Reconnaissance / Enumeration

DNS lookups, Zone Transfers & Brute-Force

whois domain.com
dig {a|txt|ns|mx} domain.com
dig {a|txt|ns|mx} domain.com @ns1.domain.com
host -t {a|txt|ns|mx} megacorpone.com
host -a megacorpone.com
host -l megacorpone.com ns1.megacorpone.com
dnsrecon -d megacorpone.com -t axfr @ns2.megacorpone.com
dnsenum domain.com
nslookup -> set type=any -> ls -d domain.com
for sub in $(cat subdomains.txt);do host $sub.domain.com|grep "has.address";done