A network app developer has configured an app to use a particular DNS server in order to test the application against a test database. The developer suspects a DNS issue. Which command could be used to verify a particular domain name?
- ifconfig
- nslookup
- sudo puppet agent -t
- ssh -p 53
Explanation: The nslookup command is used to obtain an IP address for a specific domain name by querying a DNS server. The desired domain name follows the command and optionally the IP address of a particular DNS server.
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