This cookie is set by GDPR Cookie Consent plugin. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category 'Functional'. The cookie is used to store the user consent for the cookies in the category 'Analytics'. These cookies ensure basic functionalities and security features of the website, anonymously. Necessary cookies are absolutely essential for the website to function properly. It is available on all of the main Operating systems and can be used in interactive and command line mode.ĭNS and Bind Book – The definitive guide. Nslookup is a very handy tool for troubleshooting DNS related network problems. You can find out which name servers are responsible ( authoritative) for a domain by setting the query type to NS and entering the domain name as shown below:Ĭommon Questions Q- Can I use dig instead of Nslookup?Ī– Yes Dig was initially meant to replace nslookup but didn’t. It can retrieve the results from cache, and doesn’t need to contact the authoritative name server. This is nothing to worry about as all it means is that the DNS server has already recently resolved this query. You may notice that you get non authoritative answers. To switch to using the open dns server address 208.67.222.222 then go to an interactive prompt and type:Ģ. You can switch DNS servers using server name or server IP address option. By default nslookup will use the domain server that is currently configured for your system.These are probably the most common usage scenarios. To illustrate the use of nslookup we are going to use it to: To use in non-interactive mode type nslookup options at the command prompt. You should get an nslookup command prompt. To use in interactive mode type nslookup at the command line and hit return. Nslookup can be use in interactive and non-interactive mode.

The main use of nslookup is for troubleshooting DNS related problems. It is used for querying the Domain Name System (DNS) to obtain domain name or IP address mapping information. Nslookup is a network administration command-line tool available for many computer operating systems.

External nslookup tool