diff --git a/packages/db/src/repositories/ip-match.test.ts b/packages/db/src/repositories/ip-match.test.ts
index 7f5ed78..a7c076a 100644
--- a/packages/db/src/repositories/ip-match.test.ts
+++ b/packages/db/src/repositories/ip-match.test.ts
@@ -2,6 +2,7 @@ import { describe, expect, it } from 'vitest'
 import {
   collectVpsIps,
   findVpsIdByIps,
+  findVpsIdsByIps,
   isPrivateOrLoopbackIp,
   normalizeIp,
 } from './ip-match.js'
@@ -31,6 +32,25 @@ describe('ip-match', () => {
       { id: 'b', ip: '', additionalIps: ['203.0.113.10'] },
     ]
     expect(findVpsIdByIps(all, ['203.0.113.10'])).toBeNull()
+    expect(findVpsIdsByIps(all, ['203.0.113.10'])).toEqual([])
+  })
+
+  it('собирает оба VPS по разным однозначным IP', () => {
+    const all = [
+      { id: 'a', ip: '203.0.113.10', additionalIps: [] },
+      { id: 'b', ip: '203.0.113.20', additionalIps: [] },
+    ]
+    expect(findVpsIdByIps(all, ['203.0.113.10', '203.0.113.20'])).toBeNull()
+    expect(findVpsIdsByIps(all, ['203.0.113.10', '203.0.113.20']).sort()).toEqual(['a', 'b'])
+  })
+
+  it('пропускает неоднозначный IP и оставляет однозначные', () => {
+    const all = [
+      { id: 'a', ip: '203.0.113.10', additionalIps: [] },
+      { id: 'b', ip: '203.0.113.20', additionalIps: ['203.0.113.10'] },
+      { id: 'c', ip: '198.51.100.1', additionalIps: [] },
+    ]
+    expect(findVpsIdsByIps(all, ['203.0.113.10', '198.51.100.1'])).toEqual(['c'])
   })
 
   it('считает loopback и RFC1918 приватными', () => {
diff --git a/packages/db/src/repositories/ip-match.ts b/packages/db/src/repositories/ip-match.ts
index 702b1bd..c5ec6ff 100644
--- a/packages/db/src/repositories/ip-match.ts
+++ b/packages/db/src/repositories/ip-match.ts
@@ -36,18 +36,24 @@ export function collectVpsIps(vps: {
 }
 
 export function findVpsIdByIps<T extends VpsIpFields>(allVps: T[], ips: string[]): string | null {
-  const normalized = [...new Set(ips.map(normalizeIp).filter((ip) => ip && isIpLiteral(ip)))]
-  if (normalized.length === 0) return null
+  const ids = findVpsIdsByIps(allVps, ips)
+  return ids.length === 1 ? ids[0]! : null
+}
 
-  const matches: string[] = []
-  for (const v of allVps) {
-    const vips = collectVpsIps(v)
-    if (normalized.some((ip) => vips.includes(ip))) {
-      matches.push(v.id)
-    }
+/**
+ * Все VPS, у которых IP из списка однозначен (этот IP есть ровно у одного сервера).
+ * IP, висящий сразу на двух VPS, пропускается.
+ */
+export function findVpsIdsByIps<T extends VpsIpFields>(allVps: T[], ips: string[]): string[] {
+  const normalized = [...new Set(ips.map(normalizeIp).filter((ip) => ip && isIpLiteral(ip)))]
+  if (normalized.length === 0) return []
+
+  const result = new Set<string>()
+  for (const ip of normalized) {
+    const matches = allVps.filter((v) => collectVpsIps(v).includes(ip))
+    if (matches.length === 1) result.add(matches[0]!.id)
   }
-  if (matches.length === 1) return matches[0]!
-  return null
+  return [...result]
 }
 
