Host command timing out sporadically
barmar at alum.mit.edu
Wed May 2 23:05:27 UTC 2012
In article <mailman.655.1335991345.63724.bind-users at lists.isc.org>,
Lyle Giese <lyle at lcrcomputer.net> wrote:
> On 05/02/12 12:12, Paul Marais wrote:
> > Hi,
> > I'm having an issue where my postfix server is having trouble with some
> > lookups.
> > When I type 'host<hostname>', 80% of the time I get decent reply speed, but
> > for 20% I get a 5 second delay, or even a timeout.
> > My nameserver is configured to only allow recursion for hosts on my local
> > network, and I have my ISP dns in my forwarders.
> > My resolv.conf has 127.0.0.1, my internal ip, and the ip for my isp DNS
> > Any help will be greatly appreciated.
> > Thanks
> > Paul
> Don't use host. It's not telling us what is going wrong and it's only
> doing an A record lookup of host name.
I thought host does an A, AAAA, and MX lookup of host names by default;
when given an IP, it converts it to the corresponding IN-ADDR.ARPA name
and does a PTR lookup. Does it also have a similar heuristic for IPv6
More information about the bind-users