bug#47431: Process Whois connection broken by remote peer.

[Gregory Heytings]

> > IOW, without a built-in list, each whois query would create two 
> > requests, one to whois.iana.org, and one to the actual whois server.
>
> That's fine.  The only issue here is whether whois.iana.org is designed 
> for this kind of use -- if not, it might be abusive of Emacs to do this, 
> and we should indeed keep the server list updated in Emacs.

As far as I can see, whois.iana.org is indeed designed for this kind of 
use, and the GNU/Linux whois command even has an option to do this (-I). 
But I'm not 100% sure.  Do you think it's better if I first check this 
with IANA?