[dns-operations] underline in TXT's host

[Stephane Bortzmeyer]

On Fri, Dec 14, 2012 at 04:50:48PM +0800,
 Feng He <fenghe at nsbeta.info> wrote 
 a message of 23 lines which said:

> From RFC 952

It's old, it was not even for the DNS! As I said, read the RFCs about
the DNS (RFC 1035, section 2.3.1 and RFC 2181, section 11).

And pay attention to the difference between host names and domain
names (the example you gave was *not* a host name).