fix(services): разрешить несколько доп. FQDN на IP включая wildcard

У IP был один extra FQDN; wildcard вида *.mdns.shnt.top не матчился с именем из Cloudflare.

Co-authored-by: Cursor <[email protected]>

apps/web/src/components/reui-kit/service-address-block.tsx

@@ -16,10 +16,13 @@ import { parseFqdn } from '@/lib/parse-fqdn'
 import {
   addAddressNode,
   addCommonFqdn,
+  addExtraFqdn,
   addressHasFqdn,
   removeAddressNode,
   removeCommonFqdn,
+  removeExtraFqdn,
   updateCommonFqdn,
+  updateExtraFqdn,
   type AddressBlockState,
 } from '@/lib/service-address'
 import { Button } from '@cfdm/ui/components/button'
@@ -67,7 +70,7 @@ function ZoneAddon({
 }
 
 /**
- * Единый блок адресов сервиса: список общих FQDN на весь пул + IP с доп. доменом.
+ * Единый блок адресов сервиса: список общих FQDN на весь пул + IP с доп. доменами.
  * Preview: https://reui.io/preview/base/settings-3
  * Preview: https://reui.io/preview/base/list-9
  * Preview: https://reui.io/preview/base/form-7
@@ -88,6 +91,8 @@ export function ServiceAddressBlock({
   const [ipInvalid, setIpInvalid] = useState(false)
   const [pendingFqdn, setPendingFqdn] = useState('')
   const [fqdnInvalid, setFqdnInvalid] = useState(false)
+  const [pendingExtraByIp, setPendingExtraByIp] = useState<Record<string, string>>({})
+  const [extraInvalidByIp, setExtraInvalidByIp] = useState<Record<string, boolean>>({})
 
   const pool = value.nodes.map((node) => node.ip)
   const pendingIpTrimmed = pendingIp.trim()
@@ -141,13 +146,26 @@ export function ServiceAddressBlock({
     }
   }
 
-  function handleNodeFqdn(ip: string, extraFqdn: string) {
+  function tryAddExtra(ip: string, raw: string) {
-    onChange({
+    const trimmed = raw.trim()
-      ...value,
+    if (!trimmed) {
-      nodes: value.nodes.map((node) =>
+      setExtraInvalidByIp((current) => ({ ...current, [ip]: false }))
-        node.ip === ip ? { ...node, extraFqdn } : node,
+      return
-      ),
+    }
-    })
+    if (addressHasFqdn(value, trimmed)) {
+      setExtraInvalidByIp((current) => ({ ...current, [ip]: true }))
+      return
+    }
+    onChange(addExtraFqdn(value, ip, trimmed))
+    setPendingExtraByIp((current) => ({ ...current, [ip]: '' }))
+    setExtraInvalidByIp((current) => ({ ...current, [ip]: false }))
+  }
+
+  function handleExtraKeyDown(ip: string, event: KeyboardEvent<HTMLInputElement>) {
+    if (event.key === 'Enter') {
+      event.preventDefault()
+      tryAddExtra(ip, pendingExtraByIp[ip] ?? '')
+    }
   }
 
