diff --git a/data/dns/tracker.dn42 b/data/dns/tracker.dn42
index 62e6b7d2e..d94575d70 100644
--- a/data/dns/tracker.dn42
+++ b/data/dns/tracker.dn42
@@ -3,5 +3,5 @@ admin-c:            SANTOST12-DN42
 tech-c:             SANTOST12-DN42
 mnt-by:             SANTOST12-MNT
 nserver:            ns1.tracker.dn42 172.20.184.241
-nserver:            ns1.tracker.dn42 fd43:6d1:3ee2::1
+nserver:            ns1.tracker.dn42 fd43:6d1:3ee2:1000::1
 source:             DN42