312-50V13 · Question #86
Which of the following tools can be used to perform a zone transfer?
The correct answer is A. NSLookup C. Dig D. Sam Spade E. Host. This question identifies various tools capable of performing a DNS zone transfer, which is the process of replicating DNS database files between DNS servers.
Question
Options
- ANSLookup
- BFinger
- CDig
- DSam Spade
- EHost
- FNetcat
- GNeotrace
How the community answered
(20 responses)- A90% (18)
- B5% (1)
- F5% (1)
Why each option
This question identifies various tools capable of performing a DNS zone transfer, which is the process of replicating DNS database files between DNS servers.
NSLookup is a command-line tool that, in interactive mode, can perform zone transfers using commands like 'ls -d'.
Finger is a protocol and program for obtaining information about users on a system, not for DNS operations.
Dig (Domain Information Groper) is a flexible command-line tool widely used for querying DNS servers, and it explicitly supports zone transfers using the 'axfr' query type (e.g., dig axfr @nameserver domain.com).
Sam Spade is a suite of network tools for Windows that includes functionality to perform DNS lookups and zone transfers.
Host is a simple utility for performing DNS lookups, and it can perform zone transfers using the '-T' option (e.g., host -T domain.com nameserver_ip).
Netcat is a general-purpose networking utility for reading from and writing to network connections, not specifically designed or commonly used for DNS zone transfers.
Neotrace is a network utility primarily used for tracing routes to network hosts, similar to traceroute.
Concept tested: DNS zone transfer tools
Source: https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/nslookup-ls
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