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Linux common command host command is a commonly used analysis domain name query tool, which can be used to test whether the domain name system is working properly.

Commonly used query tools for analyzing domain names in host

Syntax host (option) (parameter) option-a: displays detailed DNS information;-c: specifies the query type, default is "IN";-C: queries the complete SOA record of the specified host;-r: does not use recursive query when querying the domain name;-t: specifies the type of domain information to be queried;-v: displays the details of instruction execution. -W: if the domain name server does not give a reply, it will always wait until the domain name server gives an answer;-W: specify the maximum time for the domain name query, and if the domain name server does not give an answer within a specified time, the exit instruction;-4: use IPv4;-6: use IPv6. Parameter host: specifies the host information to be queried.

Example [root@localhost ~] # host www.jsdig.com www.jsdig.com is an alias for host.1.jsdig.com. Host.1.jsdig.com has address 100.42.212.8 [root@localhost ~] # host-a www.jsdig.com Trying "www.jsdig.com";-> > HEADER is the content of this article on "how to use the Linux host command". I believe you all have some understanding. I hope the content shared by the editor will be helpful to you. If you want to know more about it, please follow the industry information channel.

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