diff --git a/terraform/environments/delius-core/modules/components/oracle_db_instance/dns.tf b/terraform/environments/delius-core/modules/components/oracle_db_instance/dns.tf
index ea70a7e5780..a32f823aa44 100644
--- a/terraform/environments/delius-core/modules/components/oracle_db_instance/dns.tf
+++ b/terraform/environments/delius-core/modules/components/oracle_db_instance/dns.tf
@@ -1,8 +1,8 @@
-resource "aws_route53_record" "db_ec2_instance" {
+resource "aws_route53_record" "db_ec2_instance_internal" {
   provider = aws.core-vpc
   zone_id  = var.account_config.route53_inner_zone_info.zone_id
-  name     = var.db_type == "primary" ? "delius-${var.env_name}-db-${var.db_count_index}.${var.account_config.route53_inner_zone_info.name}" : "delius-${var.env_name}-db-${var.db_count_index + 1}.${var.account_config.route53_inner_zone_info.name}"
+  name     = var.db_type == "primary" ? "${var.env_name}-delius-db-${var.db_count_index}.delius.${var.account_config.route53_inner_zone_info.name}" : "${var.env_name}-delius-db-${var.db_count_index + 1}.delius.${var.account_config.route53_inner_zone_info.name}"
   type     = "CNAME"
-  ttl      = 300
+  ttl      = 60
   records  = [aws_instance.db_ec2.private_dns]
-}
\ No newline at end of file
+}