[dns-operations] *.cn A wildcard

Chris Thompson cet1 at cam.ac.uk
Mon Oct 26 19:58:08 UTC 2009

On Oct 26 2009, Francisco Arias wrote:

>If you try an IDN there seems to be expansion

Yes - nice call.

The rule seems to be that the second level component has to start "xn--"
for wildcard expansion to occur. Valid Punycode after that is not required.

And of course they have failed to apply this hack to ns.cernet.net.

Chris Thompson               University of Cambridge Computing Service,
Email: cet1 at ucs.cam.ac.uk    New Museums Site, Cambridge CB2 3QH,
Phone: +44 1223 334715       United Kingdom.

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