What Is DNS Foorprinting? – Attackers can gather DNS information to determine key hosts in the network and can perform social engineering attacks.
What Is DNS Foorprinting?
Extracting DNS Information
DNS footprinting, namely Domain Name System footprinting, reveals information about DNS zone data. DNS zone data include DNS domain names, computer names, IP addresses, and much more about a particular network. An attacker uses DNS information to determine key hosts in the network, and then performs social engineering attacks to gather even more information.
DNS footprinting helps in determining following records about the target DNS:
| Record Type | Description |
| A | Points to a host’s IP address |
| MX | Points to domain’s mail server |
| NS | Points to host’s name server |
| CNAME | Canonical naming allows aliases to a host |
| SOA | Indicate authority for domain |
| SRV | Service Records |
| PTR | Maps IP address to a hostname |
| RP | Responsible person |
| HINFO | Host information record includes CPU type and OS |
| TXT | Unstructured text records |
DNS interrogation tools such as DNS STUFF and DNS Records enable user to perform DNS footprinting. DNSstuff extracts DNS information about IP addresses, mail server extensions, DNS lookup, Whois Lookups and so on. It can extract a range of IP addresses utilizing an IP routing lookup. If the target network allows unknown, unauthorized users to transfer DNS zone data, then it is easy for an attacker to obtain the information about DNS with the help of the DNS interrogation tool.
What Is DNS Foorprinting?
When the Attacker queries the DNS server using the DNS interrogation tool, the server then responds with a record structure that contains information about the target DNS. DNS records provides important information about the location and types of servers.
What Is DNS Foorprinting?
DNS Interrogation Tools:
The DNS Lookup tools retrive the DNS records for a specified domain or hostname. These Tools retrive information such as domain and IP addresses, domain Whois records, DNS records, and network Whois record.
Professional Toolset
Source: DNS Stuff
Professional Toolset assists IT Professional with troubleshooting, managing, and configuring the domain and email.
Professional toolset include Domain/WWW tools, IP Tools, Networking Tools, and Email tool that asist with:
- DNS troubleshooting, management and monitoring
- Network administration and troubleshooting
- Email troubleshooting and diagnotics
- Internet/Cybercrime forensics
- Spam combat
- Insight into an IP address
- Internet configuration, connectivity and performance
Some of the DNS Interrogation tools used to extract DNS information include:
Some of the DNS Interrogation tools for use with smartphones include:
- DNS Lookup Tool
- Ping & DNS
- IP Tools
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