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The Domain Name System (DNS) plays a key role in the Internet today as it allows applications to use fully qualified domain names (FQDN) instead of IPv4 or IPv6 addresses. When using the DNS, it is important to remember the role of the different types of DNS records.
`type` is the type of DNS record that is requested by the query such as `NS` for a nameserver, `A` for an IPv4 address, `AAAA` for an IPv6 address, `MX` for a mail relay, ...
dig_ also contains some additional parameters and flags that are described in the man page. Among these, the `+trace` flag allows to trace all requests that are sent when recursively contacting DNS servers.
When run without any parameter, `dig` queries one of the root DNS servers and retrieves the list of the names of all root DNS servers. For technical reasons, there are only 13 different root DNS servers. This information is also available as a text file from http://www.internic.net/zones/named.root. What are the IPv6 addresses of all these servers?
Assume now that you are residing in a network where there is no DNS resolver and that you need to perform your query manually starting from the DNS root.
Use `dig` to send a query to one of these root servers to find the IPv6 address of the DNS server(s) (NS record) responsible for the `org` top-level domain
