I would like to know if it\'s possible to get IPv4 and IPv6 addresses with just one invocation of dig?
dig
For example, this gives the IPv4 address:
It may be that this has been added to dig since the question was asked, but for completeness this can be accomplished through the following query:
dig hostname A hostname AAAA +short
Source: http://linux.die.net/man/1/dig -- under the 'Multiple Queries' section