Download this pcap file containing a DNS query, available on this link:

https://github.com/cnp3/exercises-inginious/raw/main/mcq-pkt-dns-3/dns-trace-31280.pcap

Load this file using Wireshark and answer the question below.


True or False :

  • The trace contains five different queries.
  • The query for the `TXT` record returned an invalid answer.
  • The query for the `TXT` record returned five different records.
  • There are five mail exchanges for the `gmail.com` domain
  • There are two mail exchanges for the `gmail.com` domain
  • There are two different IPv4 addresses associated with `www.google.fr`
  • There is only one IPv6 address associated with `www.google.com`
  • There are two different IPv6 addresses associated with `www.google.com`
  • The `NS` records have a longer Time to Live than the other DNS records retrieve in this trace.
  • All the DNS records retrieved in this trace have the same Time to Live
  • The `MX` records have the same Time to Live as the `TXT` records
  • The `A` and `AAAA` records have the same Time to Live

Última modificación: jueves, 16 de febrero de 2023, 10:43