A penetration tester runs the following command: dig @ dns01.comptia.local axfr comptia.local If successful, which of the following types of information would be provided?

Question

Options

• AThe DNSSEC certificate and CA
• BThe DHCP scopes and ranges used on the network
• CThe hostnames and IP addresses of internal systems
• DThe OS and version of the DNS server

• A
  3% (1)
• B
  8% (3)
• C
  86% (31)
• D
  3% (1)

Explanation

The command dig @ns1.comptia.local axfr comptia.local is a command that performs a DNS zone transfer, which is a process of copying the entire DNS database or zone file from a primary DNS server to a secondary DNS server. A DNS zone file contains records that map domain names to IP addresses and other information, such as mail servers, name servers, or aliases. A DNS zone transfer can provide useful information for enumeration, such as the hostnames and IP addresses of internal systems, which can help identify potential targets or vulnerabilities. A DNS zone transfer can be performed by using tools such as dig, which is a tool that can query DNS servers and obtain information about domain names, such as IP addresses, mail servers, name servers, or other records. The other options are not types of information that would be provided by a DNS zone transfer. The DNSSEC certificate and CA are not part of the DNS zone file, but rather part of the DNSSEC protocol, which is an extension of the DNS protocol that provides authentication and integrity for DNS data. The DHCP scopes and ranges used on the network are not part of the DNS zone file, but rather part of the DHCP protocol, which is a protocol that assigns dynamic IP addresses and other configuration parameters to devices on a network. The OS and version of the DNS server are not part of the DNS zone file, but rather part of the OS fingerprinting technique, which is a technique that identifies the OS and version of a remote system by analyzing its responses to network probes.

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