dns cache

[Barry Margolin]

In article <003901bf1e09$78081dc0$2e8bfea9 at zhouna>,
zhouna <zhouna at 21cn.com> wrote:
>hi,all
>
>a quick and easy question:
>
>i have a primary dns for a sub-domain a.b.c,and a.b.c is under d.e.f domain.
>
>now, i modified the primary ns for d.e.f,how can i force dns in a.b.c to
>refresh its cache?
>
>i have modified the serial number,but it doesnt work.

You have to tell the administrator of the d.e.f DNS server to update the
delegation record.  It will only update automatically if that server is
configured as a secondary or stub server.  And even if that happens, the
secondary servers for d.e.f may not update.

-- 
Barry Margolin, barmar at bbnplanet.com
GTE Internetworking, Powered by BBN, Burlington, MA
*** DON'T SEND TECHNICAL QUESTIONS DIRECTLY TO ME, post them to newsgroups.
Please DON'T copy followups to me -- I'll assume it wasn't posted to the group.