diff --git a/web/src/hooks/useApi.ts b/web/src/hooks/useApi.ts
index e150ed7..a7bccf0 100644
--- a/web/src/hooks/useApi.ts
+++ b/web/src/hooks/useApi.ts
@@ -100,6 +100,41 @@ export function useImportZones() {
     onSuccess: () => qc.invalidateQueries({ queryKey: ["domains", project?.id] }),
   })
 }
+const CHECK_ALL_CONCURRENCY = 4
+
+// Ручной check по всем переданным доменам. Бэкенд (handleCheck) сам пишет
+// статус, поэтому после прогона достаточно перечитать список доменов.
+// Сбой одной зоны не прерывает остальные — считаем успехи и ошибки.
+export function useCheckAllDomains() {
+  const { project } = useAuth()
+  const qc = useQueryClient()
+  return useMutation({
+    mutationFn: async (ids: string[]) => {
+      const pid = requireProjectId(project)
+      let ok = 0
+      let failed = 0
+      const queue = [...ids]
+      const worker = async () => {
+        for (let id = queue.shift(); id !== undefined; id = queue.shift()) {
+          try {
+            await api.checkDomain(pid, id)
+            ok++
+          } catch {
+            failed++
+          }
+        }
+      }
+      await Promise.all(
+        Array.from({ length: Math.min(CHECK_ALL_CONCURRENCY, ids.length) }, worker),
+      )
+      return { ok, failed }
+    },
+    onSettled: () => {
+      qc.invalidateQueries({ queryKey: ["domains", project?.id] })
+      qc.invalidateQueries({ queryKey: ["check", project?.id] })
+    },
+  })
+}
 export function useSetDomainTemplate() {
   const { project } = useAuth()
   const qc = useQueryClient()
diff --git a/web/src/pages/DomainsPage.test.tsx b/web/src/pages/DomainsPage.test.tsx
index 7b9c7dd..959f3f2 100644
--- a/web/src/pages/DomainsPage.test.tsx
+++ b/web/src/pages/DomainsPage.test.tsx
@@ -234,3 +234,16 @@ test("счётчик показывает, сколько доменов отф
 
   expect(screen.getByText(/показано 1 из 2/i)).toBeInTheDocument()
 })
+
+test("«Проверить все зоны» проверяет только домены с шаблоном и обновляет список", async () => {
+  const check = vi.spyOn(api, "checkDomain").mockResolvedValue({ diffs: [] } as never)
+  const user = userEvent.setup()
+  renderPage()
+  await screen.findByText("example.com.")
+
+  await user.click(screen.getByRole("button", { name: "Проверить все зоны" }))
+
+  await waitFor(() => expect(check).toHaveBeenCalledTimes(1))
+  expect(check).toHaveBeenCalledWith(PROJECT_ID, "d2")
+  expect(await screen.findByText("Проверено 1")).toBeInTheDocument()
+})
diff --git a/web/src/pages/DomainsPage.tsx b/web/src/pages/DomainsPage.tsx
index fc2aefb..9338ca4 100644
--- a/web/src/pages/DomainsPage.tsx
+++ b/web/src/pages/DomainsPage.tsx
@@ -1,6 +1,6 @@
 import { useState } from "react"
 import { Link } from "react-router-dom"
-import { Inbox, Loader2, Upload } from "lucide-react"
+import { GitCompareArrows, Inbox, Loader2, Upload } from "lucide-react"
 import { Button } from "@/components/ui/button"
 import { StatusBadge } from "@/components/StatusBadge"
 import {
@@ -20,6 +20,7 @@ import {
 } from "@/components/ui/table"
 import {
   useAccounts,
+  useCheckAllDomains,
   useDomains,
   useImportZones,
   useSetDomainTemplate,
@@ -56,6 +57,7 @@ export function DomainsPage() {
   const accounts = useAccounts()
   const templates = useTemplates()
   const importZones = useImportZones()
+  const checkAll = useCheckAllDomains()
   const setTemplate = useSetDomainTemplate()
 
   const accountList = accounts.data ?? []
@@ -104,6 +106,13 @@ export function DomainsPage() {
     importZones.mutate(selectedImportAccount)
   }
 
+  // Диф есть только у доменов с шаблоном; фильтры списка на набор не влияют.
+  const checkableIds = domainList.filter((d) => d.templateId).map((d) => d.id)
+
+  function onCheckAll() {
+    checkAll.mutate(checkableIds)
+  }
+
   function onTemplateChange(domainId: string, value: unknown) {
     const templateId = value === NO_TEMPLATE ? null : (value as string)
     setTemplate.mutate({ id: domainId, templateId })
@@ -146,9 +155,27 @@ export function DomainsPage() {
           )}
           Импортировать зоны
         </Button>
+        <Button
+          variant="outline"
+          onClick={onCheckAll}
+          disabled={checkableIds.length === 0 || checkAll.isPending}
+        >
+          {checkAll.isPending ? (
+            <Loader2 className="size-4 animate-spin" strokeWidth={1.75} />
+          ) : (
+            <GitCompareArrows className="size-4" strokeWidth={1.75} />
+          )}
+          Проверить все зоны
+        </Button>
         {importZones.isError && (
           <span className="font-dns text-xs text-destructive">{importZones.error.message}</span>
         )}
+        {checkAll.isSuccess && (
+          <span className="font-dns text-xs text-muted-foreground">
+            Проверено {checkAll.data.ok}
+            {checkAll.data.failed > 0 && `, ошибок ${checkAll.data.failed}`}
+          </span>
+        )}
         {importZones.isSuccess && (
           <span className="font-dns text-xs text-muted-foreground">
             Создано {importZones.data.created.length}, удалено {importZones.data.removed.length}