Re: HOW to prevent DNS resolver from going into revert lookup (record of PTR type)?

2015-03-23 Thread Amos Shapira
On 24 March 2015 at 01:57, Lev Olshvang wrote: > Hi Amos, > > > > I managed to persuade our sysadmin to give me permission in AD DNS server > and I put there PTR record. > It should be part of his job - otherwise the PTR records will keep getting out of sync with the A/ records. > > > The

RE: HOW to prevent DNS resolver from going into revert lookup (record of PTR type)?

2015-03-23 Thread Lev Olshvang
Hi Amos, I managed to persuade our sysadmin to give me permission in AD DNS server and I put there PTR record. The question is whether it is possible to confugre nsswitch, or dnsmasq, nscd or other resolver from doing reverse lookup. From: Amos Shapira [mailto:amos.shap...@gmail.com] Sent: Mo

RE: HOW to prevent DNS resolver from going into revert lookup (record of PTR type)?

2015-03-23 Thread Lev Olshvang
Hi Amos, Perhaps I was not clear enough. Yes, I want to prevent client from revert lookup. The client is not my application, It is part of Linux installation in some docs named DNS resolver. It is configured in /etc/nsswitch.conf and then control flow of gethostbyname() does IP lookup and rever

Re: HOW to prevent DNS resolver from going into revert lookup (record of PTR type)?

2015-03-23 Thread Amos Shapira
OK, I think I understand you now. Let's take a step back for a moment - you say that the client fails to resolve IP address back to hostnames and that causes you problems? How about configuring your DNS server to provide the right PTR records? --Amos On 23 March 2015 at 19:13, Lev Olshvang wro