Re: injecting a temp entry into dns cache

2013-02-04 Thread Phil Mayers
On 02/02/2013 09:41 PM, Veaceslav Revutchi wrote: There is a credit union website that our users access from work and their dns has been broken for the past few days where the www. version works, but the plain name (without the www.) points to some old IP that's not responding. Tried to call

injecting a temp entry into dns cache

2013-02-02 Thread Veaceslav Revutchi
There is a credit union website that our users access from work and their dns has been broken for the past few days where the www. version works, but the plain name (without the www.) points to some old IP that's not responding. Tried to call them and all I got was that they know they have some

Re: injecting a temp entry into dns cache

2013-02-02 Thread Jeff Reasoner
Interesting. Intentionally poison your own cache so your users aren't inconvenienced by anothers misconfiguration. Not sure how you go about doing that on box. Perhaps bigger brains on this list can say. I have had occasion to forge answers locally as an immediate fix for name resolution issues

Re: injecting a temp entry into dns cache

2013-02-02 Thread Vernon Schryver
There is a credit union website that our users access from work and their dns has been broken for the past few days where the www. version From: Jeff Reasoner jeff.reaso...@mail.hccanet.org I elected to add the zone in named.conf and answer the query correctly (and authoritatively) until

Re: injecting a temp entry into dns cache

2013-02-02 Thread Eliezer Croitoru
Hey Slava, You can use a small DNS proxy that will forge only this specific record while for others it will just pass it. By adding a forward DNS zone and add the proxy as the forward DNS server. This is *not* recommended but these are the tools you have. If the DNS proxy is not the well