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tldr/pages/common/nslookup.md
Yuri Slobodyanyuk 62c4fba279 nslookup: add page (#1174) 
Non interactive use of nslookup on *nix-like systems: https://linux.die.net/man/1/nslookup
2017-01-24 21:22:44 +00:00

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nslookup

Query name server(s) for various domain records.

  • Query your system's default name server for an IP address (A record) of the domain:

nslookup {{example.com}}

  • Query a given name server for a NS record of the domain:

nslookup -type=NS {{example.com}} {{8.8.8.8}}

  • Query for a reverse lookup (PTR record) of an IP address:

nslookup -type=PTR {{54.240.162.118}}

  • Query for ANY available records using TCP protocol:

nslookup -vc -type=ANY {{example.com}}

  • Query a given name server for the whole zone file (zone transfer) of the domain using TCP protocol:

nslookup -vc -type=AXFR {{example.com}} {{name_server}}

  • Query for a mail server (MX record) of the domain, showing details of the transaction:

nslookup -type=MX -debug {{example.com}}

  • Query a given name server on a specific port number for a TXT record of the domain:

nslookup -port={{port_number}} -type=TXT {{example.com}} {{name_server}}