diff --git a/data/dns/edu.dn42 b/data/dns/edu.dn42
new file mode 100644
index 000000000..2d285b586
--- /dev/null
+++ b/data/dns/edu.dn42
@@ -0,0 +1,7 @@
+domain:             edu.dn42
+admin-c:            NEDIFINITA-DN42
+tech-c:             NEDIFINITA-DN42
+mnt-by:             NEDIFINITA-MNT
+nserver:            ns.edu.dn42 172.22.159.100
+nserver:            ns.edu.dn42 fdef:fa9b:62b::1
+source:             DN42
diff --git a/data/dns/undefined.dn42 b/data/dns/undefined.dn42
deleted file mode 100644
index ed65a85f2..000000000
--- a/data/dns/undefined.dn42
+++ /dev/null
@@ -1,7 +0,0 @@
-domain:             undefined.dn42
-admin-c:            NEDIFINITA-DN42
-tech-c:             NEDIFINITA-DN42
-mnt-by:             NEDIFINITA-MNT
-nserver:            ns1.undefined.dn42 172.22.159.100
-nserver:            ns1.undefined.dn42 fdef:fa9b:62b::1
-source:             DN42
diff --git a/data/inet6num/fdef:fa9b:62b::_48 b/data/inet6num/fdef:fa9b:62b::_48
index ac6775d8e..181e687b0 100644
--- a/data/inet6num/fdef:fa9b:62b::_48
+++ b/data/inet6num/fdef:fa9b:62b::_48
@@ -8,4 +8,4 @@ mnt-by:             NEDIFINITA-MNT
 status:             ASSIGNED
 cidr:               fdef:fa9b:62b::/48
 source:             DN42
-nserver:            ns1.undefined.dn42
+nserver:            ns.edu.dn42
diff --git a/data/inetnum/172.22.159.64_26 b/data/inetnum/172.22.159.64_26
index 92e67f29d..a0885556f 100644
--- a/data/inetnum/172.22.159.64_26
+++ b/data/inetnum/172.22.159.64_26
@@ -8,4 +8,4 @@ mnt-by:             NEDIFINITA-MNT
 status:             ASSIGNED
 cidr:               172.22.159.64/26
 source:             DN42
-nserver:            ns1.undefined.dn42
+nserver:            ns.edu.dn42