On Fri, 10 Aug 2007, Leonardo Rodrigues Magalhães wrote: > John D. Hardin escreveu: > > On Fri, 10 Aug 2007, Leonardo Rodrigues Magalhães wrote: > > > >> Anyway, checking TTL would require that you always check > >> domain NSs and not your DNS cache server. That would trash all the > >> DNS cache traffic save, thus not making it a good idea. > > > > _always_? Not necessarily. That data could be maintained in a local > > cache after querying the authoritative server directly. Of course, > > that assumes the same short-TTL domain will be sending a lot of spams > > to you... > > Well .... at least that would probably require some coding on the > DNS Cache server code.
What I had in mind was a custom DNS client code, or playing with the options to Net::DNS to query the authoritative server directly. Regardless, obtaining that information will be rather ugly. -- John Hardin KA7OHZ http://www.impsec.org/~jhardin/ [EMAIL PROTECTED] FALaholic #11174 pgpk -a [EMAIL PROTECTED] key: 0xB8732E79 -- 2D8C 34F4 6411 F507 136C AF76 D822 E6E6 B873 2E79 ----------------------------------------------------------------------- The big news on the streets today is that the people of Baqubah are generally ecstatic, although many hold in reserve a serious concern that we will abandon them again. For many Iraqis, we have morphed from being invaders to occupiers to members of a tribe. -- Michael Yon, 05 July 2007 ----------------------------------------------------------------------- 5 days until The 62nd anniversary of the end of World War II
