Date: Thu, 18 May 2023 16:11:02 -0700 From: little.analyst892@aceecat.org To: questions@freebsd.org Subject: Re: sendmail error, "MX list for mydomain.com points back to server.mydomain.com" Message-ID: <36svtlxy3m4kgajgqvgbtwmhj4zxa6bh6kmhips23htiydjfio@2x7m2rfekk25> In-Reply-To: <2f8bca59462afe206043bea73241bbf2@blackfoot.net> References: <303e35e4d89e68dcd9863239dcda568e@blackfoot.net> <fc362386-aabd-618f-4dcd-9be14dbe89a5@heuristicsystems.com.au> <30b97aa95162c163c1781ba1a0fa8e25@blackfoot.net> <A118A90A-14E6-409B-AC25-FE2704A19741@gushi.org> <b427a49877034f7407545744b4446744@blackfoot.net> <15AF7ED7-BBD9-428D-939F-4AA5B349C578@gushi.org> <66db9ba3bd66fcc56affdbf7a2621021@blackfoot.net> <2f8bca59462afe206043bea73241bbf2@blackfoot.net>
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On Thu, May 18, 2023 at 03:36:52PM -0700, vagabond wrote: > sm_gethostbyname(ns.dreamchaser.org, 28)... > ;; res_nquerydomain(ns.dreamchaser.org, <Nil>, 1, 28) > ;; res_query(ns.dreamchaser.org, 1, 28) > ;; res_nmkquery(QUERY, ns.dreamchaser.org, IN, AAAA) > ;; res_send() > ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 19039 > ;; flags: rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0 > ;; ns.dreamchaser.org, type = AAAA, class = IN > ;; Querying server (# 1) address = 127.0.0.1 > ;; new DG socket > ;; got answer: > ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 19039 > ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0 > ;; ns.dreamchaser.org, type = AAAA, class = IN > dreamchaser.org. 10M IN SOA ns.dreamchaser.org. > root.dreamchaser.org. ( > 2023051708 ; serial > 4H ; refresh > 1H ; retry > 1H ; expiry > 10M ) ; minimum > > ;; rcode = (NOERROR), counts = an:0 ns:1 ar:0 > ;; res_nquerydomain(ns.dreamchaser.org, dreamchaser.org, 1, 28) > ;; res_query(ns.dreamchaser.org.dreamchaser.org, 1, 28) > ;; res_nmkquery(QUERY, ns.dreamchaser.org.dreamchaser.org, IN, AAAA) > ;; res_send() > ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 45481 > ;; flags: rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0 > ;; ns.dreamchaser.org.dreamchaser.org, type = AAAA, class = IN > ;; Querying server (# 1) address = 127.0.0.1 > ;; new DG socket > ;; got answer: > ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 45481 > > It's not clear to me what's going on; I don't see any of those function > calls like res_nquerydomain in the code. > Can someone tell me what those are? > > And does the above point a finger anywhere in particular? > > hostname is "ns.dreamchaser.org", set in rc.conf > > dig @127.0.0.1 ns.dreamchaser.org > dig ns.dreamchaser.org > nslookup dreamchaser.org > nslookup ns.dreamchaser.org > > all successfully return the appropriate ip. Not a complete answer, but all these commands look up the IPv4 address (ie. the A record), while the debug output is for the IPv6 (AAAA). -- Ian
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