Something wicked happened resolving 'archive.canonical.com:http'

[lister171254]

Since yesterday I cannot update ubuntu as I'm getting errors:

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Ign http://archive.canonical.com raring/partner Translation-en_AU
Ign http://archive.canonical.com raring/partner Translation-en
Fetched 18.9 MB in 32s (574 kB/s)
W: Failed to fetch http://archive.canonical.com/ubuntu/dists/raring/Release.gpg Something wicked happened resolving 'archive.canonical.com:http' (-11 - System error)

W: Failed to fetch http://ppa.launchpad.net/ubuntu-wine/ppa/ubuntu/dists/raring/Release.gpg Something wicked happened resolving 'ppa.launchpad.net:http' (-11 - System error)

E: Some index files failed to download. They have been ignored, or old ones used instead.
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I don't think its dns related as I get fetch the png file

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llist@LeosLinux:~$ wget http://archive.canonical.com/ubuntu/dists/raring/Release.gpg
--2013-10-03 07:36:44-- http://archive.canonical.com/ubuntu/dists/raring/Release.gpg
Resolving archive.canonical.com (archive.canonical.com)... 91.189.92.150, 91.189.92.191, 2001:67c:1360:8c01::16, ...
Connecting to archive.canonical.com (archive.canonical.com)|91.189.92.150|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 933
Saving to: 'Release.gpg’

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Thanks


100%[================================================== ================================================== ========>] 933 --.-K/s in 0s

2013-10-03 07:36:46 (221 MB/s) - 'Release.gpg’ saved [933/933]