diff --git a/dns.tf b/dns.tf
index d5c38c3..57cf899 100644
--- a/dns.tf
+++ b/dns.tf
@@ -12,17 +12,17 @@ provider "namecheap" {}
 
 variable "subnet" {
   type    = string
-  default = "fd00::"
+  default = "fd00"
 }
 
 variable "db_addr" {
   type    = string
-  default = "1"
+  default = "::1"
 }
 
 variable "feed_addr" {
   type    = string
-  default = "2"
+  default = "::2"
 }
 
 variable "db_ipv4_addr" {