Re: [SLUG] debugging dns resolution issues with RES_OPTIONS=debug

2010-01-27 Thread Rick Welykochy
Ben Burke wrote: Yes, I know about dig. But the problem I'm having appears to be failure of dns server to respond, or a communications problem with dns server(s) I admittedly haven't delved deep into the dig man page, but a suggestion would be to add a suitable dig incantation to your cron

Re: [SLUG] debugging dns resolution issues with RES_OPTIONS=debug

2010-01-27 Thread Ben Burke
Rick, Thanks - yes, that will help, though I don't think I'll get close enough to the problem to decide if it's ip communications or a windows dns server issue. (I could do other connectivity tests to the dns servers, same result) I came across these options when working with a really

Re: [SLUG] debugging dns resolution issues with RES_OPTIONS=debug

2010-01-27 Thread Ishwor Gurung
2010/1/27 Ben Burke ben.bu...@internode.on.net: Rick, Thanks - yes, that will help, though I don't think I'll get close enough to the problem to decide if it's ip communications or a windows dns server issue. (I could do other connectivity tests to the dns servers, same result) I came

Re: [SLUG] debugging dns resolution issues with RES_OPTIONS=debug

2010-01-26 Thread Rodolfo Martínez
Hi Ben, You can debug most (all?) of the DNS client resolution issues with dig. You can test all the DNS client features, from a simple query to a full transfer zone. Regards Rodolfo Martínez Dirección de Proyectos Aleux México | http://www.aleux.com On Tue, Jan 26, 2010 at 5:04 PM, Ben

Re: [SLUG] debugging dns resolution issues with RES_OPTIONS=debug

2010-01-26 Thread Ben Burke
Thanks Rodolfo, Yes, I know about dig. But the problem I'm having appears to be failure of dns server to respond, or a communications problem with dns server(s) The problem I'm having is intermittent. I have a number of cron jobs that fail occasionally, failing to resolve a host name. The