[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.



More information about the dns-operations mailing list