FE02 - 100pts

Briefing

We're sure there's a flag at cfta-fe02.allyourbases.co - can you find it?

Solution

  1. 1.
    The provided domain does not resolve to any server. Therefore, the flag must be somewhere in the DNS records. Note that a second version of the challenge does resolve to an IP address hosting a website.
  2. 2.
    The flag is in a TXT record. It can be found with dig like so: dig TXT cfta-fe02.allyourbases.co The TXT record has the value flag=unlimited_free_texts.
  3. 3.
    A public DNS service can be used instead of dig like Google's public DNS.

Flag

unlimited_free_texts
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