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In CYGWIN when using 

dig www.serveralias.com +short

I receive the following answer:

www.servername.com
10.10.10.10

So far, so good. Now I am running

dig 10.10.10.10 +short

and receive nothing. When running 

dig 10.10.10.10

without +short I only see information regarding query time, root name servers, etc.

My question is: How to use a dig-command (alternatively host or nslookup) to get CNAME and A-record returned when querying via IP address knowing that a recursive pointer exist?

Tia

Joey
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1 Answers1

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It looks like you have missed the -x option to dig. With that, dig will take an IP address and auto-generate the correct in-addr.arpa or ip6.arpa PTR query for you.

Note that actually asking for 10.10.10.10 will not give you a useful answer, since that is an RFC1918 address, but I assume you only used that as an example.

Calle Dybedahl
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