diff --git a/data/dns/kleen.dn42 b/data/dns/kleen.dn42
index 5974dd462..bc6c5721f 100644
--- a/data/dns/kleen.dn42
+++ b/data/dns/kleen.dn42
@@ -2,6 +2,8 @@ domain:             kleen.dn42
 admin-c:            KLEEN-DN42
 tech-c:             KLEEN-DN42
 mnt-by:             KLEEN-MNT
-nserver:            dns.kleen.dn42 172.23.100.193
-nserver:            dns.kleen.dn42 fd42:ac17:64c0::1
+nserver:            dns1.kleen.dn42 172.23.100.193
+nserver:            dns1.kleen.dn42 fd42:ac17:64c0::1
+nserver:            dns2.kleen.dn42 172.23.100.194
+nserver:            dns2.kleen.dn42 fd42:ac17:64c0::2
 source:             DN42
diff --git a/data/inet6num/fd42:ac17:64c0::_48 b/data/inet6num/fd42:ac17:64c0::_48
index 344894bd5..67f1c228b 100644
--- a/data/inet6num/fd42:ac17:64c0::_48
+++ b/data/inet6num/fd42:ac17:64c0::_48
@@ -5,6 +5,7 @@ country:            DE
 admin-c:            KLEEN-DN42
 tech-c:             KLEEN-DN42
 mnt-by:             KLEEN-MNT
-nserver:            dns.kleen.dn42
+nserver:            dns1.kleen.dn42
+nserver:            dns2.kleen.dn42
 status:             ASSIGNED
 source:             DN42
diff --git a/data/inetnum/172.23.100.192_27 b/data/inetnum/172.23.100.192_27
index 59b99fcff..7f2851775 100644
--- a/data/inetnum/172.23.100.192_27
+++ b/data/inetnum/172.23.100.192_27
@@ -5,6 +5,7 @@ country:            DE
 admin-c:            KLEEN-DN42
 tech-c:             KLEEN-DN42
 mnt-by:             KLEEN-MNT
-nserver:            dns.kleen.dn42
+nserver:            dns1.kleen.dn42
+nserver:            dns2.kleen.dn42
 status:             ASSIGNED
 source:             DN42