how to know what DNS server is being used

[Matthew Seaman]

patrick wrote:
> On 10/28/06, Matthew Seaman <m.seaman at infracaninophile.co.uk> wrote:
> 
>> On recent FreeBSD, the resolver actually iterates through the listed
>> nameserver lines in order, sending the query out to each in turn until
>> it gets a response.  It used to be that the resolver would wait for the
>> full 30s DNS timeout before trying the next server (hence the cry dreaded
>> by sysadmins everywhere that "the Internet is slow today"), but nowadays
> 
> Is there any way to configure this 30 second delay for older versions
> of FreeBSD (eg. 4.11)?

Nope.  It's specified in the DNS RFCs, and consequently built into the
client side resolver stuff in libc.

	Cheers,

	Matthew

-- 
Dr Matthew J Seaman MA, D.Phil.                       7 Priory Courtyard
                                                      Flat 3
PGP: http://www.infracaninophile.co.uk/pgpkey         Ramsgate
                                                      Kent, CT11 9PW

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