 function ipv4Octets(ip: string): number[] | null {
diff --git a/packages/db/src/repositories/vps-domains.test.ts b/packages/db/src/repositories/vps-domains.test.ts
index 535e87c..d313fe6 100644
--- a/packages/db/src/repositories/vps-domains.test.ts
+++ b/packages/db/src/repositories/vps-domains.test.ts
@@ -147,6 +147,164 @@ describe('vpsDomainsRepository', () => {
     const domains = vpsDomainsRepository.listByVpsId(created.id)
     expect(domains.map((d) => d.fqdn).sort()).toEqual(['home.rkns.top', 'mhome.rkns.top'])
   })
+
+  it('привязывает общий FQDN ко всем VPS с однозначными IP', () => {
+    const vpsA = vpsRepository.create({
+      ip: '203.0.113.40',
+      providerId: 'p1',
+      providerAccountId: 'a1',
+      status: 'active',
+      tariffType: 'monthly',
+      currency: 'RUB',
+      vcpu: 1,
+      ramGb: 1,
+      diskGb: 10,
+    })
+    const vpsB = vpsRepository.create({
+      ip: '203.0.113.41',
+      providerId: 'p1',
+      providerAccountId: 'a1',
+      status: 'active',
+      tariffType: 'monthly',
+      currency: 'RUB',
+      vcpu: 1,
+      ramGb: 1,
+      diskGb: 10,
+    })
+    const a = Array.isArray(vpsA) ? vpsA[0]! : vpsA
+    const b = Array.isArray(vpsB) ? vpsB[0]! : vpsB
+
+    const result = vpsDomainsRepository.syncBindings([
+      {
+        bindingId: 6,
+        serviceId: 30,
+        serviceName: 'DNS',
+        serviceSlug: 'dns',
+        fqdn: 'dns.example.com',
+        zoneName: 'example.com',
+        hostname: 'dns',
+        ips: ['203.0.113.40', '203.0.113.41'],
+      },
+      {
+        bindingId: 7,
+        serviceId: 30,
+        serviceName: 'DNS',
+        serviceSlug: 'dns',
+        fqdn: '*.dns.example.com',
+        zoneName: 'example.com',
+        hostname: '*.dns',
+        ips: ['203.0.113.40', '203.0.113.41'],
+      },
+    ])
+
+    expect(result.matched).toBe(2)
+    expect(result.unmatched).toBe(0)
+    expect(result.upserted).toBe(4)
+    expect(vpsDomainsRepository.listUnmatched()).toHaveLength(0)
+    expect(vpsDomainsRepository.listByVpsId(a.id).map((d) => d.fqdn).sort()).toEqual([
+      '*.dns.example.com',
+      'dns.example.com',
+    ])
+    expect(vpsDomainsRepository.listByVpsId(b.id).map((d) => d.fqdn).sort()).toEqual([
+      '*.dns.example.com',
+      'dns.example.com',
+    ])
+  })
+
+  it('привязывает только VPS с совпавшим IP, если второй IP неизвестен', () => {
+    const vps = vpsRepository.create({
+      ip: '203.0.113.50',
+      providerId: 'p1',
+      providerAccountId: 'a1',
+      status: 'active',
+      tariffType: 'monthly',
+      currency: 'RUB',
+      vcpu: 1,
+      ramGb: 1,
+      diskGb: 10,
+    })
+    const created = Array.isArray(vps) ? vps[0]! : vps
+
+    const result = vpsDomainsRepository.syncBindings([
+      {
+        bindingId: 8,
+        serviceId: 31,
+        serviceName: 'DNS',
+        serviceSlug: 'dns',
+        fqdn: 'ns.example.com',
+        zoneName: 'example.com',
+        hostname: 'ns',
+        ips: ['203.0.113.50', '198.51.100.9'],
+      },
+    ])
+
+    expect(result.matched).toBe(1)
+    expect(result.unmatched).toBe(0)
+    expect(vpsDomainsRepository.listByVpsId(created.id)).toHaveLength(1)
+    expect(vpsDomainsRepository.listUnmatched()).toHaveLength(0)
+  })
+
+  it('наследует все VPS родителя по CNAME', () => {
+    const vpsA = vpsRepository.create({
+      ip: '203.0.113.60',
+      providerId: 'p1',
+      providerAccountId: 'a1',
+      status: 'active',
+      tariffType: 'monthly',
+      currency: 'RUB',
+      vcpu: 1,
+      ramGb: 1,
+      diskGb: 10,
+    })
+    const vpsB = vpsRepository.create({
+      ip: '203.0.113.61',
+      providerId: 'p1',
+      providerAccountId: 'a1',
+      status: 'active',
+      tariffType: 'monthly',
+      currency: 'RUB',
+      vcpu: 1,
+      ramGb: 1,
+      diskGb: 10,
+    })
+    const a = Array.isArray(vpsA) ? vpsA[0]! : vpsA
+    const b = Array.isArray(vpsB) ? vpsB[0]! : vpsB
+
+    const result = vpsDomainsRepository.syncBindings([
+      {
+        bindingId: 9,
+        serviceId: 40,
+        serviceName: 'DNS',
+        serviceSlug: 'dns',
+        fqdn: 'dns.example.com',
+        zoneName: 'example.com',
+        hostname: 'dns',
+        ips: ['203.0.113.60', '203.0.113.61'],
+      },
+      {
+        bindingId: 10,
+        serviceId: 41,
+        serviceName: 'Alias',
+        serviceSlug: 'alias',
+        fqdn: 'ns.other.example',
+        zoneName: 'other.example',
+        hostname: 'ns',
+        ips: [],
+        cnameTarget: 'dns.example.com',
+      },
+    ])
+
+    expect(result.matched).toBe(2)
+    expect(result.unmatched).toBe(0)
+    expect(vpsDomainsRepository.listByVpsId(a.id).map((d) => d.fqdn).sort()).toEqual([
+      'dns.example.com',
+      'ns.other.example',
+    ])
+    expect(vpsDomainsRepository.listByVpsId(b.id).map((d) => d.fqdn).sort()).toEqual([
+      'dns.example.com',
+      'ns.other.example',
+    ])
+  })
 })
 
