diff --git a/dns/db.10.127 b/dns/db.10.127
index f884743..f8afc03 100644
--- a/dns/db.10.127
+++ b/dns/db.10.127
@@ -48,6 +48,7 @@ $TTL	604800
 7       IN      NS      ns1.staph.neo.
 
 9       IN      NS      ns1.jerry.neo.
+9       IN      NS      ns2.jerry.neo.
 
 10      IN      NS      ns-anycast.lantian.neo.
 10      IN      NS      ns1.lantian.neo.
@@ -65,6 +66,7 @@ $TTL	604800
 
 ; rfc2317
 64/26.8    IN NS    ns1.jerry.neo.
+64/26.8    IN NS    ns2.jerry.neo.
 64.8       IN CNAME 64.64/26.8
 65.8       IN CNAME 65.64/26.8
 66.8       IN CNAME 66.64/26.8
@@ -131,6 +133,7 @@ $TTL	604800
 127.8      IN CNAME 127.64/26.8
 
 192/26.8   IN NS    ns1.jerry.neo.
+192/26.8   IN NS    ns2.jerry.neo.
 192.8      IN CNAME 192.192/26.8
 193.8      IN CNAME 193.192/26.8
 194.8      IN CNAME 194.192/26.8
diff --git a/dns/db.fd10.127 b/dns/db.fd10.127
index 31a6f2b..9177c10 100644
--- a/dns/db.fd10.127
+++ b/dns/db.fd10.127
@@ -32,6 +32,7 @@ $TTL	604800
 
 ; DELEGATED ZONES
 3.5.0.0        IN      NS      ns1.jerry.neo.
+3.5.0.0        IN      NS      ns2.jerry.neo.
 
 0.1.0.0        IN      NS      ns-anycast.lantian.neo.
 0.1.0.0        IN      NS      ns1.lantian.neo.
diff --git a/dns/neonetwork b/dns/neonetwork
index a0272c9..7cd47ed 100644
--- a/dns/neonetwork
+++ b/dns/neonetwork
@@ -36,8 +36,11 @@ edwardp     IN  AAAA fd10:127:2f2f::
 
 ; DELEGATED ZONES
 jerry       IN  NS    ns1.jerry
+jerry       IN  NS    ns2.jerry
 ns1.jerry   IN  A     10.127.8.193
 ns1.jerry   IN  AAAA  fd10:127:53::1
+ns2.jerry   IN  A     10.127.8.216
+ns2.jerry   IN  AAAA  fd10:127:53:100::1
 
 kp          IN	NS    ns1.kp
 ns1.kp      IN	A     10.127.39.1
diff --git a/dns/rfc2317.toml b/dns/rfc2317.toml
index bb6fe80..c9aa4e3 100644
--- a/dns/rfc2317.toml
+++ b/dns/rfc2317.toml
@@ -1,8 +1,8 @@
 ["10.127.8.64/26"]
-ns = ["ns1.jerry.neo."]
+ns = ["ns1.jerry.neo.", "ns2.jerry.neo."]
 
 ["10.127.8.192/26"]
-ns = ["ns1.jerry.neo."]
+ns = ["ns1.jerry.neo.", "ns2.jerry.neo."]
 
 ["10.127.8.160/27"]
 ns = ["ns1.staph.neo."]
diff --git a/neonetwork.json b/neonetwork.json
index c7036ad..a2b015c 100644
--- a/neonetwork.json
+++ b/neonetwork.json
@@ -1,7 +1,7 @@
 {
   "metadata": {
-    "generated": 1609741678,
-    "valid": 1610951278
+    "generated": 1609939091,
+    "valid": 1611148691
   },
   "people": {
     "liangjw": {
diff --git a/roa46.json b/roa46.json
index 565d649..8e90a20 100644
--- a/roa46.json
+++ b/roa46.json
@@ -1,8 +1,8 @@
 {
   "metadata": {
     "counts": 86,
-    "generated": 1609741678,
-    "valid": 1610951278
+    "generated": 1609939091,
+    "valid": 1611148691
   },
   "roas": [
     {