diff --git a/data/dns/sernet.dn42 b/data/dns/sernet.dn42
index 9db8e2be1..7c90f9d9f 100644
--- a/data/dns/sernet.dn42
+++ b/data/dns/sernet.dn42
@@ -6,4 +6,5 @@ nserver:            ns1.sernet.dn42 172.20.209.120
 nserver:            ns1.sernet.dn42 fdfa:7906:8262::1010
 nserver:            ns2.sernet.dn42 172.23.209.121
 nserver:            ns2.sernet.dn42 fdfa:7906:8262::1011
+ds-rdata:           21434 13 2 788144123CAA60EB4F38B18837365FC8F76895C666C9F0523A08A163FA564B8D
 source:             DN42
diff --git a/data/dns/sherpherd.dn42 b/data/dns/sherpherd.dn42
index 2807dd7ff..129b216c2 100644
--- a/data/dns/sherpherd.dn42
+++ b/data/dns/sherpherd.dn42
@@ -6,4 +6,5 @@ nserver:            ns1.sherpherd.dn42 172.20.209.120
 nserver:            ns1.sherpherd.dn42 fdfa:7906:8262::1010
 nserver:            ns2.sherpherd.dn42 172.23.209.121
 nserver:            ns2.sherpherd.dn42 fdfa:7906:8262::1011
+ds-rdata:           41534 13 2 83229DC406DBE50A442483D4F16ABA709DAD3543C3CB986D9226AFB40ADD4E95
 source:             DN42
diff --git a/data/inet6num/fd06:7bc4:e3fa:7940::_60 b/data/inet6num/fd06:7bc4:e3fa:7940::_60
index 1603e728f..3fa36582e 100644
--- a/data/inet6num/fd06:7bc4:e3fa:7940::_60
+++ b/data/inet6num/fd06:7bc4:e3fa:7940::_60
@@ -3,6 +3,7 @@ netname:            SERNET-IX-IPv6
 descr:              Allocation block for SERNET-IX
 nserver:            ns1.sernet.dn42
 nserver:            ns2.sernet.dn42
+ds-rdata:           22967 13 2 5EF300FA2684819D2A576703106ECAA999483F68AD109FD832FB8D3331094CF8
 admin-c:            HAKSRPD-DN42
 tech-c:             HAKSRPD-DN42
 mnt-by:             SERNET-MNT
diff --git a/data/inet6num/fdfa:7906:8262::_48 b/data/inet6num/fdfa:7906:8262::_48
index 798db1de8..9930910b5 100644
--- a/data/inet6num/fdfa:7906:8262::_48
+++ b/data/inet6num/fdfa:7906:8262::_48
@@ -1,9 +1,9 @@
 inet6num:           fdfa:7906:8262:0000:0000:0000:0000:0000 - fdfa:7906:8262:ffff:ffff:ffff:ffff:ffff
 netname:            SERNET-DN42-IPV6
 descr:              Peering worldwide, Asia region node preferred. Contact me at haksrpd@outlook.com
-country:            CN
-nserver:            ns1.sherpherd.dn42
-nserver:            ns2.sherpherd.dn42
+nserver:            ns1.sernet.dn42
+nserver:            ns2.sernet.dn42
+ds-rdata:           12244 13 2 907A3E7EC079D90C9B9B84B92F5F52785F7C4F42DB36CD20F0324FC8077BAA30
 admin-c:            HAKSRPD-DN42
 tech-c:             HAKSRPD-DN42
 mnt-by:             SERNET-MNT
diff --git a/data/inetnum/172.20.209.64_26 b/data/inetnum/172.20.209.64_26
index 7af774e54..e4e432896 100644
--- a/data/inetnum/172.20.209.64_26
+++ b/data/inetnum/172.20.209.64_26
@@ -1,7 +1,8 @@
 inetnum:            172.20.209.64 - 172.20.209.127
 netname:            SERNET-DN42-IPV4
-nserver:            ns1.sherpherd.dn42
-nserver:            ns2.sherpherd.dn42
+nserver:            ns1.sernet.dn42
+nserver:            ns2.sernet.dn42
+ds-rdata:           34429 13 2 8B98416ABE7AE20D4E267947FEE3EB013AD7CAF64A0FCDBCE6CDFD526402DE72
 admin-c:            HAKSRPD-DN42
 tech-c:             HAKSRPD-DN42
 mnt-by:             SERNET-MNT