 describe('settingsRepository integration fields', () => {
diff --git a/packages/db/src/repositories/vps-domains.ts b/packages/db/src/repositories/vps-domains.ts
index 6ec9e71..21215da 100644
--- a/packages/db/src/repositories/vps-domains.ts
+++ b/packages/db/src/repositories/vps-domains.ts
@@ -1,13 +1,13 @@
 import { and, asc, eq, isNull } from 'drizzle-orm'
-// and used in markOrphaned / listUnmatched
 import type { CfdmBindingSyncItem } from '@cfdm/shared/contracts/integration-cfdm'
 import { getDb, schema } from '../index.js'
 import { getCurrentSpaceId } from '../space-context.js'
 import { generateId } from './utils.js'
-import { findVpsIdByIps, isIpLiteral } from './ip-match.js'
+import { findVpsIdsByIps, isIpLiteral } from './ip-match.js'
 import { vpsRepository } from './vps.js'
 
 type Row = typeof schema.vpsDomains.$inferSelect
+type Db = ReturnType<typeof getDb>
 
 export type VpsDomainDto = Row
 
@@ -27,33 +27,143 @@ function findVpsIdByDns(
   return null
 }
 
-function findVpsIdForBinding(
+function findVpsIdsForBinding(
   allVps: ReturnType<typeof vpsRepository.list>,
   item: Pick<CfdmBindingSyncItem, 'ips' | 'fqdn' | 'cnameTarget'>,
-): string | null {
-  return (
-    findVpsIdByIps(allVps, item.ips) ??
-    findVpsIdByDns(allVps, item.fqdn) ??
-    (item.cnameTarget ? findVpsIdByDns(allVps, item.cnameTarget) : null)
-  )
+): string[] {
+  const byIps = findVpsIdsByIps(allVps, item.ips)
+  if (byIps.length > 0) return byIps
+  const byDns = findVpsIdByDns(allVps, item.fqdn)
+  if (byDns) return [byDns]
+  if (item.cnameTarget) {
+    const byCname = findVpsIdByDns(allVps, item.cnameTarget)
+    if (byCname) return [byCname]
+  }
+  return []
 }
 
-function resolveMatchStatus(vpsId: string | null): 'matched' | 'unmatched' {
-  return vpsId ? 'matched' : 'unmatched'
+function parseStoredIps(raw: string | null | undefined): string[] {
+  if (!raw) return []
+  try {
+    const parsed: unknown = JSON.parse(raw)
+    return Array.isArray(parsed) ? parsed.filter((v): v is string => typeof v === 'string') : []
+  } catch {
+    return []
+  }
 }
 