   return (
@@ -156,7 +174,7 @@ export function ServiceAddressBlock({
         <FrameHeader className="px-0 pt-0">
           <FrameTitle>Адреса</FrameTitle>
           <FrameDescription>
-            Общие FQDN — на весь пул · у IP свой доп. домен
+            Общие FQDN — на весь пул · у IP свои доп. домены
           </FrameDescription>
         </FrameHeader>
         <Field>
@@ -224,7 +242,7 @@ export function ServiceAddressBlock({
           <EmptyState
             icon={ServerIcon}
             title="Добавьте IP пула"
-            description="IPv4 сервиса. Для каждого адреса можно указать доп. FQDN."
+            description="IPv4 сервиса. Для каждого адреса можно указать несколько доп. FQDN, в том числе wildcard."
             stackedIcon={false}
             centered={false}
           />
@@ -265,27 +283,98 @@ export function ServiceAddressBlock({
                     </div>
                     <Field className="gap-1.5">
                       <FieldLabel
-                        htmlFor={`service-ip-extra-${node.ip}`}
+                        htmlFor={`service-ip-extra-add-${node.ip}`}
                         className="text-muted-foreground text-xs"
                       >
                         Доп. FQDN
                       </FieldLabel>
-                      <InputGroup>
+                      <div className="flex w-full flex-col gap-2">
-                        <InputGroupInput
+                        {node.extraFqdns.map((fqdn, index) => (
-                          id={`service-ip-extra-${node.ip}`}
+                          <InputGroup key={`extra-fqdn-${node.ip}-${index}`}>
-                          className="font-mono"
+                            <InputGroupInput
-                          value={node.extraFqdn}
+                              id={`service-ip-extra-${node.ip}-${index}`}
-                          placeholder={
+                              className="font-mono"
-                            zoneHints[0]
+                              value={fqdn}
-                              ? `необязательно · spb.${zoneHints[0]}`
+                              placeholder={
-                              : 'необязательно · spb.example.com'
+                                zoneHints[0]
-                          }
+                                  ? `*.mdns.${zoneHints[0]}`
-                          onChange={(event) =>
+                                  : '*.mdns.example.com'
-                            handleNodeFqdn(node.ip, event.target.value)
+                              }
-                          }
+                              onChange={(event) =>
-                        />
+                                onChange(
-                        <ZoneAddon fqdn={node.extraFqdn} zoneHints={zoneHints} />
+                                  updateExtraFqdn(
-                      </InputGroup>
+                                    value,
+                                    node.ip,
+                                    index,
+                                    event.target.value,
+                                  ),
+                                )
+                              }
+                            />
+                            <ZoneAddon
+                              fqdn={fqdn}
+                              zoneHints={zoneHints}
+                              trailing={
+                                <InputGroupButton
+                                  size="icon-xs"
+                                  aria-label={`Удалить ${fqdn || 'FQDN'}`}
+                                  onClick={() =>
+                                    onChange(removeExtraFqdn(value, node.ip, index))
+                                  }
+                                >
+                                  <Trash2Icon />
+                                </InputGroupButton>
+                              }
+                            />
+                          </InputGroup>
+                        ))}
+                        <InputGroup>
+                          <InputGroupInput
+                            id={`service-ip-extra-add-${node.ip}`}
+                            className="font-mono"
+                            value={pendingExtraByIp[node.ip] ?? ''}
+                            placeholder={
+                              zoneHints[0]
+                                ? `необязательно · *.mdns.${zoneHints[0]}`
+                                : 'необязательно · *.mdns.example.com'
+                            }
+                            aria-invalid={
+                              extraInvalidByIp[node.ip] &&
+                              (pendingExtraByIp[node.ip] ?? '').trim().length > 0
+                                ? true
+                                : undefined
+                            }
+                            onChange={(event) => {
+                              setPendingExtraByIp((current) => ({
+                                ...current,
+                                [node.ip]: event.target.value,
+                              }))
+                              setExtraInvalidByIp((current) => ({
+                                ...current,
+                                [node.ip]: false,
+                              }))
+                            }}
+                            onKeyDown={(event) => handleExtraKeyDown(node.ip, event)}
+                            onBlur={() =>
+                              tryAddExtra(node.ip, pendingExtraByIp[node.ip] ?? '')
+                            }
+                          />
+                          <ZoneAddon
+                            fqdn={pendingExtraByIp[node.ip] ?? ''}
+                            zoneHints={zoneHints}
+                            trailing={
+                              <InputGroupButton
+                                size="sm"
+                                onClick={() =>
+                                  tryAddExtra(node.ip, pendingExtraByIp[node.ip] ?? '')
+                                }
+                              >
+                                Добавить
+                              </InputGroupButton>
+                            }
+                          />
+                        </InputGroup>
+                      </div>
                     </Field>
                   </ItemContent>
                 </Item>

apps/web/src/components/service-edit-sheet.tsx

@@ -219,8 +219,8 @@ export function ServiceEditSheet({
         <SheetHeader className="shrink-0 border-b pb-4">
           <SheetTitle>{isCreate ? 'Новый сервис' : 'Редактирование сервиса'}</SheetTitle>
           <SheetDescription>
-            Общие FQDN на весь пул IP. У каждого адреса можно указать свой доп.
+            Общие FQDN на весь пул IP. У каждого адреса можно указать несколько доп.
-            FQDN.
+            FQDN, в том числе wildcard.
           </SheetDescription>
         </SheetHeader>
 

