diff --git a/data/dns/noettore.dn42 b/data/dns/noettore.dn42
index 13b37a300..20b0ba36b 100644
--- a/data/dns/noettore.dn42
+++ b/data/dns/noettore.dn42
@@ -3,7 +3,5 @@ admin-c:            NOETTORE-DN42
 tech-c:             NOETTORE-DN42
 mnt-by:             NOETTORE-MNT
 nserver:            ns1.noettore.dn42 172.21.68.2
-nserver:            ns1.noettore.dn42 fded:aab3:fb63:53::2
-nserver:            ns2.noettore.dn42 172.21.68.3
-nserver:            ns2.noettore.dn42 fded:aab3:fb63:53::3
+nserver:            ns1.noettore.dn42 fded:aab3:fb63::53:2
 source:             DN42
diff --git a/data/inet6num/fded:aab3:fb63::_48 b/data/inet6num/fded:aab3:fb63::_48
index b0ec7321f..837a06e3f 100644
--- a/data/inet6num/fded:aab3:fb63::_48
+++ b/data/inet6num/fded:aab3:fb63::_48
@@ -8,5 +8,4 @@ tech-c:             NOETTORE-DN42
 mnt-by:             NOETTORE-MNT
 status:             ASSIGNED
 nserver:            ns1.noettore.dn42
-nserver:            ns2.noettore.dn42
 source:             DN42
diff --git a/data/inetnum/172.21.68.0_27 b/data/inetnum/172.21.68.0_27
index a700c855a..f4b1ba40b 100644
--- a/data/inetnum/172.21.68.0_27
+++ b/data/inetnum/172.21.68.0_27
@@ -8,5 +8,4 @@ tech-c:             NOETTORE-DN42
 mnt-by:             NOETTORE-MNT
 status:             ASSIGNED
 nserver:            ns1.noettore.dn42
-nserver:            ns2.noettore.dn42
 source:             DN42