From 0d4038722b9e4aa953753149aa077ee3eac09cb6 Mon Sep 17 00:00:00 2001
From: Samson Keung <keungsi@amazon.com>
Date: Thu, 20 Jun 2024 18:51:26 -0700
Subject: [PATCH] Revert "fix: route53 CrossAccountZoneDelegationRecord fails
 at deployment time with imported `delegatedZone` (#30440)"

This reverts commit a3d9b10ad9036486961f74e852493aa9684cfdb4.
---
 packages/aws-cdk-lib/aws-route53/README.md    |  2 +-
 .../aws-cdk-lib/aws-route53/lib/record-set.ts |  4 ----
 .../aws-route53/test/record-set.test.ts       | 21 -------------------
 3 files changed, 1 insertion(+), 26 deletions(-)

diff --git a/packages/aws-cdk-lib/aws-route53/README.md b/packages/aws-cdk-lib/aws-route53/README.md
index 6fd275a2eb478..1c26a12541242 100644
--- a/packages/aws-cdk-lib/aws-route53/README.md
+++ b/packages/aws-cdk-lib/aws-route53/README.md
@@ -313,7 +313,7 @@ const delegationRole = iam.Role.fromRoleArn(this, 'DelegationRole', delegationRo
 
 // create the record
 new route53.CrossAccountZoneDelegationRecord(this, 'delegate', {
-  delegatedZone: subZone, // Note that an imported HostedZone is not supported as Name Servers info will not be available
+  delegatedZone: subZone,
   parentHostedZoneName: 'someexample.com', // or you can use parentHostedZoneId
   delegationRole,
 });
diff --git a/packages/aws-cdk-lib/aws-route53/lib/record-set.ts b/packages/aws-cdk-lib/aws-route53/lib/record-set.ts
index 3ee6f4aee669c..6706443b1f260 100644
--- a/packages/aws-cdk-lib/aws-route53/lib/record-set.ts
+++ b/packages/aws-cdk-lib/aws-route53/lib/record-set.ts
@@ -929,10 +929,6 @@ export class CrossAccountZoneDelegationRecord extends Construct {
       throw Error('Only one of parentHostedZoneName and parentHostedZoneId is supported');
     }
 
-    if (!props.delegatedZone.hostedZoneNameServers) {
-      throw Error(`Not able to retrieve Name Servers for ${props.delegatedZone.zoneName} due to it being imported.`);
-    }
-
     const provider = CrossAccountZoneDelegationProvider.getOrCreateProvider(this, CROSS_ACCOUNT_ZONE_DELEGATION_RESOURCE_TYPE);
 
     const role = iam.Role.fromRoleArn(this, 'cross-account-zone-delegation-handler-role', provider.roleArn);
diff --git a/packages/aws-cdk-lib/aws-route53/test/record-set.test.ts b/packages/aws-cdk-lib/aws-route53/test/record-set.test.ts
index 9974237f6292c..20abd698ee68b 100644
--- a/packages/aws-cdk-lib/aws-route53/test/record-set.test.ts
+++ b/packages/aws-cdk-lib/aws-route53/test/record-set.test.ts
@@ -893,27 +893,6 @@ describe('record set', () => {
     });
   });
 
-  test('CrossAccountZoneDelegationRecord should throw if delegatedZone is imported', () => {
-    // GIVEN
-    const stack = new Stack();
-    const parentZone = new route53.PublicHostedZone(stack, 'ParentHostedZone', {
-      zoneName: 'myzone.com',
-    });
-
-    // WHEN
-    const childZone = route53.PublicHostedZone.fromPublicHostedZoneAttributes(stack, 'ChildHostedZone', {
-      hostedZoneId: 'fake-id',
-      zoneName: 'fake-name',
-    });
-
-    //THEN
-    expect(() => new route53.CrossAccountZoneDelegationRecord(stack, 'Delegation', {
-      delegatedZone: childZone,
-      parentHostedZoneId: parentZone.hostedZoneId,
-      delegationRole: parentZone.crossAccountZoneDelegationRole!,
-    })).toThrow(/Not able to retrieve Name Servers for fake-name due to it being imported./);
-  });
-
   testDeprecated('Cross account zone delegation record with parentHostedZoneName', () => {
     // GIVEN
     const stack = new Stack();