NS record, nameserver down.

[terry]

于 2011-4-12 16:34, fddi 写道:
> if a remote host does a query for www.domain.com will the query always
> be succesful even if ns1 is down ?
> or the NS records are just round-robin so that if the query arrives to
> the one which is down, the query will fail ?


The clients will always try the second alive nameserver so your doman 
names will be resolved without much problem.

-- 
terry - terry at geekmail.de