DNS Reconnaissance

DNSRecon

Syntax: dnsrecon -d [DOMAIN]

dnsrecon -d h4cker.org

NSLookup

nslookup [DOMAIN]
nslookup [DOMAIN] [DNS_SERVER]
nslookup [IP]
nslookup
set type=AAAA #set type=[RECORD_TYPE]
server 8.8.8.8 #server [DNS_SERVER]
cisco.com #[DOMAIN]

Dig

dig [DOMAIN]
# dig [DOMAIN] [RECORD_TYPE]
dig cisco.com AAAA #IPv6 records
dig cisco.com MX #MX (Mail Server) records
dig cisco.com NS #Name Server records
# dig [DOMAIN] @[DNS_SERVER]
dig cisco.com AAAA @8.8.8.8
dig cisco.com TXT @8.8.8.8
# dig -x [IP]
dig -x 72.163.5.201

WhoIs

whois cisco.com
whois cisco.com | grep '@cisco.com' #Showing Technical and Administrative Email Contacts
# host [ip address or hostname]
host 72.163.10.1
host hsrp-72-163-10-1.cisco.com

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