-function applyInheritedMatch(
-  db: ReturnType<typeof getDb>,
-  rowId: string,
-  vpsId: string,
-  counters: { matched: number; unmatched: number },
-): void {
-  db.update(schema.vpsDomains)
-    .set({ vpsId, matchStatus: 'matched' })
-    .where(eq(schema.vpsDomains.id, rowId))
+type BindingFields = {
+  spaceId: string
+  fqdn: string
+  zoneName: string
+  hostname: string
+  serviceName: string
+  serviceSlug: string
+  cfdmServiceId: number
+  cfdmBindingId: number
+  source: 'cfdm'
+  targetIps: string
+  syncedAt: string
+}
+
+function listByCfdmBindingId(bindingId: number): VpsDomainDto[] {
+  return getDb()
+    .select()
+    .from(schema.vpsDomains)
+    .where(eq(schema.vpsDomains.cfdmBindingId, bindingId))
+    .all()
+}
+
+function deleteAllByCfdmBindingId(bindingId: number): boolean {
+  const result = getDb()
+    .delete(schema.vpsDomains)
+    .where(eq(schema.vpsDomains.cfdmBindingId, bindingId))
     .run()
-  counters.matched++
-  counters.unmatched = Math.max(0, counters.unmatched - 1)
+  return result.changes > 0
+}
+
+/**
+ * Одна unmatched-строка (vpsId NULL) либо N matched-строк — по одной на VPS.
+ * Лишние строки binding удаляются.
+ */
+function reconcileBindingToVpsIds(
+  db: Db,
+  existing: VpsDomainDto[],
+  fields: BindingFields,
+  vpsIds: string[],
+  emptyStatus: 'unmatched' | 'orphaned' = 'unmatched',
+): { upserted: number; deleted: number } {
+  let upserted = 0
+  let deleted = 0
+  const keepIds = new Set<string>()
+
+  if (vpsIds.length === 0) {
+    const reusable = existing.find((r) => !r.vpsId) ?? existing[0]
+    const values = {
+      ...fields,
+      vpsId: null,
+      matchStatus: emptyStatus,
+    }
+    if (reusable) {
+      db.update(schema.vpsDomains)
+        .set(values)
+        .where(eq(schema.vpsDomains.id, reusable.id))
+        .run()
+      keepIds.add(reusable.id)
+      upserted++
+    } else {
+      const id = generateId('vd')
+      db.insert(schema.vpsDomains).values({ id, ...values }).run()
+      keepIds.add(id)
+      upserted++
+    }
+  } else {
+    const byVpsId = new Map<string, VpsDomainDto>()
+    for (const row of existing) {
+      if (row.vpsId && !byVpsId.has(row.vpsId)) byVpsId.set(row.vpsId, row)
+    }
+    const unmatchedPool = existing.filter((r) => !r.vpsId)
+    for (const vpsId of vpsIds) {
+      const values = {
+        ...fields,
+        vpsId,
+        matchStatus: 'matched' as const,
+      }
+      const row = byVpsId.get(vpsId) ?? unmatchedPool.shift()
+      if (row) {
+        db.update(schema.vpsDomains)
+          .set(values)
+          .where(eq(schema.vpsDomains.id, row.id))
+          .run()
+        keepIds.add(row.id)
+      } else {
+        const id = generateId('vd')
+        db.insert(schema.vpsDomains).values({ id, ...values }).run()
+        keepIds.add(id)
+      }
+      upserted++
+    }
+  }
+
+  for (const row of existing) {
+    if (keepIds.has(row.id)) continue
+    db.delete(schema.vpsDomains).where(eq(schema.vpsDomains.id, row.id)).run()
+    deleted++
+  }
+
+  return { upserted, deleted }
+}
+
+function addToSetMap(map: Map<string, Set<string>>, key: string, ids: string[]): void {
+  const set = map.get(key) ?? new Set<string>()
+  for (const id of ids) set.add(id)
+  map.set(key, set)
+}
+
+function addServiceVps(map: Map<number, Set<string>>, serviceId: number, ids: string[]): void {
+  const set = map.get(serviceId) ?? new Set<string>()
+  for (const id of ids) set.add(id)
+  map.set(serviceId, set)
 }
 
 export const vpsDomainsRepository = {
@@ -77,18 +187,11 @@ export const vpsDomainsRepository = {
   },
 
   getByCfdmBindingId(bindingId: number): VpsDomainDto | undefined {
-    return getDb()
-      .select()
-      .from(schema.vpsDomains)
-      .where(eq(schema.vpsDomains.cfdmBindingId, bindingId))
-      .get()
+    return listByCfdmBindingId(bindingId)[0]
   },
 
   deleteByCfdmBindingId(bindingId: number): boolean {
-    const row = this.getByCfdmBindingId(bindingId)
-    if (!row) return false
-    getDb().delete(schema.vpsDomains).where(eq(schema.vpsDomains.id, row.id)).run()
-    return true
+    return deleteAllByCfdmBindingId(bindingId)
   },
 
   rematchAll(): { updated: number } {
@@ -100,41 +203,50 @@ export const vpsDomainsRepository = {
       .from(schema.vpsDomains)
       .where(eq(schema.vpsDomains.spaceId, spaceId))
       .all()
-    let updated = 0
-    const vpsIds = new Set(allVps.map((v) => v.id))
-
+    const vpsIdSet = new Set(allVps.map((v) => v.id))
+    const byBinding = new Map<number, VpsDomainDto[]>()
     for (const row of rows) {
-      let storedIps: string[] = []
-      try {
-        storedIps = row.targetIps ? JSON.parse(row.targetIps) : []
-      } catch {
-        storedIps = []
-      }
+      const group = byBinding.get(row.cfdmBindingId) ?? []
+      group.push(row)
+      byBinding.set(row.cfdmBindingId, group)
+    }
 
