diff --git a/data/dns/yamakaja.dn42 b/data/dns/yamakaja.dn42
index 5cd5e0816..5ee3ac8c6 100644
--- a/data/dns/yamakaja.dn42
+++ b/data/dns/yamakaja.dn42
@@ -2,5 +2,6 @@ domain:             yamakaja.dn42
 admin-c:            YAMAKAJA-DN42
 tech-c:             YAMAKAJA-DN42
 mnt-by:             YAMAKAJA-MNT
-nserver:            ns1.yamakaja.dn42 172.20.20.64
+nserver:            ns1.yamakaja.dn42 172.21.191.65
+nserver:            ns1.yamakaja.dn42 fd42:c01d:beef:53::1
 source:             DN42