A security analyst is reviewing the logs on an organization's DNS server and notices the following unusual snippet: Which of the following attack techniques was most likely used?

The correct answer is C. Footprinting the internal network. A DNS AXFR (zone transfer) is typically used between DNS servers to replicate DNS databases. However, when improperly secured, an attacker can request a zone transfer to enumerate internal resources, which exposes internal IPs and hostnames. This is a footprinting technique - gat

Submitted by fatima_kr· Mar 6, 2026Security Operations

Question

A security analyst is reviewing the logs on an organization's DNS server and notices the following unusual snippet:

Which of the following attack techniques was most likely used?

Exhibit

Options

ADetermining the organization's ISP-assigned address space
BBypassing the organization's DNS sinkholing
CFootprinting the internal network
DAttempting to achieve initial access to the DNS server
EExfiltrating data from fshare.int.complia.org

How the community answered

(30 responses)

A
27% (8)
B
13% (4)
C
53% (16)
D
3% (1)
E
3% (1)

Explanation

A DNS AXFR (zone transfer) is typically used between DNS servers to replicate DNS databases. However, when improperly secured, an attacker can request a zone transfer to enumerate internal resources, which exposes internal IPs and hostnames. This is a footprinting technique - gathering information about the internal structure of the network before launching more targeted

Community Discussion

No community discussion yet for this question.

Full SY0-701 Practice