-      let vpsId = row.vpsId
-      if (vpsId && !vpsIds.has(vpsId)) {
-        vpsId = null
+    let updated = 0
+    const now = new Date().toISOString()
+    for (const group of byBinding.values()) {
+      const seed = group[0]!
+      const storedIps = parseStoredIps(seed.targetIps)
+      let wanted = storedIps.length > 0 ? findVpsIdsByIps(allVps, storedIps) : []
+      if (wanted.length === 0) {
+        const byDns = findVpsIdByDns(allVps, seed.fqdn)
+        if (byDns) wanted = [byDns]
       }
-      if (!vpsId && storedIps.length > 0) {
-        vpsId = findVpsIdByIps(allVps, storedIps)
-      }
-      if (!vpsId) {
-        vpsId = findVpsIdByDns(allVps, row.fqdn)
-      }
-      const matchStatus =
-        vpsId && vpsIds.has(vpsId)
-          ? 'matched'
-          : row.vpsId && !vpsIds.has(row.vpsId)
-            ? 'orphaned'
-            : resolveMatchStatus(vpsId)
+      wanted = wanted.filter((id) => vpsIdSet.has(id))
 
-      if (vpsId !== row.vpsId || matchStatus !== row.matchStatus) {
-        db.update(schema.vpsDomains)
-          .set({ vpsId, matchStatus })
-          .where(eq(schema.vpsDomains.id, row.id))
-          .run()
-        updated++
+      const hadMissingVps = group.some((r) => r.vpsId && !vpsIdSet.has(r.vpsId))
+      const emptyStatus: 'unmatched' | 'orphaned' =
+        wanted.length === 0 && hadMissingVps ? 'orphaned' : 'unmatched'
+
+      const before = new Set(group.map((r) => `${r.vpsId ?? ''}:${r.matchStatus}`))
+      const fields: BindingFields = {
+        spaceId,
+        fqdn: seed.fqdn,
+        zoneName: seed.zoneName,
+        hostname: seed.hostname,
+        serviceName: seed.serviceName,
+        serviceSlug: seed.serviceSlug,
+        cfdmServiceId: seed.cfdmServiceId,
+        cfdmBindingId: seed.cfdmBindingId,
+        source: 'cfdm',
+        targetIps: seed.targetIps ?? JSON.stringify(storedIps),
+        syncedAt: now,
       }
+      const result = reconcileBindingToVpsIds(db, group, fields, wanted, emptyStatus)
+      const afterRows = listByCfdmBindingId(seed.cfdmBindingId)
+      const after = new Set(afterRows.map((r) => `${r.vpsId ?? ''}:${r.matchStatus}`))
+      const same =
+        before.size === after.size && [...before].every((k) => after.has(k))
+      if (!same) updated += result.upserted + result.deleted
     }
     return { updated }
   },
@@ -152,94 +264,90 @@ export const vpsDomainsRepository = {
     const spaceId = getCurrentSpaceId()
     const allVps = vpsRepository.list()
     const now = new Date().toISOString()
-    let matched = 0
-    let unmatched = 0
     let deleted = 0
     let upserted = 0
     const keptBindingIds = new Set<number>()
-    const fqdnToVpsId = new Map<string, string>()
+    const fqdnToVpsIds = new Map<string, Set<string>>()
     const serviceMatchedVps = new Map<number, Set<string>>()
     const counters = { matched: 0, unmatched: 0 }
 
