q.sina.com.cn
DNS delegation of q.sina.com.cn updated: Jun 19, 2013 10:12:22 PM
Delegation
step query auth servers
1 q.sina.com.cn. . (l,h,f,g,b,m,k,a,j,d,i,e,c).root-servers.net. 2 q.sina.com.cn. cn. c.dns.cn. a.dns.cn. d.dns.cn. b.dns.cn. ns.cernet.net. e.dns.cn. 3 q.sina.com.cn. sina.com.cn. (ns3,ns2,ns4,ns1).sina.com.cn. 4 q.dpool.sina.com.cn. sina.com.cn. (ns3,ns2,ns1,ns4).sina.com.cn.
We pick l.root-servers.net , one of the 13 root servers (1), and ask it about q.sina.com.cn and learn that cn is delegated to six name servers (2), so we ask c.dns.cn where we learn that sina.com.cn is delegated to four name servers, including ns3.sina.com.cn (3), so we ask that one where we see a CNAME from q.sina.com.cn to q.dpool.sina.com.cn , so we have to start all over again. We already know that ns3.sina.com.cn is authoritative for sina.com.cn (4) and ask it about q.dpool.sina.com.cn and get the following answer:
Authoritative answer
cn. net. com.cn. dns.cn. b.dns.cn. d.dns.cn. c.dns.cn. a.dns.cn. e.dns.cn. cernet.net. sina.com.cn. q.sina.com.cn. ns.cernet.net. ns4.sina.com.cn. ns1.sina.com.cn. ns2.sina.com.cn. ns3.sina.com.cn. root-servers.net. dpool.sina.com.cn. m.root-servers.net. a.root-servers.net. j.root-servers.net. h.root-servers.net. d.root-servers.net. i.root-servers.net. l.root-servers.net. k.root-servers.net. g.root-servers.net. f.root-servers.net. c.root-servers.net. b.root-servers.net. e.root-servers.net. q.dpool.sina.com.cn.
whois cn whois net whois dns.cn whois com.cn whois cernet.net whois root-servers.net
whois com.cn , com.cn domain info api com.cn Q.sina.com.cn has one IP number (58.63.237.124 ), via cname to q.dpool.sina.com.cn , but the reverse is ? .
Blogq.sina.com.cn cnames to this hostname. Mark.sina.com.cn , mars.sina.com.cn , q.blog.sina.com.cn , biz.finance.sina.com.cn , finance.dpool.sina.com.cn and at least two other hosts point to the same IP. Q.cc , q.tv , q.cz , q.je , q.biz and at least 72 other hosts are similar domain names.
Also check www.sina.com.cn and sina.com.cn .
Q.sina.com.cn is hosted on a server in Guangzhou, 30, China.
robtex on q.sina.com.cn RBL listing of q.sina.com.cn mnw
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