DOMAIN INFORMATION GROPER (dig)

Usage:

-axfr = Queries a complete listing of domain records. This attack is named DNS zone transfer.

dig DOMAIN_NAME = Queries A records

+short cuts down the output

dig DOMAIN_NAME MX/SOA/TTL = MX/SOA/TTL records

dig DOMAIN_NAME ANY +noall +answer = Query ALL DNS records

dig -x IP +short = Reverse DNS lookup

dig @8.8.8.8 DOMAIN_NAME.COM ns (Searches for all DNS servers for this domain via google dns)

dig @8.8.8.8 DOMAIN_NAME.COM mx (Searches for all SMTP servers for this domain via google dns)

#### dig @8.8.8.8 DOMAIN_NAME.COM (Similar to a whois search)

Other tools: nslookup, whois