On Tue, Mar 31, 2020 at 08:37:30PM +0800,
Tessa Plum wrote
a message of 13 lines which said:
> Another question, in DNS server, how to count how many queries were
> from IPv6 interface, and how many queries were from IPv4 interface?
It depends on the name server. Here, is an example with
On 2020/3/31 8:38 下午, Ondřej Surý wrote:
I know that there's a plethora of DNS RFC (the standards that define
DNS), but perhaps you can start by looking
at the wonderful project that Bert Hubert started - teaching dns -
https://powerdns.org/hello-dns/tdns/intro.md.html
Thank you so much
On 3/31/20 6:29 AM, Tessa Plum wrote:
> When making a DNS query (giving the type is A) to an authorized
> nameserver to its IPv6 address, will the value in answer are also IPv6
> addresses? If the host doesn't have an IPv6 address, how will DNS
> server return?
No, A always means IPv4 address.
Hi Tessa,
welcome to the wonderful world of DNS and to this mailing list.
No, the `A` rrtype query is specifically IPv4 address. The IPv6 addresses
are stored in `` rrtype records.
When `` rrtype does not exist, but the other rrtypes does exist, the
answer is NOERROR + SOA record.
This
On 2020/3/31 8:25 下午, Bob Harold wrote:
The transport (IPv4 or IPv6) that you use to talk to the DNS server
should have no effect on the queries or answers. If you ask for "A"
records, you will get "A" records, which have IPv4 addresses inside the
data. But the data inside the packet has
On Tue, Mar 31, 2020 at 8:16 AM Tessa Plum wrote:
> Hello
>
> Sorry I am newbie to DNS.
>
> When making a DNS query (giving the type is A) to an authorized
> nameserver to its IPv6 address, will the value in answer are also IPv6
> addresses? If the host doesn't have an IPv6 address, how will DNS
Hello
Sorry I am newbie to DNS.
When making a DNS query (giving the type is A) to an authorized
nameserver to its IPv6 address, will the value in answer are also IPv6
addresses? If the host doesn't have an IPv6 address, how will DNS server
return?
Thank you.
Tessa.
