From owner-freebsd-questions Mon Jan 21 13:24: 4 2002 Delivered-To: freebsd-questions@freebsd.org Received: from topaz.mdcc.cx (topaz.mdcc.cx [212.204.230.141]) by hub.freebsd.org (Postfix) with ESMTP id 676C037B400 for ; Mon, 21 Jan 2002 13:23:58 -0800 (PST) Received: from k7.mavetju.org (topaz.mdcc.cx [212.204.230.141]) by topaz.mdcc.cx (Postfix) with ESMTP id 5DD832B69B; Mon, 21 Jan 2002 22:23:51 +0100 (CET) Received: by k7.mavetju.org (Postfix, from userid 1001) id 7FEDB37D; Tue, 22 Jan 2002 08:23:45 +1100 (EST) Date: Tue, 22 Jan 2002 08:23:45 +1100 From: Edwin Groothuis To: Vlado Korcek Cc: freebsd-questions@FreeBSD.ORG Subject: Re: DNS query repeated Message-ID: <20020122082345.F823@k7.mavetju.org> Mail-Followup-To: Edwin Groothuis , Vlado Korcek , freebsd-questions@FreeBSD.ORG References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: ; from vladokorcek@hotmail.com on Mon, Jan 21, 2002 at 05:26:15PM +0000 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Mon, Jan 21, 2002 at 05:26:15PM +0000, Vlado Korcek wrote: > Does anybody have any idea why DNS resolver still repeat his query to DNS > server. > I tried for some test purposes ping6 with the name: > # ping6 Nr-5_v6.my.domain > > I saw in Ethereal that the query from DNS client was sent and response from > DNS server (for PTR type) as well. I don't see this behaviour at all. [~] edwin@k7>ping ftp.netbsd.org PING ftp.netbsd.org (204.152.184.75): 56 data bytes 64 bytes from 204.152.184.75: icmp_seq=0 ttl=244 time=555.729 ms 64 bytes from 204.152.184.75: icmp_seq=1 ttl=244 time=550.002 ms 64 bytes from 204.152.184.75: icmp_seq=2 ttl=244 time=600.225 ms 64 bytes from 204.152.184.75: icmp_seq=3 ttl=244 time=540.254 ms 64 bytes from 204.152.184.75: icmp_seq=4 ttl=244 time=580.276 ms 64 bytes from 204.152.184.75: icmp_seq=5 ttl=244 time=570.234 ms [...] [~] edwin@k7>tcpdump -ni lo0 port 53 tcpdump: listening on lo0 08:21:35.764017 127.0.0.1.2223 > 127.0.0.1.53: 8096+ A? ftp.netbsd.org. (32) 08:21:36.457394 127.0.0.1.53 > 127.0.0.1.2223: 8096* 1/5/8 A 204.152.184.75 (299) [~] edwin@k7>tcpdump -ni tun0 port 53 tcpdump: listening on tun0 08:21:35.764436 203.173.130.76.4062 > 155.53.1.253.53: 28761 A? ftp.netbsd.org. (32) 08:21:36.456656 155.53.1.253.53 > 203.173.130.76.4062: 28761* 1/5/8 A 204.152.184.75 (299) It just stops at that point regarding dns-traffic. Edwin -- Edwin Groothuis | Personal website: http://www.MavEtJu.org edwin@mavetju.org | Interested in MUDs? Visit Fatal Dimensions: ------------------+ http://www.FatalDimensions.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message