change: Add DKIM CNAME entries

terraform/nameserver-records.tf

@@ -34,6 +34,40 @@ module "at_proto_domain" {
   ]
 }
 
+resource "hcloud_zone_rrset" "twomartens_de_proton_domainkey" {
+  name = "protonmail._domainkey"
+  type = "CNAME"
+  zone = hcloud_zone.twomartens_de.name
+  ttl  = 3600
+
+  records = [
+    { value = "protonmail.domainkey.d7qwdnpxvruufupuqhrbyqevavmbiqof76ykxlmdzpmspplifzv5q.domains.proton.ch." }
+  ]
+}
+
+resource "hcloud_zone_rrset" "twomartens_de_proton_domainkey2" {
+  name = "protonmail2._domainkey"
+  type = "CNAME"
+  zone = hcloud_zone.twomartens_de.name
+  ttl  = 3600
+
+  records = [
+    { value = "protonmail2.domainkey.d7qwdnpxvruufupuqhrbyqevavmbiqof76ykxlmdzpmspplifzv5q.domains.proton.ch." }
+  ]
+}
+
+
+resource "hcloud_zone_rrset" "twomartens_de_proton_domainkey3" {
+  name = "protonmail3._domainkey"
+  type = "CNAME"
+  zone = hcloud_zone.twomartens_de.name
+  ttl  = 3600
+
+  records = [
+    { value = "protonmail3.domainkey.d7qwdnpxvruufupuqhrbyqevavmbiqof76ykxlmdzpmspplifzv5q.domains.proton.ch." }
+  ]
+}
+
 module "cdn_domain" {
   source            = "./modules/aws_cdn"
   domain            = hcloud_zone.twomartens_de.name