--- a/src/App/Page/Navigation.purs
+++ b/src/App/Page/Navigation.purs
@@ -192,7 +192,7 @@ render { logged, active, admin, login } =
          , HE.onClick (\_ -> action)
          ] [ (HH.text str) ]
 
-  dropdown_element classes link str = HH.a [HP.classes (C.navbar_item <> classes), HP.href link] [HH.text str]
+  dropdown_element classes link str = Bulma.outside_link (C.navbar_item <> classes) link str
   dropdown_element_primary link str   = dropdown_element C.has_background_info_light link str
   dropdown_element_secondary link str = dropdown_element C.has_background_warning_light link str
 
diff --git a/src/App/Page/Zone.purs b/src/App/Page/Zone.purs
index 8baa9fa..776b670 100644
--- a/src/App/Page/Zone.purs
+++ b/src/App/Page/Zone.purs
@@ -83,6 +83,7 @@ id x = x
 data Output
   = MessageToSend ArrayBuffer
   | Log LogMessage
+  | ToDomainList
 
 -- | `App.ZoneInterface` can receive messages from `dnsmanagerd`.
 
@@ -142,6 +143,9 @@ data Action
   -- | Change the current tab.
   | ChangeTab Tab
 
+  -- | Return to the domain list.
+  | ReturnToDomainList
+
   -- | Update new entry form (in the `rr_modal` modal).
   | UpdateCurrentRR Field
 
@@ -353,7 +357,9 @@ render state
           NewRRModal _        -> render_current_rr_modal
           UpdateRRModal       -> render_current_rr_modal
           NoModal -> HH.div_
-            [ Bulma.h1 state._domain
+            [ Bulma.level [ Bulma.btn_ (C.is_large <> C.is_info)  "Back to the domain list" ReturnToDomainList
+                          , Bulma.h1 state._domain
+                          ] []
             , Bulma.hr
             , render_resources $ sorted state._resources
             , Bulma.hr
@@ -611,7 +617,7 @@ render state
 
           , Bulma.hr
           , Bulma.div_content [] [Bulma.explanation Explanations.dmarc_pct]
-          , Bulma.box_input "idDMARCpct" "Sample rate [0..100]" "100" DMARC_pct (maybe "100" show state.dmarc.pct)
+          , Bulma.box_input "idDMARCpct" "Sample rate (between 0 and 100)" "100" DMARC_pct (maybe "100" show state.dmarc.pct)
 
           , Bulma.hr
           , Bulma.selection_field' "idDMARCfo" "When to send a report" DMARC_fo
@@ -635,8 +641,8 @@ render state
           , render_dmarc_mail_errors
           , Bulma.box_input "idDMARCmail"      "Address to contact" "admin@example.com" DMARC_mail state.dmarc_mail
           , Bulma.box_input "idDMARCmaillimit" "Report size limit (in KB)" "2000" DMARC_mail_limit (maybe "0" show state.dmarc_mail_limit)
-          , Bulma.level [ Bulma.btn "New address for aggregated report" DMARC_rua_Add
-                        , Bulma.btn "New address for specific report" DMARC_ruf_Add
+          , Bulma.level [ Bulma.btn_ C.has_background_info_light "New address for aggregated report" DMARC_rua_Add
+                        , Bulma.btn_ C.has_background_success_light "New address for specific report" DMARC_ruf_Add
                         ] []
 
           , Bulma.hr
@@ -686,6 +692,10 @@ handleAction = case _ of
   DeleteRRModal rr_id -> do
     H.modify_ _ { rr_modal = RemoveRRModal rr_id }
 
