diff --git a/records_cname.tf b/records_cname.tf
index c0371d4..ec254ae 100644
--- a/records_cname.tf
+++ b/records_cname.tf
@@ -7,6 +7,10 @@ resource "cloudflare_dns_record" "cname-www" {
   tags    = []
   ttl     = 3600
   type    = "CNAME"
+  settings = {
+    ipv4_only = true
+    ipv6_only = false
+  }
 }
 
 resource "cloudflare_dns_record" "cname-mail" {
@@ -18,4 +22,8 @@ resource "cloudflare_dns_record" "cname-mail" {
   tags    = []
   ttl     = 3600
   type    = "CNAME"
+  settings = {
+    ipv4_only = true
+    ipv6_only = false
+  }
 }
\ No newline at end of file