diff --git a/apps/web/src/components/domain/domain-form.tsx b/apps/web/src/components/domain/domain-form.tsx
index 7a2ad45..cd4505c 100644
--- a/apps/web/src/components/domain/domain-form.tsx
+++ b/apps/web/src/components/domain/domain-form.tsx
@@ -45,6 +45,7 @@ export function DomainForm({
   const [error, setError] = useState<string | null>(null);
   const [verifyMsg, setVerifyMsg] = useState<string | null>(null);
   const [confirmRemove, setConfirmRemove] = useState(false);
+  const [removeError, setRemoveError] = useState<string | null>(null);
 
   const records =
     initial.domain && initial.token
@@ -93,12 +94,20 @@ export function DomainForm({
   }
 
   async function remove() {
+    setRemoveError(null);
     setBusy("remove");
     try {
-      await fetch(`/api/guilds/${guildId}/domain`, { method: "DELETE" });
+      const res = await fetch(`/api/guilds/${guildId}/domain`, { method: "DELETE" });
+      if (!res.ok) {
+        const data = (await res.json().catch(() => null)) as { error?: string } | null;
+        throw new Error(data?.error ?? t.errRemove);
+      }
       setDomain("");
       setConfirmRemove(false);
       router.refresh();
+    } catch (err) {
+      // The dialog stays open with the reason, so the domain is not shown as gone.
+      setRemoveError(err instanceof Error ? err.message : t.errRemove);
     } finally {
       setBusy(null);
     }
@@ -197,7 +206,10 @@ export function DomainForm({
       <ConfirmDialog
         open={confirmRemove}
         onClose={() => {
-          if (busy !== "remove") setConfirmRemove(false);
+          if (busy !== "remove") {
+            setConfirmRemove(false);
+            setRemoveError(null);
+          }
         }}
         onConfirm={remove}
         title={t.remove}
@@ -206,6 +218,7 @@ export function DomainForm({
         cancelLabel={t.cancel}
         tone="danger"
         busy={busy === "remove"}
+        error={removeError}
         typeToConfirm={{
           expected: initial.domain,
           label: t.typeDomain.replace("{domain}", initial.domain),
diff --git a/apps/web/src/i18n/dictionaries.ts b/apps/web/src/i18n/dictionaries.ts
index f80df98..f77ed9b 100644
--- a/apps/web/src/i18n/dictionaries.ts
+++ b/apps/web/src/i18n/dictionaries.ts
@@ -906,6 +906,7 @@ const en = {
     removeConfirm: "Remove this custom domain? Your forms will go back to the default URL.",
     cancel: "Cancel",
     errSave: "Could not save the domain.",
+    errRemove: "Could not remove the domain.",
     step1: "1. Point your domain to us with a CNAME record:",
     step2: "2. Prove ownership with a TXT record:",
     recordName: "Name",
@@ -2227,6 +2228,7 @@ const de: Dictionary = {
       "Diese Domain entfernen? Deine Formulare sind dann wieder unter der Standard-URL erreichbar.",
     cancel: "Abbrechen",
     errSave: "Domain konnte nicht gespeichert werden.",
+    errRemove: "Die Domain konnte nicht entfernt werden.",
     step1: "1. Zeige mit einem CNAME-Eintrag auf uns:",
     step2: "2. Weise den Besitz mit einem TXT-Eintrag nach:",
     recordName: "Name",
@@ -3546,6 +3548,7 @@ const hu: Dictionary = {
       "Eltávolítod ezt a domaint? Az űrlapjaid újra az alapértelmezett URL-en lesznek elérhetők.",
     cancel: "Mégse",
     errSave: "A domain mentése sikertelen.",
+    errRemove: "Nem sikerült eltávolítani a domaint.",
     step1: "1. Mutass ránk egy CNAME rekorddal:",
     step2: "2. Igazold a tulajdonjogot egy TXT rekorddal:",
     recordName: "Név",
@@ -4860,6 +4863,7 @@ const fr: Dictionary = {
       "Supprimer ce domaine personnalisé ? Vos formulaires reviendront à l'URL par défaut.",
     cancel: "Annuler",
     errSave: "Impossible d'enregistrer le domaine.",
+    errRemove: "Impossible de supprimer le domaine.",
     step1: "1. Pointez votre domaine vers nous avec un enregistrement CNAME :",
     step2: "2. Prouvez la propriété avec un enregistrement TXT :",
     recordName: "Nom",
@@ -6175,6 +6179,7 @@ const es: Dictionary = {
       "¿Eliminar este dominio personalizado? Tus formularios volverán a la URL predeterminada.",
     cancel: "Cancelar",
     errSave: "No se pudo guardar el dominio.",
+    errRemove: "No se pudo quitar el dominio.",
     step1: "1. Apunta tu dominio hacia nosotros con un registro CNAME:",
     step2: "2. Prueba la propiedad con un registro TXT:",
     recordName: "Nombre",
@@ -7484,6 +7489,7 @@ const pt: Dictionary = {
     removeConfirm: "Remover este domínio personalizado? Seus formulários voltarão à URL padrão.",
     cancel: "Cancelar",
     errSave: "Não foi possível salvar o domínio.",
+    errRemove: "Não foi possível remover o domínio.",
     step1: "1. Aponte seu domínio para nós com um registro CNAME:",
     step2: "2. Prove a propriedade com um registro TXT:",
     recordName: "Nome",
@@ -8788,6 +8794,7 @@ const pl: Dictionary = {
     removeConfirm: "Usunąć tę domenę? Twoje formularze wrócą pod domyślny adres URL.",
     cancel: "Anuluj",
     errSave: "Nie udało się zapisać domeny.",
+    errRemove: "Nie udało się usunąć domeny.",
     step1: "1. Wskaż na nas domenę rekordem CNAME:",
     step2: "2. Potwierdź własność rekordem TXT:",
     recordName: "Nazwa",