+  -- | Return to the domain list.
+  ReturnToDomainList -> do
+    H.raise ToDomainList
+
   -- | Change the current tab.
   ChangeTab new_tab -> do
     -- Store the current tab we are on and restore it when we reload.
diff --git a/src/App/Text/Explanations.purs b/src/App/Text/Explanations.purs
index c988e58..9d17f5f 100644
--- a/src/App/Text/Explanations.purs
+++ b/src/App/Text/Explanations.purs
@@ -2,6 +2,7 @@ module App.Text.Explanations where
 import Halogen.HTML as HH
 import Halogen.HTML.Properties as HP
 import Bulma as Bulma
+import CSSClasses as C
 
 expl' :: forall w i. String -> HH.HTML w i
 expl' text = expl [Bulma.p text]
@@ -311,8 +312,8 @@ dmarc_introduction =
 dmarc_policy :: forall w i. Array (HH.HTML w i)
 dmarc_policy =
   [ Bulma.p """
-    DMARC record enables to tell receivers what to do with a non-conforming message;
-    a message that wasn't properly secured with SPF and DKIM.
+    DMARC record enables to tell receivers what to do with a non-conforming message,
+    i.e. a message that wasn't properly secured with SPF and DKIM.
     """
   , Bulma.p """
     This message can either be accepted ("None") or rejected, or even quarantined, meaning to be considered as suspicious.
@@ -353,18 +354,21 @@ dmarc_aspf =
     In strict mode, both fields should be identical.
     In relaxed mode, they can be different, but in the same Organizational Domain.
     """
-  , Bulma.p """
-    From RFC7489: For example, if a message passes an SPF check with an
-    RFC5321.MailFrom domain of "cbg.bounces.example.com", and the address
-    portion of the RFC5322.From field contains "payments@example.com",
-    the Authenticated RFC5321.MailFrom domain identifier and the
-    RFC5322.From domain are considered to be "in alignment" in relaxed
-    mode, but not in strict mode.
-    """
+  , HH.p_ [ HH.text "From RFC7489:"
+          , HH.div [HP.classes C.is_italic]
+            [ HH.text """For example, if a message passes an SPF check with an
+                         RFC5321.MailFrom domain of "cbg.bounces.example.com", and the address
+                         portion of the RFC5322.From field contains "payments@example.com",
+                         the Authenticated RFC5321.MailFrom domain identifier and the
+                         RFC5322.From domain are considered to be "in alignment" in relaxed
+                         mode, but not in strict mode.
+                         """
+            ]
+          ]
   , HH.p_
     [ HH.text "See "
-    , HH.a [HP.href "https://publicsuffix.org/"] [ HH.text "publicsuffix.org" ]
-    , HH.text " for a list of organizational domains."
+    , Bulma.outside_link [] "https://publicsuffix.org/" "publicsuffix.org"
+    , HH.text " for a list of Organizational Domains."
     ]
   ]
 
diff --git a/src/App/Type/DMARC.purs b/src/App/Type/DMARC.purs
index 10ac8b3..e401481 100644
--- a/src/App/Type/DMARC.purs
+++ b/src/App/Type/DMARC.purs
@@ -108,7 +108,7 @@ report_occasions = [Both, DKIMonly, SPFonly, Any]
 
 report_occasions_txt :: Array String
 report_occasions_txt
-  = [ "Do not tell when to send reports (default: when both fail)"
+  = [ "Do not tell when to send reports"
     , "When both SPF and DKIM fail"
     , "Upon a DKIM error"
     , "Upon an SPF error"
@@ -171,7 +171,7 @@ consistency_policies_txt :: Array String
 consistency_policies_txt
   = [ "Do not provide policy advice"
     , "Strict: same domain"
-    , "Relaxed: same organizational domain"
+    , "Relaxed: same Organizational Domain"
     ]
 
 consistency_policies_raw :: Array String
diff --git a/src/Bulma.purs b/src/Bulma.purs
index 4c630a4..54571cb 100644
--- a/src/Bulma.purs
+++ b/src/Bulma.purs
@@ -16,6 +16,9 @@ import Halogen.HTML.Core (AttrName(..))
 -- import Web.Event.Event (type_, Event, EventType(..))
 -- import Web.UIEvent.MouseEvent (MouseEvent) -- package web-uievents
 