+    const fieldsOf = (item: CfdmBindingSyncItem): BindingFields => ({
+      spaceId,
+      fqdn: item.fqdn,
+      zoneName: item.zoneName,
+      hostname: item.hostname,
+      serviceName: item.serviceName,
+      serviceSlug: item.serviceSlug,
+      cfdmServiceId: item.serviceId,
+      cfdmBindingId: item.bindingId,
+      source: 'cfdm',
+      targetIps: JSON.stringify(item.ips.filter(isIpLiteral)),
+      syncedAt: now,
+    })
+
     for (const item of items) {
       if (item.deleted) {
-        if (this.deleteByCfdmBindingId(item.bindingId)) deleted++
+        if (deleteAllByCfdmBindingId(item.bindingId)) deleted++
         continue
       }
 
       keptBindingIds.add(item.bindingId)
-
-      const vpsId = findVpsIdForBinding(allVps, item)
-      const matchStatus = resolveMatchStatus(vpsId)
-      if (matchStatus === 'matched') {
+      const vpsIds = findVpsIdsForBinding(allVps, item)
+      if (vpsIds.length > 0) {
         counters.matched++
-        fqdnToVpsId.set(normalizeHost(item.fqdn), vpsId!)
-        const set = serviceMatchedVps.get(item.serviceId) ?? new Set<string>()
-        set.add(vpsId!)
-        serviceMatchedVps.set(item.serviceId, set)
+        addToSetMap(fqdnToVpsIds, normalizeHost(item.fqdn), vpsIds)
+        addServiceVps(serviceMatchedVps, item.serviceId, vpsIds)
       } else {
         counters.unmatched++
       }
 
-      const existing = this.getByCfdmBindingId(item.bindingId)
-      const values = {
-        spaceId,
-        vpsId,
-        fqdn: item.fqdn,
-        zoneName: item.zoneName,
-        hostname: item.hostname,
-        serviceName: item.serviceName,
-        serviceSlug: item.serviceSlug,
-        cfdmServiceId: item.serviceId,
-        cfdmBindingId: item.bindingId,
-        source: 'cfdm' as const,
-        matchStatus,
-        targetIps: JSON.stringify(item.ips.filter(isIpLiteral)),
-        syncedAt: now,
-      }
-
-      if (existing) {
-        db.update(schema.vpsDomains).set(values).where(eq(schema.vpsDomains.id, existing.id)).run()
-      } else {
-        db.insert(schema.vpsDomains).values({ id: generateId('vd'), ...values }).run()
-      }
-      upserted++
+      const result = reconcileBindingToVpsIds(db, listByCfdmBindingId(item.bindingId), fieldsOf(item), vpsIds)
+      upserted += result.upserted
+      deleted += result.deleted
     }
 
-    // CNAME → уже matched FQDN (например imsk → ihome)
     let inherited = true
     while (inherited) {
       inherited = false
       for (const item of items) {
         if (item.deleted || !item.cnameTarget) continue
-        const existing = this.getByCfdmBindingId(item.bindingId)
-        if (!existing || existing.vpsId) continue
-        const parentVpsId = fqdnToVpsId.get(normalizeHost(item.cnameTarget))
-        if (!parentVpsId) continue
-        applyInheritedMatch(db, existing.id, parentVpsId, counters)
-        fqdnToVpsId.set(normalizeHost(item.fqdn), parentVpsId)
-        const set = serviceMatchedVps.get(item.serviceId) ?? new Set<string>()
-        set.add(parentVpsId)
-        serviceMatchedVps.set(item.serviceId, set)
+        const existing = listByCfdmBindingId(item.bindingId)
+        if (existing.some((r) => r.vpsId)) continue
+        const parentIds = fqdnToVpsIds.get(normalizeHost(item.cnameTarget))
+        if (!parentIds || parentIds.size === 0) continue
+        const ids = [...parentIds]
+        const wasUnmatched = existing.length === 0 || existing.every((r) => !r.vpsId)
+        const result = reconcileBindingToVpsIds(db, existing, fieldsOf(item), ids)
+        upserted += result.upserted
+        deleted += result.deleted
+        addToSetMap(fqdnToVpsIds, normalizeHost(item.fqdn), ids)
+        addServiceVps(serviceMatchedVps, item.serviceId, ids)
+        if (wasUnmatched) {
+          counters.matched++
+          counters.unmatched = Math.max(0, counters.unmatched - 1)
+        }
         inherited = true
       }
     }
 
