This command describes how you can use the nslookup command to perform DNS lookups in Linux. The NSLOOKUP command is used to query name servers so that you can locate information about network nodes, examine the contents of a name-server. D’autres commandes comme host et nslookup (déprécié) peuvent fournir, entre de bonnes mains, le même genre d’informations. Dig a l’avantage (ou.

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The non-interactive mode allows you to print just the name and requested information for a host or domain. The class specifies the protocol group of the information. Read more about Ramesh Natarajan and the blog. This clmmande bring you to a special command prompt where you can use commands to perform any of the operations listed above.

10 Linux nslookup Command Examples for DNS Lookup

The interactive mode The interactive mode lz entered by typing the nslookup command without any arguments: When a request is sent and nslkokup timeout period expires for a response, the request is resent until the value specified has been exceeded. The format of the Address reverses the components of a typical IP address and generates a pointer type PTR query to the name server for the in-addr.

When you send email to a domain, for example ” microsoft. There are other commands you can run from Interactive Mode; see Interactive Commands below for a list.

The NSLOOKUP command is used to query name servers so that you can locate information about network nodes, examine the contents of a cpmmande database, or establish the accessibility of name servers. This is the server our system is configured to use to translate domain names into IP addresses.


Sign up or log in Sign up using Google. PTR A pointer to another part of the domain name space. This commance commonly occurs with ls and finger requests. Specify the type of the information to be returned in response to your query.

Non-interactive mode is used when the name or Internet address of the host to be looked up is given as the first argument which can be preceded by options. Your domain server will respond with the current information it has about that host, and it will be displayed on your terminal screen.

The default is nodebug. Refused The DNS name server refused to service the request. Our name server returned two entries, No response from server No DNS name server is running on the server computer.

Following are some tips about working in interactive mode: Advanced users may need to examine more closely the details of the query transaction. Output will resemble the following:.

The following table lists possible error messages. I will be posting instruction guides, how-to, troubleshooting tips and oa on Linux, database, hardware, security and web.

Linux nslookup command

Tank You very much for this wonderfull post! Enables you to print the current values of the internal state variables. Sets commmande class of information returned by queries.

If the lookup request contains at least one period but doesn’t end with nslookuo trailing period, append the domain names in the domain search comjande to the request until an answer is received.

Change the default server to domain ; lserver uses the initial server to look up information about domainwhile server uses the current default server.

You can also simply drop me a line to say hello!. A A host address the default. Always use a virtual circuit when sending requests to the server. For example, to change the default query type to host information, and the initial timeout to 10 seconds, type:.


Windows 2008/2012 DNS Nslookup request timed out // Default server: Unknown Address: ::1

Perform a reverse lookup of the Nelookup address So if there were another exchanger with the prefix 5that server would take precedence over the server listed here. The command-line length must be less than characters.

You can specify a cimmande DNS to query, however, by specifying it on the command line. They later reversed this decision, but it’s important to note that host and dig can provide you with the same functions as nslookupat a somewhat higher level of industry acceptance. It is also used to troubleshoot DNS related problems.

Valid values for Class are as follows: The default is recurse. Thanks for the details, is there any option in nslookup to use specific interface for DNS. This applies when the set and the lookup request contain at least one period, but do not end with a trailing period. DNS on Windows Error message Description timed out The server did not respond to a request after a certain amount of time and a certain number of retries.

To look up a host not in the current domain, append a period to the name.

If host is a name and does not have a trailing period, the search list is used to qualify the name. The value may be one of the following, in upper or lower case: Email Required, but never shown.