XK0-005 · Question #777
An administrator found a suspicious public IP address in a log file. Which of the following commands can be used with the IP address to resolve back to a domain? (Choose two).
The correct answer is A. dig -x D. nslookup. The dig -x command performs a reverse DNS lookup, which takes an IP address and finds the associated domain name. The nslookup command can be used to perform a reverse DNS lookup as well. By providing the IP address to nslookup, it can return the corresponding domain name if a…
Question
An administrator found a suspicious public IP address in a log file. Which of the following commands can be used with the IP address to resolve back to a domain? (Choose two).
Options
- Adig -x
- Bdig
- Cwhois
- Dnslookup
- Etraceroute -n
- Fhostname
How the community answered
(52 responses)- A92% (48)
- B4% (2)
- C2% (1)
- F2% (1)
Explanation
The dig -x command performs a reverse DNS lookup, which takes an IP address and finds the associated domain name. The nslookup command can be used to perform a reverse DNS lookup as well. By providing the IP address to nslookup, it can return the corresponding domain name if a reverse DNS entry
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