diff --git a/data/dns/yuyuko.dn42 b/data/dns/yuyuko.dn42
index 2111ee63f..99378d529 100644
--- a/data/dns/yuyuko.dn42
+++ b/data/dns/yuyuko.dn42
@@ -2,6 +2,8 @@ domain:             yuyuko.dn42
 admin-c:            YUYUKO-DN42
 tech-c:             YUYUKO-DN42
 mnt-by:             YUYUKO-MNT
-nserver:            ns1.yuyuko.dn42 172.21.86.1
-nserver:            ns1.yuyuko.dn42 fd55:bf6f:88de::ac15:5601
+nserver:            ns1.yuyuko.dn42 172.21.86.2
+nserver:            ns1.yuyuko.dn42 fd42:4242:1117::ac15:5602
+nserver:            ns2.yuyuko.dn42 172.21.86.3
+nserver:            ns2.yuyuko.dn42 fd42:4242:1117::ac15:5603
 source:             DN42
diff --git a/data/inet6num/fd55:bf6f:88de::_48 b/data/inet6num/fd42:4242:1117::_48
similarity index 70%
rename from data/inet6num/fd55:bf6f:88de::_48
rename to data/inet6num/fd42:4242:1117::_48
index b9f5c9a45..9e96ee31c 100644
--- a/data/inet6num/fd55:bf6f:88de::_48
+++ b/data/inet6num/fd42:4242:1117::_48
@@ -1,4 +1,4 @@
-inet6num:           fd55:bf6f:88de:0000:0000:0000:0000:0000 - fd55:bf6f:88de:ffff:ffff:ffff:ffff:ffff
+inet6num:           fd42:4242:1117:0000:0000:0000:0000:0000 - fd42:4242:1117:ffff:ffff:ffff:ffff:ffff
 netname:            YUYUKO-IPV6
 descr:              Peer with me at dn42@yuyuko.com. Details could be found in https://blog.yuyuko.com.
 country:            CN
@@ -7,5 +7,5 @@ tech-c:             YUYUKO-DN42
 mnt-by:             YUYUKO-MNT
 nserver:            ns1.yuyuko.dn42
 status:             ASSIGNED
-cidr:               fd55:bf6f:88de::/48
+cidr:               fd42:4242:1117::/48
 source:             DN42
diff --git a/data/route6/fd55:bf6f:88de::_48 b/data/route6/fd42:4242:1117::_48
similarity index 84%
rename from data/route6/fd55:bf6f:88de::_48
rename to data/route6/fd42:4242:1117::_48
index e3e1deb3a..40da975e2 100644
--- a/data/route6/fd55:bf6f:88de::_48
+++ b/data/route6/fd42:4242:1117::_48
@@ -1,4 +1,4 @@
-route6:             fd55:bf6f:88de::/48
+route6:             fd42:4242:1117::/48
 descr:              Peer with me at dn42@yuyuko.com. Details could be found in https://blog.yuyuko.com.
 origin:             AS4242421117
 mnt-by:             YUYUKO-MNT