diff --git a/data/dns/ck.dn42 b/data/dns/ck.dn42
index fef934ddb..6679e9b26 100644
--- a/data/dns/ck.dn42
+++ b/data/dns/ck.dn42
@@ -6,4 +6,7 @@ mnt-by:             CK-MNT
 nserver:            ns1.ck.dn42 172.20.231.21
 nserver:            ns2.ck.dn42 172.20.231.22
 nserver:            ns3.ck.dn42 172.20.231.23
+nserver:            ns1.ck.dn42 fd1d:8832:3c69::1
+nserver:            ns2.ck.dn42 fd1d:8832:3c69::2
+nserver:            ns3.ck.dn42 fd1d:8832:3c69::3
 source:             DN42
diff --git a/data/mntner/CK-MNT b/data/mntner/CK-MNT
index 0c75abebe..b2134cd00 100644
--- a/data/mntner/CK-MNT
+++ b/data/mntner/CK-MNT
@@ -4,3 +4,4 @@ admin-c:            CK-DN42
 tech-c:             CK-DN42
 mnt-by:             CK-MNT
 source:             DN42
+auth:               pgp-fingerprint  EB7DDF0636F43D101198603E4E3E9181D2A2FB98