+outside_link :: forall w i. Array HH.ClassName -> String -> String  -> HH.HTML w i
+outside_link classes url title = HH.a [ HP.classes classes, HP.target "_blank", HP.href url ] [ HH.text title ]
+
 columns :: forall (w :: Type) (i :: Type).
   Array HH.ClassName -> Array (HH.HTML w i) -> HH.HTML w i
 columns classes = HH.div [ HP.classes (C.columns <> classes) ]
@@ -304,42 +307,42 @@ dmarc_table_header
 
 name_soa_header :: forall w i. HH.HTML w i
 name_soa_header = HH.abbr
-  [ HP.title "Your actual domain name (technical term: \"fully qualified domain name\")" ]
+  [ HP.title "Your actual domain name (technical term: \"fully qualified domain name\")." ]
   [ HH.text "Name" ]
 
 mname_soa_header :: forall w i. HH.HTML w i
 mname_soa_header = HH.abbr
-  [ HP.title "Domain name of the primary authoritative DNS server for the zone (SOA \"MNAME\" field)" ]
+  [ HP.title "Domain name of the primary authoritative DNS server for the zone (SOA \"MNAME\" field)." ]
   [ HH.text "Primary NS" ]
 
 rname_soa_header :: forall w i. HH.HTML w i
 rname_soa_header = HH.abbr
-  [ HP.title "The email address of the person responsible for managing the zone (the \"@\" is replaced by \".\" for some reason, this is the SOA \"RNAME\" field)" ]
+  [ HP.title "The email address of the person responsible for managing the zone (the \"@\" is replaced by \".\" for some reason). This is the SOA \"RNAME\" field." ]
   [ HH.text "Contact" ]
 
 serial_soa_header :: forall w i. HH.HTML w i
 serial_soa_header = HH.abbr
-  [ HP.title "A number that is incremented every time the zone is updated. Secondary DNS servers use this number to check for updates" ]
+  [ HP.title "A number that is incremented every time the zone is updated. Secondary DNS servers use this number to check for updates." ]
   [ HH.text "Serial" ]
 
 refresh_soa_header :: forall w i. HH.HTML w i
 refresh_soa_header = HH.abbr
-  [ HP.title "The interval (in seconds) at which secondary DNS servers should check the primary server for changes to the zone" ]
+  [ HP.title "The interval (in seconds) at which secondary DNS servers should check the primary server for changes to the zone." ]
   [ HH.text "Refresh" ]
 
 retry_soa_header :: forall w i. HH.HTML w i
 retry_soa_header = HH.abbr
-  [ HP.title "The time in seconds that secondary servers should wait before retrying a failed attempt to contact the primary DNS server" ]
+  [ HP.title "The time in seconds that secondary servers should wait before retrying a failed attempt to contact the primary DNS server." ]
   [ HH.text "Retry" ]
 
 expire_soa_header :: forall w i. HH.HTML w i
 expire_soa_header = HH.abbr
-  [ HP.title "The time in seconds that secondary DNS servers will keep the zone data before discarding it if they cannot contact the primary server" ]
+  [ HP.title "The time in seconds that secondary DNS servers will keep the zone data before discarding it if they cannot contact the primary server." ]
   [ HH.text "Expire" ]
 
 minttl_soa_header :: forall w i. HH.HTML w i
 minttl_soa_header = HH.abbr
-  [ HP.title "The minimum time (in seconds) that other DNS servers should cache negative responses (e.g., for non-existent domain names)" ]
+  [ HP.title "The minimum time (in seconds) that other DNS servers should cache negative responses (e.g., for non-existent domain names)." ]
   [ HH.text "Minimum TTL" ]
 
 soa_table_header :: forall w i. HH.HTML w i
diff --git a/src/CSSClasses.purs b/src/CSSClasses.purs
index cf8dc54..0b6c144 100644
--- a/src/CSSClasses.purs
+++ b/src/CSSClasses.purs
@@ -67,6 +67,7 @@ is_dark                      = [HH.ClassName "is-dark"]                      ::
 is_horizontal                = [HH.ClassName "is-horizontal"]                :: Array HH.ClassName
 is_hoverable                 = [HH.ClassName "is-hoverable"]                 :: Array HH.ClassName
 is_info                      = [HH.ClassName "is-info"]                      :: Array HH.ClassName
+is_italic                    = [HH.ClassName "is-italic"]                    :: Array HH.ClassName
 is_large                     = [HH.ClassName "is-large"]                     :: Array HH.ClassName
 is_light                     = [HH.ClassName "is-light"]                     :: Array HH.ClassName
 is_medium                    = [HH.ClassName "is-medium"]                    :: Array HH.ClassName