Linux+ QOTW 11-1-05

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You want to find all mail servers for a particular domain but not have to read all of the address records. Which commands can you issue to accomplish your task? Select three answers.

1. nslookup
2. host
3. dig
4. resolver
5. mxlookup
6. search

Answer on Friday.

 

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Well - I'd use
[HIDE] nslookup -type=mx <domain>| less[/HIDE]
simply because thats the way I've always done it. But this may not be what they are looking for!

Harry.

 

This is another QOTW that requires 3 answers.

 

Oops - again!

[HIDE]Well - dig will do it - but I've never managed to make much sense of it's output. Possibly host will do it - I've heard of it but never used it. I'm fairly sure that dig can be made to ignore A records, but no idea about host.[/HIDE]

Sigh - I'm not very good at this after a whole bottle of wine!

Harry.

 

Answer time. Correct answers are 1, 2, and 3.