ns2.cuhk.hk


domain

Summary

Incoming mail for ns2.cuhk.hk is handled by one mailserver at itsc.cuhk.edu.hk. ns2.cuhk.hk has one IP number , but the reverse is barnowl.itsc.cuhk.edu.hk. ns2.cuhk.edu.hk point to the same IP and also shares mailservers. barnowl.itsc.cuhk.edu.hk point to the same IP. edu.cn, pku.cn, pku.edu.cn, cernet.edu.cn, tsinghua.edu.cn and at least three other hosts use this as a nameserver. hkix.net, ns1.cuhk.edu.hk, ns3.cuhk.edu.hk and ftp.cuhk.edu.hk share mailservers with this domain. cuhk.hk is a domain controlled by three nameservers at cuhk.edu.hk. Two of them are on the same IP network. Incoming mail for cuhk.hk is handled by two mailservers also at itsc.cuhk.edu.hk. They are on the same IP network. cuhk.hk has one IP number. ns2.cuhk.hk is hosted on a server in Hong Kong.



DNS Records

baserecordnameipreverserouteas
ns2.cuhk.hka 137.189.6.21
Hong Kong
barnowl.itsc.cuhk.edu.hk137.189.0.0/16
Proxy-registered route object
AS3661
ERX-CUHKNET The Chinese University of Hong Kong ITSC, The Chinese University of Hong Kong Shatin, N.T.,
mx 100freedom.itsc.cuhk.edu.hk137.189.4.14
Hong Kong
cuhk.hka 137.189.6.6
Hong Kong
(none)
ns-soa ns1.cuhk.edu.hk137.189.6.1
Hong Kong
lioness.itsc.cuhk.edu.hk
ns ns2.cuhk.edu.hk137.189.6.21
Hong Kong
barnowl.itsc.cuhk.edu.hk
ns3.cuhk.edu.hk202.45.188.39
Hong Kong
sheep.itsc.cuhk.edu.hk202.45.176.0/20
Proxy-registered route object
AS4641
ASN-CUHKNET The Chinese University of Hong Kong Shatin, N.T. Hong Kong
ns1.cuhk.edu.hk137.189.6.1
Hong Kong
lioness.itsc.cuhk.edu.hk137.189.0.0/16
Proxy-registered route object
AS3661
ERX-CUHKNET The Chinese University of Hong Kong ITSC, The Chinese University of Hong Kong Shatin, N.T.,
mx 10asavgw4.itsc.cuhk.edu.hk137.189.4.21
Hong Kong
10asavgw5.itsc.cuhk.edu.hk137.189.4.23
Hong Kong
hk   edu.hk   cuhk.edu.hk   itsc.cuhk.edu.hk  

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graph

dot

shared

ip numbers of host

137.189.6.21

ptrs of ip numbers

barnowl.itsc.cuhk.edu.hk

hostnames sharing ip with a-records

barnowl.itsc.cuhk.edu.hk
ns2.cuhk.edu.hk



mailservers used by this domain

freedom.itsc.cuhk.edu.hk(primary)

ip numbers of mailservers

137.189.4.14

reverse names of the mailservers

freedom.itsc.cuhk.edu.hk

other names of the mailservers

ftp.cuhk.edu.hk


used as nameserver but missing in parent delegation

64.161.in-addr.arpa
7.112.202.in-addr.arpa
pku.cn

used as nameserver but missing in zone

130.29.222.in-addr.arpa


hostnames sharing ip with a-records
 mailservers used by this domain
  other names of the mailservers
   domains sharing mailservers
    domains using this as nameserver
     domains using this as nameserver under another name
      ptrs of ip numbers
       reverse names of the mailservers
        
         used as nameserver but missing in parent delegation
          used as nameserver but missing in zone
130.29.222.in-addr.arpa    X     X 
64.161.in-addr.arpa    X    X  
7.112.202.in-addr.arpa    X    X  
barnowl.itsc.cuhk.edu.hkX     X X   
freedom.itsc.cuhk.edu.hk X     X    
ftp.cuhk.edu.hk  XX        
hkix.net   X X      
ns2.cuhk.edu.hkX  X        
pku.cn    X    X  

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date20091219 rtsakmarka rtsakmark3