How do slow down DNS responses

Mark_Andrews at isc.org Mark_Andrews at isc.org
Tue Jan 22 21:32:16 UTC 2002


> How do you slow down the DNS response.
> 
> I use a dial-on-demand app to bring up the link but the DNS reacts too
> quickly and the app is still dialling.
> 
> The Details
> I used to use resolv.conf to specify the nameservers but the link got
> brought up for all sorts of things so I implemented a DNS (for the local
> zone) with forwarding (for the lookups that really are needed). The DNS
> simply decides too quickly that the nameservers are not available and
> replies to the requestor.
> 
> I have seen some people put lots of entries in resolv.conf, is this really
> the only way of doing it?
> 
> regards and thanks for your help
> Scott

	How long do you expect it wait?

	ISDN dialup should be fast enough (~4 secs).
	POTS dialup is very slow (30-90 secs).

	Mark
--
Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at isc.org


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