How to update QUICKLY for clients on subdomains.

[Barry Margolin]

In article <dq2go9$1ajm$1 at sf1.isc.org>,
 "Truong Tan Son" <sontt at fcv.fujitsu.com> wrote:

> Holger wrote:
> 
> >have you tried "rndc flush" on all nameservers?
> 
> I tried "rndc flush", it did not take effect.

Your diagram is confusing.  Are those zones or are they nameservers?  
Are the servers slaves for each other?

> 
> Servers has been setting:
> --------------------------------------------------------------------
> @       IN      SOA     root1.domain.com.       admin-dns.domain.com. (
> 20052012;    Serial
> 3H;                Refresh
> 15M;             Retry  
> 1W;               Expire 
> 1D;                Minimum TTL
> )
> 
> 
> Need I change parameters above   ?
> 
> 
> 
> Regards,
> ---
> 
> >Truong Tan Son schrieb:
> >
> >>Dear Sir,        
> >>
> >>I have trouble about update quickly for clients on subdomains.
> >>
> >>Zoom out of my DNS:
> >>----------------------------------------------------------
> >>[domain.com]                is    Root server.
> >>[sub1.domain.com]        is    Subdomain.
> >>[sub2.domain.com]        is    Subdomain.
> >>
> >>                        [domain.com]
> >>                        /                        \        
> >>                       /                          \    
> >>[sub1.domain.com]                    [sub2.domain.com]
> >>-----------------------------------------------------------
> >>
> >>After change some records of [sub1.domain.com],
> >>and reload [sub1.domain.com], after that, clients of [sub2.domain.com] CAN 
> >>NOT see the new records, it still use old records.
> >>
> >>It only takes effect if I reload all servers.
> >>
> >>Default, $TTL is 3600 for all servers.
> >>
> >>Please help me how to update quickly for clients after change something on 
> >>servers.
> >>
> >>
> >>Thanks,
> >>--
> >>
> >>
> >>
> >>
> >>  
> >>

-- 
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
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