[dns-operations] about the underline in hostname

[wbrown at e1b.org]

Jim Reid <jim at rfc1035.com> wrote on 05/29/2014 02:30:58 PM:

> I believe this was a limitation of the (pre?) NCP-era ARPANET and 
> may well have been a side-effect of the capabilities of operating 
> systems from that era. See RFCs 226 and 229.

Interesting reading.  I bet Site 1 was quite popular:

--- quoting RFC 229 ---
Site                  Standard Name              Alternate Name
----                  -------------              --------------
1                     UCLA-NMC                     SEX
--- end quote ---






Confidentiality Notice: 
This electronic message and any attachments may contain confidential or 
privileged information, and is intended only for the individual or entity 
identified above as the addressee. If you are not the addressee (or the 
employee or agent responsible to deliver it to the addressee), or if this 
message has been addressed to you in error, you are hereby notified that 
you may not copy, forward, disclose or use any part of this message or any 
attachments. Please notify the sender immediately by return e-mail or 
telephone and delete this message from your system.