diff --git a/README.md b/README.md
index bec52e7..d922c5a 100644
--- a/README.md
+++ b/README.md
@@ -49,6 +49,7 @@ Change logs are auto-generated with commitizen.
 | <a name="input_tags"></a> [tags](#input\_tags) | AWS Tags to apply to appropriate resources | `map(string)` | `{}` | no |
 | <a name="input_vpc_domain_name"></a> [vpc\_domain\_name](#input\_vpc\_domain\_name) | The DNS domain name of the vpc the cluster is in. | `string` | n/a | yes |
 | <a name="input_vpc_name"></a> [vpc\_name](#input\_vpc\_name) | Define the VPC name that will be used by this cluster | `string` | n/a | yes |
+| <a name="input_zone_ids"></a> [zone\_ids](#input\_zone\_ids) | zone ids to mock module call | `list(string)` | <pre>[<br>  ""<br>]</pre> | no |
 
 ## Outputs
 
diff --git a/main.tf b/main.tf
index d93fe30..1ab1f06 100644
--- a/main.tf
+++ b/main.tf
@@ -12,6 +12,7 @@ locals {
   region                     = var.region
   is_shared_vpc              = data.aws_vpc.eks_vpc.owner_id != data.aws_caller_identity.current.account_id
   vpc_domain_name            = var.vpc_domain_name
+  zone_ids                   = concat(var.zone_ids, aws_route53_zone.cluster_domain.id)
 }
 
 #-------------------------------------------------
@@ -57,7 +58,7 @@ module "route53_cluster_domain_east" {
   source   = "git@github.e.it.census.gov:terraform-modules/aws-vpc-setup.git//route53-zone-association/zone?ref=tf-upgrade"
   region   = "us-gov-east-1"
   vpc_id   = data.aws_vpc.eks_vpc.id
-  zone_ids = [aws_route53_zone.cluster_domain.zone_id]
+  zone_ids = [local.zone_ids]
 
   tags = var.tags
 }
@@ -76,7 +77,7 @@ module "route53_cluster_domain_west" {
   source   = "git@github.e.it.census.gov:terraform-modules/aws-vpc-setup.git//route53-zone-association/zone?ref=tf-upgrade"
   region   = "us-gov-west-1"
   vpc_id   = data.aws_vpc.eks_vpc.id
-  zone_ids = [aws_route53_zone.cluster_domain.zone_id]
+  zone_ids = [local.zone_ids]
 
   tags = var.tags
 }
diff --git a/variables.tf b/variables.tf
index 2336ee9..eb0613f 100644
--- a/variables.tf
+++ b/variables.tf
@@ -65,3 +65,9 @@ variable "route53_endpoints" {
     }
   }
 }
+
+variable "zone_ids" {
+  description = "zone ids to mock module call"
+  type        = list(string)
+  default     = [""]
+}