[CentOS] how to increase DNS reliability?

[Leon Fauster]

> Am 25.07.2019 um 19:58 schrieb Paul Heinlein <heinlein at madboa.com>:
> 
> On Thu, 25 Jul 2019, hw wrote:
> 
>> On 7/25/19 3:28 PM, Leroy Tennison wrote:
>>> If you don't want multiple DNS server entries on the client
>> 
>> I'm ok with them, only the problem is that the clients take their timeouts
>> when a server is unreachable, and users panic.
> 
> On Linux systems, you can set the timeout in /etc/resolv.conf, e.g.,
> 
> # I think the default nameserver timeout is 5; use rotate
> # option if you prefer round-robin queries rather than
> # always using the first-listed first
> nameserver 10.11.12.13 timeout:2 rotate
> nameserver 10.11.12.14 timeout:2 rotate

IMO such entries are done via "options" ... 

yum install man-pages ; man resolv.conf

--
LF