Date: Wed, 13 Feb 2008 14:17:25 +1100 From: Edwin Groothuis <edwin@mavetju.org> To: d@delphij.net Cc: freebsd-net@freebsd.org, ume@FreeBSD.org Subject: Re: Strange resolver behavior Message-ID: <20080213031725.GC3957@k7.mavetju> In-Reply-To: <47B25F71.3050005@delphij.net> References: <47B2488D.70707@delphij.net> <20080213015144.GA3957@k7.mavetju> <47B2591D.4000703@delphij.net> <20080213024643.GB3957@k7.mavetju> <47B25F71.3050005@delphij.net>
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On Tue, Feb 12, 2008 at 07:09:37PM -0800, Xin LI wrote: > > Yes, but it is the MX record querying it is complaining about. > Well, so perhaps that they are different problems? > > What I think is a problem is that attempting to resolve > 'ps_other.a.shifen.com' gets "Unknown host", here is a quick testcase: This is the output to ask the A record for it: [~] edwin@k7>dig @ns2.a.shifen.com ps_other.a.shifen.com a ; <<>> DiG 9.3.4-P1 <<>> @ns2.a.shifen.com ps_other.a.shifen.com a ; (1 server found) ;; global options: printcmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 37047 ;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;ps_other.a.shifen.com. IN A ;; ANSWER SECTION: ps_other.a.shifen.com. 1200 IN A 202.108.22.46 ;; Query time: 522 msec ;; SERVER: 220.181.27.59#53(220.181.27.59) ;; WHEN: Wed Feb 13 14:15:41 2008 ;; MSG SIZE rcvd: 55 Status on the sixth line is NOERROR (yay!) This is the output of the MX record: [~] edwin@k7>dig @ns2.a.shifen.com ps_other.a.shifen.com mx ; <<>> DiG 9.3.4-P1 <<>> @ns2.a.shifen.com ps_other.a.shifen.com mx ; (1 server found) ;; global options: printcmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOTIMP, id: 56357 ;; flags: qr aa rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;ps_other.a.shifen.com. IN MX ;; Query time: 523 msec ;; SERVER: 220.181.27.59#53(220.181.27.59) ;; WHEN: Wed Feb 13 14:16:13 2008 ;; MSG SIZE rcvd: 39 Status on the sixth line is NOTIMP. That is the part that host fails on. Edwin -- Edwin Groothuis | Personal website: http://www.mavetju.org edwin@mavetju.org | Weblog: http://www.mavetju.org/weblog/
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