You need to perform a reverse DNS lookup on an IP you found in a previous scan. How do you determine the domain or hostname associated with it?
Correct Answer: A
Explanation:
1. Open a terminal. 2. Use the command: host 203.0.113.45 3. Alternatively, run: dig -x 203.0.113.45 4. If PTR record exists, it will return the associated domain. 5. Use the resolved domain for further DNS or HTTP-based recon.
Question 2
You are assessing an AWS-hosted web application. How would you perform a DNS lookup to gather basic information about the target domain using command-line tools?
Correct Answer: A
Explanation:
1. Open a terminal. 2. Run: nslookup example.com or dig example.com 3. Observe the returned A records (IPv4), NS records (nameservers), and CNAMEs if any. 4. Use dig ANY example.com to pull additional DNS data in one command. 5. Note down all IPs and hostnames for further recon.
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