hostname FQDN

[thufir]

On Fri, 12 Feb 2016 10:27:37 +0000, Colin Law wrote:

> On 12 February 2016 at 10:12, thufir <hawat.thufir at gmail.com> wrote:
>> Why does the --all-fqdns return an empty line?
> 
> From man page
>        -A, --all-fqdns
>               Displays  all  FQDNs  of the machine. This option
> enumerates all configured network
>               addresses on all configured network interfaces, and
> translates them to  DNS  domain
>               names. Addresses that cannot be translated (i.e. because
> they do not have an appro‐
>               priate reverse IP entry) are skipped. Note that
> different addresses may resolve  to
>               the  same name, therefore the output may contain
> duplicate entries. Do not make any
>               assumptions about the order of the output.
> 
> Note the bit about skipping.  Is that the answer?


reverse IP entry would mean DNS?  That because the FQDN doesn't resolve (?
), therefore it's skipped?  Also, there are, IIRC, "A" and "MX" records, 
as well.



thanks,

Thufir