Re: Automatic . NS queries from BIND

2015-06-17 Thread Cathy Almond
On 16/06/2015 01:51, Kevin Oberman wrote: > On Mon, Jun 15, 2015 at 1:29 PM, Darcy Kevin (FCA) > mailto:kevin.da...@fcagroup.com>> wrote: > > Right, we know how hints files are used, but I think you guys may be > missing the underlying conundrum: why is named querying the NS > records

RE: Automatic . NS queries from BIND

2015-06-17 Thread Gaurav Kansal
Hi Kevin, Thanks for nice explanation. I am not using ‘forward’ in my dns server. It’s a pure caching server. Regards, Gaurav Kansal From: bind-users-boun...@lists.isc.org [mailto:bind-users-boun...@lists.isc.org] On Behalf Of Darcy Kevin (FCA) Sent: Tuesday, June 16, 2015 1:59 AM T

RE: Automatic . NS queries from BIND

2015-06-17 Thread Gaurav Kansal
Hi Cathy, Thanks for nice explanation of the things. I am using a latest hint file available on IANA server. Just one more question, as we know that bind doesn't trust hint file completely and goes to Root Servers for cross check the things (Root servers which are defined in that hint f

Re: Automatic . NS queries from BIND

2015-06-17 Thread Anand Buddhdev
On 17/06/15 12:27, Gaurav Kansal wrote: Hi Gaurav, > At most, what I can make sure is my hint file is up-to-dated with this cross > check. You're better off not providing a hints file at all. BIND ships with a built-in list of hints, and it will use this if you don't provide a hints file. BIND'

Re: Automatic . NS queries from BIND

2015-06-17 Thread Matus UHLAR - fantomas
On 17/06/15 12:27, Gaurav Kansal wrote: At most, what I can make sure is my hint file is up-to-dated with this cross check. On 17.06.15 14:26, Anand Buddhdev wrote: You're better off not providing a hints file at all. BIND ships with a built-in list of hints, and it will use this if you don't

Re: Automatic . NS queries from BIND

2015-06-17 Thread Anand Buddhdev
On 17/06/15 15:00, Matus UHLAR - fantomas wrote: Hi Matus, > well, the hard-coded hints file changes whenever new BIND release gets out, > while the bungled hints file may be updated by packagers or manually. > > I'd say that the bundled hints file is likely to be newer than the > hard-coded one

Re: Automatic . NS queries from BIND

2015-06-17 Thread gaurav . kansal
In case, i have my hint file in bind configuration and it also have its hard-coded one, who will get the priority. Means which file will be used by bind for getting responses from root ? Sent by kansal's device. On Wed, Jun 17, 2015 at 7:17 AM -0700, "Anand Buddhdev" wrote: On

Re: Automatic . NS queries from BIND

2015-06-17 Thread Barry Margolin
In article , Gaurav Kansal wrote: > Now suppose, I am giving a hint file (which has customized entry, means > having different IPs then the actual) and the servers which are defined in > that file are also giving customize information. > > So how come checking with Root Servers help BIND in ma

Re: Automatic . NS queries from BIND

2015-06-17 Thread Barry Margolin
In article , gaurav.kan...@nic.in wrote: > In case, i have my hint file in bind configuration and it also have its > hard-coded one, who will get the priority. > > > Means which file will be used by bind for getting responses from root ? The hints file takes precedence over the hard-coded one

Re: Automatic . NS queries from BIND

2015-06-17 Thread Warren Kumari
On Wed, Jun 17, 2015 at 9:59 AM, Anand Buddhdev wrote: > On 17/06/15 15:00, Matus UHLAR - fantomas wrote: > > Hi Matus, > >> well, the hard-coded hints file changes whenever new BIND release gets out, >> while the bungled hints file may be updated by packagers or manually. >> >> I'd say that the b

file descriptor exceeds limit

2015-06-17 Thread Shawn Zhou
Hello, BIND on my resolvers reaches the max open file limit and I am getting lots of SERVFAILs http://pastebin.com/SxRsHLff After I increased the max-socks (-s 8192) to 8192, I no longer saw the file limit error from the log anymore; however, I am still many SERVFAILs. Our resolvers were doing a