q.sina.com.cn


DNS delegation of q.sina.com.cn updated: Jun 19, 2013 10:12:22 PM

Delegation

stepqueryauthservers
1q.sina.com.cn..(l,h,f,g,b,m,k,a,j,d,i,e,c).root-servers.net.
2q.sina.com.cn.cn.c.dns.cn. a.dns.cn. d.dns.cn. b.dns.cn. ns.cernet.net. e.dns.cn.
3q.sina.com.cn.sina.com.cn.(ns3,ns2,ns4,ns1).sina.com.cn.
4q.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

ANSWER for q.sina.com.cn.
q.sina.com.cn.60 CNAME q.dpool.sina.com.cn.
ANSWER for q.dpool.sina.com.cn.
q.dpool.sina.com.cn.60 A58.63.237.124 q.dpool.sina.com.cn points to 58.63.237.124.
AUTHORITATIVE for q.dpool.sina.com.cn.
dpool.sina.com.cn.86400 NS ns4.sina.com.cn. dpool.sina.com.cn use ns4.sina.com.cn as name server.
86400 NS ns3.sina.com.cn. dpool.sina.com.cn use ns3.sina.com.cn as name server.
86400 NS ns1.sina.com.cn. dpool.sina.com.cn use ns1.sina.com.cn as name server.
86400 NS ns2.sina.com.cn. dpool.sina.com.cn use ns2.sina.com.cn as name server.
ADDITIONAL for q.dpool.sina.com.cn.
ns1.sina.com.cn.86400 A202.106.184.166
ns2.sina.com.cn.86400 A61.172.201.254
ns3.sina.com.cn.86400 A123.125.29.99
ns4.sina.com.cn.86400 A121.14.1.22

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.

The IP number 58.63.237.124

All of the ten host names that point to the IP number 58.63.237.124 point only to that ip number (example: q.dpool.sina.com.cn, tvguide.ent.sina.com.cn and photo.auto.sina.com.cn ).

robtex on q.sina.com.cn
RBL listing of q.sina.com.cn
mnw
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