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[ILUG] More DNS

[ILUG] More DNS

Niall O Broin niall at linux.ie
Tue Feb 19 18:19:46 GMT 2002


On Wed, Feb 20, 2002 at 03:13:16AM +1300, Vincent Cunniffe wrote:

> 
> I've noticed this before, in cases where I know the TTL and Eircom has never
> had anything to do with the DNS records. It grabs a record and hangs onto it
> like grim death, way past the TTL.
> 
> It also caches negative lookups for a stupidly long period of time. So, when
> you're testing new domain entries, get it right first time or get ready for 
> a looong wait with Eircom's servers.

As I said

> >Eircom server is behaving incorrectly. Why do I not find this surprising ?

As it happens I need to do some changes soon and as my customers have a large
number of clients, most of whom are in Ireland, and many of whom are
inevitably going to use Eircom, I'll have to prepare a fallback - A records
for new.mycustomersname.com seems like one way out.



Niall




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