Primary and secondary question

[Barry Margolin]

In article <380CB3A0.BAABE8A5 at yahoo.com>, Mark Ngo  <ao at manchiu.com> wrote:
>I have a domain called foobar.com and it is located in UK.  The primary
>name server is in UK while the secondary is in US.  The primary server
>delegated us.foobar.com to US DNS.   To resolve fo.us.foobar.com from
>US, must I have to go to UK fist then go to us.foobar.com name server?
>Or it uses the shortest path, which is the secondary US name server.

Nameservers keep track of which remote nameservers respond fastest.  So
sites in the US will probably use the US server for foobar.com, while sites
in the UK will probably use the UK server.  No one but you knows which is
primary and which is secondary.

-- 
Barry Margolin, barmar at bbnplanet.com
GTE Internetworking, Powered by BBN, Burlington, MA
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