-    // Sibling bindings того же CFDM-сервиса → один уникальный VPS
     for (const item of items) {
       if (item.deleted) continue
-      const existing = this.getByCfdmBindingId(item.bindingId)
-      if (!existing || existing.vpsId) continue
+      const existing = listByCfdmBindingId(item.bindingId)
+      if (existing.some((r) => r.vpsId)) continue
       const matched = serviceMatchedVps.get(item.serviceId)
       if (!matched || matched.size !== 1) continue
       const siblingVpsId = [...matched][0]!
-      applyInheritedMatch(db, existing.id, siblingVpsId, counters)
-      fqdnToVpsId.set(normalizeHost(item.fqdn), siblingVpsId)
+      const wasUnmatched = existing.length === 0 || existing.every((r) => !r.vpsId)
+      const result = reconcileBindingToVpsIds(db, existing, fieldsOf(item), [siblingVpsId])
+      upserted += result.upserted
+      deleted += result.deleted
+      addToSetMap(fqdnToVpsIds, normalizeHost(item.fqdn), [siblingVpsId])
+      if (wasUnmatched) {
+        counters.matched++
+        counters.unmatched = Math.max(0, counters.unmatched - 1)
+      }
     }
 
-    matched = counters.matched
-    unmatched = counters.unmatched
-
     if (opts?.fullSync) {
       const rows = db
         .select()
@@ -259,7 +367,12 @@ export const vpsDomainsRepository = {
       }
     }
 
-    return { matched, unmatched, deleted, upserted }
+    return {
+      matched: counters.matched,
+      unmatched: counters.unmatched,
+      deleted,
+      upserted,
+    }
   },
 
   markOrphanedForMissingBindings(serviceId: number, keptBindingIds: number[]): number {
diff --git a/packages/db/src/runtime-migrate.ts b/packages/db/src/runtime-migrate.ts
index 4eb8ba4..66d4dc6 100644
--- a/packages/db/src/runtime-migrate.ts
+++ b/packages/db/src/runtime-migrate.ts
@@ -258,11 +258,12 @@ const CORE_TABLE_MIGRATIONS: string[] = [
     serviceName TEXT NOT NULL,
     serviceSlug TEXT NOT NULL,
     cfdmServiceId INTEGER NOT NULL,
-    cfdmBindingId INTEGER NOT NULL UNIQUE,
+    cfdmBindingId INTEGER NOT NULL,
     source TEXT NOT NULL DEFAULT 'cfdm',
     matchStatus TEXT NOT NULL DEFAULT 'unmatched',
     targetIps TEXT,
-    syncedAt TEXT NOT NULL
+    syncedAt TEXT NOT NULL,
+    UNIQUE(cfdmBindingId, vpsId)
   )`,
   `CREATE TABLE IF NOT EXISTS vps_grants (
     id TEXT PRIMARY KEY,
@@ -462,6 +463,54 @@ function backfillSpaceIds(sqlite: Database.Database): void {
   }
 }
 
+function rebuildVpsDomainsBindingUnique(sqlite: Database.Database): void {
+  const row = sqlite
+    .prepare(`SELECT sql FROM sqlite_master WHERE type = 'table' AND name = 'vps_domains'`)
+    .get() as { sql?: string } | undefined
+  const sql = row?.sql ?? ''
+  if (!sql) return
+  if (sql.includes('UNIQUE(cfdmBindingId, vpsId)') || sql.includes('UNIQUE (cfdmBindingId, vpsId)')) {
+    return
+  }
+
+  sqlite.exec('PRAGMA foreign_keys = OFF')
+  sqlite.exec('BEGIN')
+  try {
+    sqlite.exec(`CREATE TABLE vps_domains_new (
+      id TEXT PRIMARY KEY,
+      spaceId TEXT NOT NULL DEFAULT 'space-main',
+      vpsId TEXT REFERENCES vps(id) ON DELETE SET NULL,
+      fqdn TEXT NOT NULL,
+      zoneName TEXT NOT NULL,
+      hostname TEXT NOT NULL,
+      serviceName TEXT NOT NULL,
+      serviceSlug TEXT NOT NULL,
+      cfdmServiceId INTEGER NOT NULL,
+      cfdmBindingId INTEGER NOT NULL,
+      source TEXT NOT NULL DEFAULT 'cfdm',
+      matchStatus TEXT NOT NULL DEFAULT 'unmatched',
+      targetIps TEXT,
+      syncedAt TEXT NOT NULL,
+      UNIQUE(cfdmBindingId, vpsId)
+    )`)
+    sqlite.exec(`INSERT INTO vps_domains_new (
+      id, spaceId, vpsId, fqdn, zoneName, hostname, serviceName, serviceSlug,
+      cfdmServiceId, cfdmBindingId, source, matchStatus, targetIps, syncedAt
+    ) SELECT
+      id, COALESCE(spaceId, 'space-main'), vpsId, fqdn, zoneName, hostname, serviceName, serviceSlug,
+      cfdmServiceId, cfdmBindingId, source, matchStatus, targetIps, syncedAt
+    FROM vps_domains`)
+    sqlite.exec('DROP TABLE vps_domains')
+    sqlite.exec('ALTER TABLE vps_domains_new RENAME TO vps_domains')
+    sqlite.exec('COMMIT')
+  } catch (err) {
+    sqlite.exec('ROLLBACK')
+    throw err
+  } finally {
+    sqlite.exec('PRAGMA foreign_keys = ON')
+  }
+}
+
 let migrated = false
 
