diff --git a/data/dns/chofstede.dn42 b/data/dns/chofstede.dn42
new file mode 100644
index 000000000..18e091576
--- /dev/null
+++ b/data/dns/chofstede.dn42
@@ -0,0 +1,7 @@
+domain:             chofstede.dn42
+admin-c:            CHOFSTEDE-DN42
+tech-c:             CHOFSTEDE-DN42
+mnt-by:             CHOFSTEDE-MNT
+nserver:            ns1.chofstede.dn42 172.21.66.194
+nserver:            ns1.chofstede.dn42 fdce:73f7:a2dc::194
+source:             DN42
diff --git a/data/inet6num/fdce:73f7:a2dc::_48 b/data/inet6num/fdce:73f7:a2dc::_48
index b00581d1b..684ae8194 100644
--- a/data/inet6num/fdce:73f7:a2dc::_48
+++ b/data/inet6num/fdce:73f7:a2dc::_48
@@ -3,6 +3,7 @@ cidr:               fdce:73f7:a2dc::/48
 netname:            CHOFSTEDE-NET6
 descr:              Main Network of CHOFSTEDE
 country:            DE
+nserver:            ns1.chofstede.dn42
 admin-c:            CHOFSTEDE-DN42
 tech-c:             CHOFSTEDE-DN42
 mnt-by:             CHOFSTEDE-MNT
diff --git a/data/inetnum/172.21.66.192_27 b/data/inetnum/172.21.66.192_27
index 5b93475c2..dcea11f6f 100644
--- a/data/inetnum/172.21.66.192_27
+++ b/data/inetnum/172.21.66.192_27
@@ -3,6 +3,7 @@ cidr:               172.21.66.192/27
 netname:            CHOFSTEDE-NET4
 descr:              IPv4 Research Network of CHOFSTEDE
 country:            DE
+nserver:            ns1.chofstede.dn42
 admin-c:            CHOFSTEDE-DN42
 tech-c:             CHOFSTEDE-DN42
 mnt-by:             CHOFSTEDE-MNT