> -----Original Message-----
> From: centos-bounces@xxxxxxxxxx [mailto:centos-bounces@xxxxxxxxxx] On
> Behalf Of Anand Buddhdev
> Sent: Tuesday, October 11, 2016 9:28 AM
> To: CentOS mailing list <centos@xxxxxxxxxx>
> Subject: Re: Hint for nslookup wanted ...
>
> On 11/10/16 15:23, Richard Mann wrote:
>
> > Did your google break?
> >
> > For just IPv6
> > nslookup -type=AAAA www.example.com
> >
> > For all records
> > nslookup -type=any www.example.com
>
> This is bad advice, because in DNS, ANY != ALL
As I said: For all records. Reading comprehension can be important.
>
> If you query with qtype=any, and you ask a caching resolver, then it
> will return to you all the records that are in its cache at that time,
> which may or may not include the records you want.
>
> In order to definitively get the A as well as the AAAA records, one
> needs to ask for them specifically:
>
> nslookup -type=AAAA www.example.com
> nslookup -type=A www.example.com
>
> This makes a cache explicitly look up those types of records if it
> doesn't already have them.
>
> Regards,
> Anand
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