apps/web/src/lib/service-address.test.ts

@@ -4,6 +4,7 @@ import {
   DEFAULT_BINDING_HEALTH,
   addAddressNode,
   addCommonFqdn,
+  addExtraFqdn,
   emptyAddressBlock,
   emptyBindingDraft,
   hydrateAddressBlock,
@@ -45,8 +46,8 @@ describe('hydrateAddressBlock', () => {
 
     expect(state.commonFqdns).toEqual(['rutg.rkns.top'])
     expect(state.nodes).toEqual([
-      { ip: '93.115.203.183', extraFqdn: 'msk.rutg.rkns.top' },
+      { ip: '93.115.203.183', extraFqdns: ['msk.rutg.rkns.top'] },
-      { ip: '185.244.181.61', extraFqdn: '' },
+      { ip: '185.244.181.61', extraFqdns: [] },
     ])
     expect(state.preservedBindings).toEqual([])
   })
@@ -66,7 +67,7 @@ describe('hydrateAddressBlock', () => {
     const state = hydrateAddressBlock(drafts, ['1.1.1.1', '2.2.2.2'])
 
     expect(state.commonFqdns).toEqual(['rutg.rkns.top', 'both.rkns.top'])
-    expect(state.nodes.every((node) => node.extraFqdn === '')).toBe(true)
+    expect(state.nodes.every((node) => node.extraFqdns.length === 0)).toBe(true)
     expect(state.preservedBindings.map((item) => item.fqdn)).toEqual(['alias.rkns.top'])
   })
 
@@ -78,7 +79,7 @@ describe('hydrateAddressBlock', () => {
 
     const state = hydrateAddressBlock(drafts, ['10.0.0.1'])
 
-    expect(state.nodes).toEqual([{ ip: '10.0.0.1', extraFqdn: '' }])
+    expect(state.nodes).toEqual([{ ip: '10.0.0.1', extraFqdns: [] }])
     expect(state.commonFqdns).toEqual(['gw.example.com'])
     expect(state.preservedBindings).toHaveLength(1)
     expect(state.preservedBindings[0]?.fqdn).toBe('edge.example.com')
@@ -94,7 +95,26 @@ describe('hydrateAddressBlock', () => {
 
     expect(state.commonFqdns).toEqual(['dns.shnt.top'])
     expect(state.nodes).toEqual([
-      { ip: '130.49.213.176', extraFqdn: 'ndns.shnt.top' },
+      { ip: '130.49.213.176', extraFqdns: ['ndns.shnt.top'] },
+    ])
+    expect(state.preservedBindings).toEqual([])
+  })
+
+  it('кладёт несколько extra A на один IP в extraFqdns, включая wildcard', () => {
+    const drafts = [
+      aRecord('dns.shnt.top', ['130.49.213.176']),
+      aRecord('ndns.shnt.top', ['130.49.213.176']),
+      aRecord('*.mdns.shnt.top', ['130.49.213.176']),
+    ]
+
+    const state = hydrateAddressBlock(drafts, ['130.49.213.176'])
+
+    expect(state.commonFqdns).toEqual(['dns.shnt.top'])
+    expect(state.nodes).toEqual([
+      {
+        ip: '130.49.213.176',
+        extraFqdns: ['ndns.shnt.top', '*.mdns.shnt.top'],
+      },
     ])
     expect(state.preservedBindings).toEqual([])
   })
@@ -116,7 +136,7 @@ describe('hydrateAddressBlock', () => {
       '130.49.213.153': 2,
       '93.115.203.183': 1,
     })
-    expect(state.nodes[0]?.extraFqdn).toBe('nsgt.rkns.top')
+    expect(state.nodes[0]?.extraFqdns).toEqual(['nsgt.rkns.top'])
   })
 })
 