 export function resetRuntimeMigrate(): void {
@@ -480,6 +529,7 @@ export function ensureRuntimeSchema(sqlite: Database.Database): void {
       /* column exists */
     }
   }
+  rebuildVpsDomainsBindingUnique(sqlite)
   ensureMainSpace(sqlite)
   backfillSpaceIds(sqlite)
   migrated = true
diff --git a/packages/db/src/schema/index.ts b/packages/db/src/schema/index.ts
index 520deda..530c01d 100644
--- a/packages/db/src/schema/index.ts
+++ b/packages/db/src/schema/index.ts
@@ -213,25 +213,31 @@ export const settings = sqliteTable('settings', {
   showQuickActions: integer('showQuickActions'),
 })
 
-export const vpsDomains = sqliteTable('vps_domains', {
-  id: text('id').primaryKey(),
-  spaceId: text('spaceId')
-    .notNull()
-    .default('space-main')
-    .references(() => spaces.id),
-  vpsId: text('vpsId').references(() => vps.id, { onDelete: 'set null' }),
-  fqdn: text('fqdn').notNull(),
-  zoneName: text('zoneName').notNull(),
-  hostname: text('hostname').notNull(),
-  serviceName: text('serviceName').notNull(),
-  serviceSlug: text('serviceSlug').notNull(),
-  cfdmServiceId: integer('cfdmServiceId').notNull(),
-  cfdmBindingId: integer('cfdmBindingId').notNull(),
-  source: text('source').notNull().default('cfdm'),
-  matchStatus: text('matchStatus').notNull().default('unmatched'),
-  targetIps: text('targetIps'),
-  syncedAt: text('syncedAt').notNull(),
-})
+export const vpsDomains = sqliteTable(
+  'vps_domains',
+  {
+    id: text('id').primaryKey(),
+    spaceId: text('spaceId')
+      .notNull()
+      .default('space-main')
+      .references(() => spaces.id),
+    vpsId: text('vpsId').references(() => vps.id, { onDelete: 'set null' }),
+    fqdn: text('fqdn').notNull(),
+    zoneName: text('zoneName').notNull(),
+    hostname: text('hostname').notNull(),
+    serviceName: text('serviceName').notNull(),
+    serviceSlug: text('serviceSlug').notNull(),
+    cfdmServiceId: integer('cfdmServiceId').notNull(),
+    cfdmBindingId: integer('cfdmBindingId').notNull(),
+    source: text('source').notNull().default('cfdm'),
+    matchStatus: text('matchStatus').notNull().default('unmatched'),
+    targetIps: text('targetIps'),
+    syncedAt: text('syncedAt').notNull(),
+  },
+  (t) => ({
+    bindingVpsUniq: uniqueIndex('vps_domains_binding_vps').on(t.cfdmBindingId, t.vpsId),
+  }),
+)
 
 export const notificationLog = sqliteTable('notification_log', {
   id: text('id').primaryKey(),
diff --git a/packages/db/src/test-setup.ts b/packages/db/src/test-setup.ts
index 0d43393..ef7c5b1 100644
--- a/packages/db/src/test-setup.ts
+++ b/packages/db/src/test-setup.ts
@@ -225,11 +225,12 @@ CREATE TABLE IF NOT EXISTS vps_domains (
   serviceName TEXT NOT NULL,
   serviceSlug TEXT NOT NULL,
   cfdmServiceId INTEGER NOT NULL,
-  cfdmBindingId INTEGER NOT NULL UNIQUE,
+  cfdmBindingId INTEGER NOT NULL,
   source TEXT NOT NULL DEFAULT 'cfdm',
   matchStatus TEXT NOT NULL DEFAULT 'unmatched',
   targetIps TEXT,
   syncedAt TEXT NOT NULL,
+  UNIQUE(cfdmBindingId, vpsId),
   FOREIGN KEY (vpsId) REFERENCES vps(id) ON DELETE SET NULL
 );