# Section 05: Domain Footprinting

## Whois Footprinting

Large database of whois information, DNS, domain names, name servers, IPs, and tools for searching and monitoring domain names.

Links

* <https://who.is>

## DNS Footprinting

DNS (Domain name system) The Domain Name System (DNS) is the hierarchical and distributed naming system used to identify computers reachable through the Internet or other Internet Protocol (IP) networks.

Links

* <https://en.wikipedia.org/wiki/Domain_Name_System>

## Dig

Extensive web interface to dig for doing online dns lookup / nameserver query.

## Nslookup

nslookup is a network administration command-line tool for querying the Domain Name System to obtain the mapping between domain name and IP address, or other DNS records.

Links

* <https://en.wikipedia.org/wiki/Nslookup>

## Reverse DNS lookup, dnsrecon

DNSRecon is a Python script that provides the ability to perform: Check all NS Records for Zone Transfers.

Links

* <https://github.com/darkoperator/dnsrecon>