From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jelle Licht Subject: Re: Random domain name resolution errors Date: Fri, 07 Feb 2020 14:36:54 +0100 Message-ID: <87sgjmplhl.fsf@jlicht.xyz> References: <87pneqfs4p.fsf@ambrevar.xyz> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from eggs.gnu.org ([2001:470:142:3::10]:34021) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j03oa-00044D-Qu for help-guix@gnu.org; Fri, 07 Feb 2020 08:37:01 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j03oZ-0001Hs-Na for help-guix@gnu.org; Fri, 07 Feb 2020 08:37:00 -0500 Received: from mail1.fsfe.org ([217.69.89.151]:55136) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1j03oZ-0001D3-Gs for help-guix@gnu.org; Fri, 07 Feb 2020 08:36:59 -0500 In-Reply-To: <87pneqfs4p.fsf@ambrevar.xyz> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-guix-bounces+gcggh-help-guix=m.gmane-mx.org@gnu.org Sender: "Help-Guix" To: Pierre Neidhardt , help-guix@gnu.org Pierre Neidhardt writes: > Hi! > > A strange thing just happened to me: ever since I went to Belgium last > week (don't know if it's relevant) I keep getting domain name resolution > errors. > > For instance right now duckduckgo.com fails but guix.gnu.org works. > > I'm back home now and the issue persists. > > Any clue how to investigate? When I have *some* domain name resolution issues, it usually has something to do with my nscd being a bit too eager caching negative results. Assuming you are using Guix System, does `herd invalidate nscd hosts' help? - Jelle