diff --git a/data/dns/as4242420119.dn42 b/data/dns/as4242420119.dn42
index 54faa5dd6..491f922d4 100644
--- a/data/dns/as4242420119.dn42
+++ b/data/dns/as4242420119.dn42
@@ -1,6 +1,8 @@
 domain:             as4242420119.dn42
 nserver:            ns1.as4242420119.dn42 fd42:5d71:219:0:addb:cca8:13a6:7fb
 nserver:            ns2.as4242420119.dn42 fd42:5d71:219:0:f54a:96c2:e50b:66af
+nserver:            ns1.as4242420119.dn42 172.20.1.252
+nserver:            ns2.as4242420119.dn42 172.20.1.253
 ds-rdata:           27958 13 2 8ca148aa8598e8ca22d8989ef7598df8d3d78dcb1053f82e67ca9969832eefcd
 admin-c:            JRB0001-DN42
 tech-c:             JRB0001-DN42