HeroCTF v3 2021: Record

Record

Category: Misc

chal

15 points

Can you find anything special about this domain heroctf.fr ?

Format : Hero{}
Author : xanhacks

Solution

dig heroctf.fr TXT

; <<>> DiG 9.16.12-Debian <<>> heroctf.fr TXT
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 42828
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;heroctf.fr.			IN	TXT

;; ANSWER SECTION:
heroctf.fr.		300	IN	TXT	"Hero{cl34rtXt_15_b4d}"
heroctf.fr.		300	IN	TXT	"v=spf1 mx a -all"

;; Query time: 28 msec
;; SERVER: 62.179.1.62#53(62.179.1.62)
;; WHEN: nie kwi 25 21:15:53 CEST 2021
;; MSG SIZE  rcvd: 102

Flag

Hero{cl34rtXt_15_b4d}

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