[bug-inetutils] Re: A command to query the libc resolver

[Tanguy Ortolo]

Le mardi 17 août 2010, Tanguy Ortolo a écrit :
> To know the result of that resolution, a software such as host(1) is not
> appropriate, as it would only do DNS resolution. So, as I found no
> software implementing a command-line interface to query the system
> resolver, I coded the attached tool. I called it resolv, that may or may
> not be a good name.

Sorry, I forgot to give some examples.

DNS, IPv4:
$ resolv www.gnu.org
Name: gnu.org
Aliases: www.gnu.org
Address type: inet
Address length: 4
Addresses: 199.232.41.10


DNS, IPv4 and IPv6:
$ resolv www.kame.net
Name: orange.kame.net
Aliases: www.kame.net
Address type: inet
Address length: 4
Addresses: 203.178.141.194

Name: orange.kame.net
Aliases: www.kame.net
Address type: inet6
Address length: 16
Addresses: 2001:200:dff:fff1:216:3eff:feb1:44d7

mDNS, IPv4 and IPv6:
$ resolv tolkien.local
Name: tolkien.local
Aliases:
Address type: inet
Address length: 4
Addresses: 10.100.14.191

Name: tolkien.local
Aliases:
Address type: inet6
Address length: 16
Addresses: fe80::21c:23ff:fe3f:ffbb

Static file, IPv4 and IPv6:
$ resolv localhost
Name: localhost
Aliases: ip4-localhost ip6-localhost ip6-loopback
Address type: inet
Address length: 4
Addresses: 127.0.0.1 127.0.0.1

Name: localhost
Aliases: ip6-localhost ip6-loopback
Address type: inet6
Address length: 16
Addresses: ::1

-- 
Tanguy Ortolo

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