domain:             tsinghua.dn42
admin-c:            CNCLOUD-DN42
tech-c:             CNCLOUD-DN42
mnt-by:             CNCLOUD-MNT
nserver:            ns1.tsinghua.dn42 172.23.6.66
nserver:            ns1.tsinghua.dn42 fdb2:c8b5:808c::2
source:             DN42