@@ -167,7 +187,7 @@ describe('toDomainsPayload', () => {
     const first = hydrateAddressBlock(drafts, ['130.49.213.176'])
     expect(first.commonFqdns).toEqual(['dns.shnt.top'])
     expect(first.nodes).toEqual([
-      { ip: '130.49.213.176', extraFqdn: 'ndns.shnt.top' },
+      { ip: '130.49.213.176', extraFqdns: ['ndns.shnt.top'] },
     ])
     const rebound = toAddressBindings(first, primaryMeta)
     const second = hydrateAddressBlock(rebound, ['130.49.213.176'])
@@ -176,6 +196,22 @@ describe('toDomainsPayload', () => {
     expect(second.nodes).toEqual(first.nodes)
     expect(second.preservedBindings).toEqual([])
   })
+
+  it('круг hydrate → payload → hydrate сохраняет несколько extra и wildcard при одном IP', () => {
+    const drafts = [
+      aRecord('dns.shnt.top', ['130.49.213.176']),
+      aRecord('ndns.shnt.top', ['130.49.213.176']),
+      aRecord('*.mdns.shnt.top', ['130.49.213.176']),
+    ]
+    const first = hydrateAddressBlock(drafts, ['130.49.213.176'])
+    expect(first.nodes[0]?.extraFqdns).toEqual(['ndns.shnt.top', '*.mdns.shnt.top'])
+    const rebound = toAddressBindings(first, primaryMeta)
+    const second = hydrateAddressBlock(rebound, ['130.49.213.176'])
+
+    expect(second.commonFqdns).toEqual(first.commonFqdns)
+    expect(second.nodes).toEqual(first.nodes)
+    expect(second.preservedBindings).toEqual([])
+  })
 })
 
 describe('removeAddressNode', () => {
@@ -191,7 +227,7 @@ describe('removeAddressNode', () => {
 
     const next = removeAddressNode(state, '10.0.0.1')
 
-    expect(next.nodes).toEqual([{ ip: '10.0.0.2', extraFqdn: '' }])
+    expect(next.nodes).toEqual([{ ip: '10.0.0.2', extraFqdns: [] }])
     expect(next.preservedBindings).toHaveLength(1)
     expect(next.preservedBindings[0]?.target_ips).toEqual(['9.9.9.9'])
   })
@@ -200,7 +236,7 @@ describe('removeAddressNode', () => {
 describe('addAddressNode / addCommonFqdn', () => {
   it('не добавляет дубликат IP', () => {
     const withIp = addAddressNode(
-      { ...emptyAddressBlock(), nodes: [{ ip: '1.1.1.1', extraFqdn: '' }] },
+      { ...emptyAddressBlock(), nodes: [{ ip: '1.1.1.1', extraFqdns: [] }] },
       '1.1.1.1',
     )
     expect(withIp.nodes).toHaveLength(1)
@@ -213,15 +249,22 @@ describe('addAddressNode / addCommonFqdn', () => {
     )
     expect(state.commonFqdns).toEqual(['gt.rkns.top'])
   })
+
+  it('добавляет extra FQDN к IP и отклоняет дубликат', () => {
+    const withIp = addAddressNode(emptyAddressBlock(), '1.1.1.1')
+    const withExtra = addExtraFqdn(withIp, '1.1.1.1', 'mdns.shnt.top')
+    expect(withExtra.nodes[0]?.extraFqdns).toEqual(['mdns.shnt.top'])
+    expect(addExtraFqdn(withExtra, '1.1.1.1', 'MDNS.shnt.top')).toBe(withExtra)
+  })
 })
 
 describe('patchAddressIpMeta', () => {
-  it('меняет вес одного IP и не трогает extraFqdn', () => {
+  it('меняет вес одного IP и не трогает extraFqdns', () => {
     const state = {
       ...addAddressNode(addAddressNode(emptyAddressBlock(), '1.1.1.1'), '2.2.2.2'),
       nodes: [
-        { ip: '1.1.1.1', extraFqdn: 'msk.example.com' },
+        { ip: '1.1.1.1', extraFqdns: ['msk.example.com'] },
-        { ip: '2.2.2.2', extraFqdn: '' },
+        { ip: '2.2.2.2', extraFqdns: [] },
       ],
     }
     const next = patchAddressIpMeta(state, '1.1.1.1', { weight: 7 })
@@ -257,7 +300,7 @@ describe('CNAME / preservedBindings', () => {
       cname,
     ]
     const state = hydrateAddressBlock(drafts, ['1.1.1.1', '2.2.2.2'])
-    expect(state.nodes[0]?.extraFqdn).toBe('msk.rkns.top')
+    expect(state.nodes[0]?.extraFqdns).toEqual(['msk.rkns.top'])
     expect(state.preservedBindings).toHaveLength(1)
 
     const payload = toDomainsPayload(state, primaryMeta)

apps/web/src/lib/service-address.ts

@@ -33,7 +33,7 @@ export interface ServiceBindingDraft {
 
 export interface AddressNode {
   ip: string
-  extraFqdn: string
+  extraFqdns: string[]
 }
 
