18 DNS NS record assets at ns4.sina.com.
sinaimg.com
gule.club
zuiwuji.com
sina.com
xincai.com
siyuanshuijiao.com
kandian.com
iyh365.com
sina.net
weibo.com
qingmail.com
yrwan.com
xiaotiandicafe.com
isou.com
sina100.com
xiaotiandigame.com
sinauda.com
sinanet.com