Underscores in host names

Stephane Bortzmeyer bortzmeyer at nic.fr
Wed May 18 07:50:51 UTC 2005


On Wed, May 18, 2005 at 12:11:14AM -0400,
 Steven Champeon <schampeo at hesketh.com> wrote 
 a message of 92 lines which said:

> So, these are *all* non-compliant?

Yes, and you can easily check that the FreeBSD resolver, for instance,
cannot retrieve them (the GNU libc resolver on Linux can).

notux:~ % uname 
FreeBSD
notux:~ % ping Laubervilliers-151_12-16-191.w82-127.abo.wanadoo.fr
ping: cannot resolve Laubervilliers-151_12-16-191.w82-127.abo.wanadoo.fr: Unknown server error

myriam:~ % uname
Linux
myriam:~ % ping Laubervilliers-151_12-16-191.w82-127.abo.wanadoo.fr
PING Laubervilliers-151_12-16-191.w82-127.abo.wanadoo.fr (82.127.31.191) 56(84) bytes of data.
64 bytes from Laubervilliers-151_12-16-191.w82-127.abo.wanadoo.fr
(82.127.31.191): icmp_seq=1 ttl=118 time=49.0 ms




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