nslookup -type=mx Ī sample output could be like this: nslookup -type=mx This determines which mail server handles the email for the domain in question. MX records in DNS specify the mail server settings for the domain name. nameserver = .Īuthoritative answers can be found from: 3. The sample output for Linux Handbook website is: nslookup -type=ns To display just name servers, all you need to do is to specify the type of your nslookup query: nslookup -type=ns Usually, a domain has more than one name server for backup purposes. These name servers store various DNS related records. You can also display just the name servers associated with a domain with nslookup. Mostly it comes from your internet service provider’s name server. It’s because when you use nslookup, the answer is not coming directly from the name server of the server you are querying. It means that the answer you got for your DNS query is coming for a non-authoritative source. In the output of nslookup command, you’ll often notice ‘non-authoritative answer’.
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