diff --git a/terraform/main.tf b/terraform/main.tf
index a9d7cb13..2cac0fdb 100644
--- a/terraform/main.tf
+++ b/terraform/main.tf
@@ -107,7 +107,6 @@ module "dns" {
   dns_prefix                     = "preview"
   resource_group_name            = azurerm_resource_group.imo_app.name
   container_app_id               = module.frontend.container_app_id
-  frontend_outbound_ip_addresses = module.frontend.outbound_ip_addresses
   frontend_fqdn                  = module.frontend.fqdn
   custom_domain_verification_id  = module.frontend.custom_domain_verification_id
 }
diff --git a/terraform/modules/dns/frontend.tf b/terraform/modules/dns/frontend.tf
index f87b84d2..8f109b91 100644
--- a/terraform/modules/dns/frontend.tf
+++ b/terraform/modules/dns/frontend.tf
@@ -1,11 +1,3 @@
-resource "azurerm_dns_a_record" "frontend" {
-  name                = "@"
-  zone_name           = var.dns_zone_name
-  resource_group_name = var.dns_resource_group_name
-  ttl                 = 3600
-  records             = var.frontend_outbound_ip_addresses
-}
-
 resource "azurerm_dns_cname_record" "frontend" {
   name                = var.dns_prefix
   zone_name           = var.dns_zone_name
@@ -26,8 +18,9 @@ resource "azurerm_dns_txt_record" "frontend" {
 }
 
 resource "azurerm_container_app_custom_domain" "frontend" {
-  name             = trimprefix(azurerm_dns_txt_record.frontend.fqdn, "asuid.")
-  container_app_id = var.container_app_id
+  name                     = trimprefix(azurerm_dns_txt_record.frontend.fqdn, "asuid.")
+  container_app_id         = var.container_app_id
+  certificate_binding_type = "SniEnabled"
 
   lifecycle {
     ignore_changes = [certificate_binding_type, container_app_environment_certificate_id]
diff --git a/terraform/modules/dns/variables.tf b/terraform/modules/dns/variables.tf
index 32669067..0304c892 100644
--- a/terraform/modules/dns/variables.tf
+++ b/terraform/modules/dns/variables.tf
@@ -18,10 +18,6 @@ variable "container_app_id" {
   type = string
 }
 
-variable "frontend_outbound_ip_addresses" {
-  type = list(string)
-}
-
 variable "frontend_fqdn" {
   type = string
 }
diff --git a/terraform/modules/frontend/outputs.tf b/terraform/modules/frontend/outputs.tf
index ba1faf4b..e1a54f87 100644
--- a/terraform/modules/frontend/outputs.tf
+++ b/terraform/modules/frontend/outputs.tf
@@ -2,10 +2,6 @@ output "container_app_id" {
   value = azurerm_container_app.frontend.id
 }
 
-output "outbound_ip_addresses" {
-  value = azurerm_container_app.frontend.outbound_ip_addresses
-}
-
 output "fqdn" {
   value = azurerm_container_app.frontend.ingress[0].fqdn
 }