diff --git a/data/dns/cstdio.dn42 b/data/dns/cstdio.dn42
index aab2c5082..9b79ef59a 100644
--- a/data/dns/cstdio.dn42
+++ b/data/dns/cstdio.dn42
@@ -3,5 +3,5 @@ admin-c:            CSTDIO-DN42
 tech-c:             CSTDIO-DN42
 mnt-by:             CSTDIO-MNT
 nserver:            ns1.cstdio.dn42 172.22.189.33
-nserver:            ns1.cstdio.dn42 fd35:4992:6a6d:53::2
+nserver:            ns1.cstdio.dn42 fdf0:bb4d:b9f1::1
 source:             DN42