The Penetration Tester/OSINT

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DNS[edit | edit source]

WHOIS enumeration[edit | edit source]

whois domain-name-here.com

Perform DNS IP Lookup

dig a domain-name-here.com @nameserver

Perform MX Record Lookup

dig mx domain-name-here.com @nameserver


Perform Zone Transfer with DIG

dig axfr domain-name-here.com @nameserver

DNS Zone Transfers[edit | edit source]

Windows DNS zone transfer

nslookup -> set type=any -> ls -d blah.com

Linux DNS zone transfer

dig axfr blah.com @ns1.blah.com