> Subject: Re: [sf-lug] resolver problem > Date: Tue, 5 Apr 2016 02:44:25 +0000 > If you have nameserver failure, you cannot ping > a domain name, only an IP address. That's not necessarily correct. If the name is resolved, it may be pingable, and resolving a name may not require DNS. See also: resolver (3) nsswitch.conf (5) hosts (5) NIS LDAP ...