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Network Analysis - DNS Zone Transfer Leak
Mission
An unauthenticated DNS zone transfer (AXFR) against a misconfigured authoritative server was captured. Download the packet capture (traffic.pcap), analyze the TXT records in the transferred internal zone, and recover the flag.
Not started
Hints
Hint 1Show
AXFR runs over TCP/53; dns.qry.type == 252 is the zone-transfer request
Hint 2Show
Enumerate the TXT records in the response; SPF/DMARC/google-site-verification are decoys
Hint 3Show
The value of the _admin-note.corp.internal TXT record is the flag