Cybersecurity

Networking II Challenge Submission File

In a Network Far, Far Away!

Make a copy of this document to work in$,$ and then for each mission, add the solution below the prompt. Save and submit this completed file as your Challenge deliverable.

Mission $1$

Mail servers for starwars.com:

sysadmin@vm$-$image$-$ubuntu$-$dev$-1$:~$ nslookup $-$type$=$txt starwars.com

;; Truncated, retrying in TCP mode.

Server: $8\mathrm{.}8\mathrm{.}8\mathrm{.}8$

Address: $8\mathrm{.}8\mathrm{.}8\mathrm{.}8$#$53$

Non$-$authoritative answer:

starwars.com text $=$ "google$-$site$-$verification$=4$WbE$24$gb$\_6$cUVXrWnFJ$\_\_9\_$I$6$dzVBEhlIAQvtZdA$97$U$"$

starwars.com text $="$v$=$spf$1$ include:mail.zendesk.com $?$all"

starwars.com text $=$ "google$-$site$-$verification$=3$qYuZ$0$m$5$YJdjmVslnraXZKQtXmO$\_3$YI$9$wv$6$nCY$1$CPHM$"$

starwars.com text $=$ "google$-$site$-$verification$=$ave$4$Otl$9$BlVJ$0$Zd$2$j$4$GVdJ$4$s$4$brlgM$3$fqPZ$-\_$mM$6$EFY"

starwars.com text $=$ "google$-$site$-$verification$=291$PSk$69$uu$3$M$3$SOrPTBsYGz$8$yvl$16$K$1$ZhbP$6$YMQytxU"

starwars.com text $=$ "google$-$site$-$verification$=$GohBbB$11$BuN$1$VTA$3$oFWu$3$tmiM$\_$pM$4$Bw$\_$nzKAonQmDb$8"$

starwars.com text $=$ "google$-$site$-$verification$=$q$9$DUzemhBxxc$345$W$41$MPTn$3$fzRuQaID$\_5$R$4$GLRSgl$80"$

Explain why the Resistance isn$$t receiving any emails:

starwars.com text $="$v$=$spf$1$ include:mail.zendesk.com $?$all"

The email is being routed through zendesk.com

Suggested DNS corrections:

$[$Enter text here$]$

Mission $2$

Sender Policy Framework $($SPF$)$ of theforce.net:

$[$Enter text here$]$

Explain why the Force$$s emails are going to spam:

$[$Enter text here$]$

Suggested DNS corrections:

View the DNS record from Mission $4.$ The Resistance provided you with a hidden message in the TXT record. Follow the steps included in the message. $]$