 export interface AddressBlockState {
@@ -178,8 +178,7 @@ export function hydrateAddressBlock(
       : uniqueIps(...(multiIpTargets.length > 0 ? multiIpTargets : allAIps))
   const poolSet = new Set(ips)
   const commonFqdns: string[] = []
-  const claimed = new Set<string>()
+  const extraByIp = new Map<string, string[]>()
-  const extraByIp = new Map<string, string>()
   const preservedBindings: ServiceBindingDraft[] = []
   let weights: Record<string, number> = {}
   let priorities: Record<string, number> = {}
@@ -188,6 +187,12 @@ export function hydrateAddressBlock(
     drafts.filter((draft) => isFullPoolA(draft, ips)).length > 1
   let assignedFirstSinglePoolCommon = false
 
+  function pushExtra(ip: string, fqdn: string) {
+    const list = extraByIp.get(ip) ?? []
+    list.push(fqdn)
+    extraByIp.set(ip, list)
+  }
+
   for (const draft of drafts) {
     const fqdn = draft.fqdn.trim()
     if (splitSinglePool && isFullPoolA(draft, ips)) {
@@ -199,15 +204,10 @@ export function hydrateAddressBlock(
         continue
       }
       const ip = draft.target_ips[0]?.trim() ?? ''
-      if (ip && poolSet.has(ip) && fqdn && !claimed.has(ip)) {
+      if (ip && poolSet.has(ip) && fqdn) {
-        claimed.add(ip)
+        pushExtra(ip, draft.fqdn)
-        extraByIp.set(ip, draft.fqdn)
         continue
       }
-      const overflow = takeAsCommon(draft, fqdn, commonFqdns, weights, priorities)
-      weights = overflow.weights
-      priorities = overflow.priorities
-      continue
     }
     if (isFullPoolA(draft, ips)) {
       const next = takeAsCommon(draft, fqdn, commonFqdns, weights, priorities)
@@ -217,9 +217,8 @@ export function hydrateAddressBlock(
     }
     if (draft.record_type === 'A' && draft.target_ips.length === 1) {
       const ip = draft.target_ips[0]?.trim() ?? ''
-      if (ip && poolSet.has(ip) && fqdn && !claimed.has(ip)) {
+      if (ip && poolSet.has(ip) && fqdn) {
-        claimed.add(ip)
+        pushExtra(ip, draft.fqdn)
-        extraByIp.set(ip, draft.fqdn)
         continue
       }
     }
@@ -230,7 +229,7 @@ export function hydrateAddressBlock(
     commonFqdns,
     nodes: ips.map((ip) => ({
       ip,
-      extraFqdn: extraByIp.get(ip) ?? '',
+      extraFqdns: extraByIp.get(ip) ?? [],
     })),
     preservedBindings,
     target_ip_weights: weights,
@@ -275,7 +274,7 @@ export function addAddressNode(state: AddressBlockState, ip: string): AddressBlo
   }
   return {
     ...state,
-    nodes: [...state.nodes, { ip: trimmed, extraFqdn: '' }],
+    nodes: [...state.nodes, { ip: trimmed, extraFqdns: [] }],
     target_ip_weights: { ...state.target_ip_weights, [trimmed]: 1 },
     target_ip_priorities: { ...state.target_ip_priorities, [trimmed]: 1 },
   }
@@ -316,7 +315,9 @@ export function addressHasFqdn(state: AddressBlockState, fqdn: string): boolean
   const key = fqdnKey(fqdn)
   if (!key) return false
   if (state.commonFqdns.some((item) => fqdnKey(item) === key)) return true
-  if (state.nodes.some((node) => fqdnKey(node.extraFqdn) === key)) return true
+  if (state.nodes.some((node) => node.extraFqdns.some((item) => fqdnKey(item) === key))) {
+    return true
+  }
   return false
 }
 
