diff --git a/terraform/domains.tf b/terraform/domains.tf
index e5cc81a..ba1aa66 100644
--- a/terraform/domains.tf
+++ b/terraform/domains.tf
@@ -18,9 +18,9 @@ resource "inwx_domain_contact" "admin" {
 resource "inwx_domain" "twomartens_de" {
   name = local.domain
   nameservers = [
-    "ns.inwx.de",
-    "ns2.inwx.de",
-    "ns3.inwx.eu"
+    "helium.ns.hetzner.de",
+    "hydrogen.ns.hetzner.com",
+    "oxygen.ns.hetzner.com"
   ]
   period        = local.domain_period
   renewal_mode  = local.domain_renewal
diff --git a/terraform/uberspace.tf b/terraform/uberspace.tf
index 55af103..d744c57 100644
--- a/terraform/uberspace.tf
+++ b/terraform/uberspace.tf
@@ -80,20 +80,6 @@ module "nextcloud_domain" {
 }
 
 // domain key
-resource "inwx_nameserver_record" "id_twomartens_de_uberspace-domainkey_txt" {
-  domain  = local.domain
-  name    = "uberspace._domainkey.id.2martens.de"
-  content = "v=DKIM1;t=s;n=core;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqs3bFL8W77z7VJHCFbsJ3o68Y1uBbVsbIS1y35CMfRv6wp7si7aIG2ZeKqzdh2dTMsvtvSMaYVq1gT/EtRmTbU/BYC21ff8sqcVqn/ll5nNsk5jKWXTYAlTQp4LBQN7icw94ZNGr5/SDYcnv2nsBYFf2GUviObWXGHX4RaBFNj9NVUNWNin/HicvW+LsbfYq37QtlhjmUn9K96VCwKcTV1mx+Ek0osErYefcOVNawqWIlVRQDLkHZhk1StLsOpRqV+qEjhzTk4n4ZiNtLJG1D9CpHl24d5DKsQDyVFdEfqHimFTSNgiitlkuXg+i+NMiRA9G3gNJtvw8uvfN8f+stQIDAQAB"
-  type    = "TXT"
-  ttl     = 3600
-}
-resource "inwx_nameserver_record" "cloud_twomartens_de_uberspace-domainkey_txt" {
-  domain  = local.domain
-  name    = "uberspace._domainkey.cloud.2martens.de"
-  content = "v=DKIM1;t=s;n=core;p=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"
-  type    = "TXT"
-  ttl     = 3600
-}
 resource "inwx_nameserver_record" "twomartens_de_uberspace-domainkey_txt" {
   domain  = local.domain
   name    = "uberspace._domainkey.2martens.de"