78 lines
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2.2 KiB
Text
78 lines
No EOL
2.2 KiB
Text
= nslookup commands cheat sheet
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:homepage: https://github.com/yuriskinfo/cheat-sheets
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:toc:
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NOTE: All the commands below are for the Interactive mode.
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[cols=2, options="headers"]
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|===
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|Command
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|Description
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|*nslookup*
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|Enter the interactive mode. The nslookup prompt `>` opens.
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|*set all*
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|Show current settings for the session, useful to show what the `nslookup` is actually going to do on the next query.
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|*set ty=_Record-type-to-query-for_*
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|Sets the record `type` you want to query. E.g. `set ty=MX` - all following queries will ask for MX record only, until changed again with `set ty=...`. Available types A, AAAA, MX, TXT, SOA, CNAME, etc. as per DNS protocol.
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|*_domain_*
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|Query the domain _domain_ for the value of the record type set previously via `set ty=...` or A record by default.
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|*server [_IP-address-of-alternative-DNS-server_]*
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a|Run by itself, `server` prints DNS server(s) currently set and used for resolving. Change the DNS server to query by specifying IP address of the server, e.g.
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----
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> server 8.8.8.8
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Default server: 8.8.8.8
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Address: 8.8.8.8#53
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----
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|*set debug/nodebug*
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|Enable verbose output of what the `nslookup` is actually doing (*debug*), or disable *nodebug* (default). Shows what server is being queried, additional records, whether the server is authoritative or not.
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|*IDN_DISABLE*
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a|Environment variable, if not set (default) enables querying IDN names, e.g.:
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----
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> set ty=A
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> рег.рф
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Server: 8.8.8.8
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Address: 8.8.8.8#53
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------------
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QUESTIONS:
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рег.рф, type = A, class = IN
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ANSWERS:
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-> рег.рф
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internet address = 194.58.116.37
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ttl = 21600
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AUTHORITY RECORDS:
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ADDITIONAL RECORDS:
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------------
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Non-authoritative answer:
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Name: рег.рф
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Address: 194.58.116.37
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----
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|*set port=_N_*
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|Set port different from 53 on the remote DNS server. NOTE: `nslookup` does NOT support DOT/DOH protocols, only plain old clear text DNS.
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|*exit*
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|Leave `nslookup` interactive mode to the command line of terminal.
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|WINDOWS only:
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*ls -d* _domain-name_
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|Try to do AXFR zone transfer from the configured DNS server. If works and unintended - serious security risk. Linux version of nslookup does NOT have this option. E.g. `ls -d yurisk.info`.
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|=== |