@@ -344,6 +345,56 @@ export function updateCommonFqdn(
   }
 }
 
+export function addExtraFqdn(
+  state: AddressBlockState,
+  ip: string,
+  fqdn: string,
+): AddressBlockState {
+  const trimmed = fqdn.trim()
+  if (!trimmed || addressHasFqdn(state, trimmed)) return state
+  if (!state.nodes.some((node) => node.ip === ip)) return state
+  return {
+    ...state,
+    nodes: state.nodes.map((node) =>
+      node.ip === ip ? { ...node, extraFqdns: [...node.extraFqdns, trimmed] } : node,
+    ),
+  }
+}
+
+export function removeExtraFqdn(
+  state: AddressBlockState,
+  ip: string,
+  index: number,
+): AddressBlockState {
+  return {
+    ...state,
+    nodes: state.nodes.map((node) =>
+      node.ip === ip
+        ? { ...node, extraFqdns: node.extraFqdns.filter((_, i) => i !== index) }
+        : node,
+    ),
+  }
+}
+
+export function updateExtraFqdn(
+  state: AddressBlockState,
+  ip: string,
+  index: number,
+  fqdn: string,
+): AddressBlockState {
+  return {
+    ...state,
+    nodes: state.nodes.map((node) =>
+      node.ip === ip
+        ? {
+            ...node,
+            extraFqdns: node.extraFqdns.map((item, i) => (i === index ? fqdn : item)),
+          }
+        : node,
+    ),
+  }
+}
+
 export function toAddressBindings(
   state: AddressBlockState,
   primary: AddressPrimaryMeta,
@@ -373,18 +424,20 @@ export function toAddressBindings(
   }
 
   for (const node of state.nodes) {
-    const extraFqdn = node.extraFqdn.trim()
+    for (const raw of node.extraFqdns) {
-    if (!extraFqdn) continue
+      const extraFqdn = raw.trim()
-    drafts.push({
+      if (!extraFqdn) continue
-      fqdn: extraFqdn,
+      drafts.push({
-      record_type: 'A',
+        fqdn: extraFqdn,
-      target_ips: [node.ip],
+        record_type: 'A',
-      target_cname: '',
+        target_ips: [node.ip],
-      lb_mode: primary.lb_mode,
+        target_cname: '',
-      health: { ...primary.health },
+        lb_mode: primary.lb_mode,
-      target_ip_weights: { [node.ip]: weights[node.ip] ?? 1 },
+        health: { ...primary.health },
-      target_ip_priorities: { [node.ip]: priorities[node.ip] ?? 1 },
+        target_ip_weights: { [node.ip]: weights[node.ip] ?? 1 },
-    })
+        target_ip_priorities: { [node.ip]: priorities[node.ip] ?? 1 },
+      })
+    }
   }
 
   drafts.push(...state.preservedBindings)

packages/shared/src/subdomain.ts

@@ -19,6 +19,7 @@ export function dnsNameToSubdomainLabel(
     return prefix || "@";
   }
 
+  if (rn.startsWith("*.")) return rn;
   if (!rn.includes(".")) return rn;
 
   return null;

packages/shared/test/subdomain.test.ts

@@ -23,6 +23,13 @@ describe("normalizeDnsRecordName", () => {
     expect(normalizeDnsRecordName("@", ZONE)).toBe("rkns.top");
     expect(normalizeDnsRecordName("rkns.top", ZONE)).toBe("rkns.top");
   });
+
+  it("normalizes nested wildcard relative name to FQDN", () => {
+    expect(normalizeDnsRecordName("*.mdns", ZONE)).toBe("*.mdns.rkns.top");
+    expect(normalizeDnsRecordName("*.mdns.rkns.top", ZONE)).toBe(
+      "*.mdns.rkns.top",
+    );
+  });
 });
 
 describe("dnsRecordNamesMatch", () => {
@@ -34,10 +41,19 @@ describe("dnsRecordNamesMatch", () => {
   it("does not match different hosts", () => {
     expect(dnsRecordNamesMatch("de", "mhome.rkns.top", ZONE)).toBe(false);
   });
+
+  it("matches nested wildcard relative name and FQDN", () => {
+    expect(dnsRecordNamesMatch("*.mdns", "*.mdns.rkns.top", ZONE)).toBe(true);
+  });
 });
 
 describe("dnsNameToSubdomainLabel", () => {
   it("extracts label from FQDN", () => {
     expect(dnsNameToSubdomainLabel("de.rkns.top", ZONE)).toBe("de");
   });
+
+  it("keeps nested wildcard relative names", () => {
+    expect(dnsNameToSubdomainLabel("*.mdns", ZONE)).toBe("*.mdns");
+    expect(dnsNameToSubdomainLabel("*.mdns.rkns.top", ZONE)).toBe("*.mdns");
+  });
 });