Hi Sandy, Actually, you did catch something. The section that starts with "Authority". In his email he says "Answer ns0.xname.org" which I take to mean that he is getting that authorotative response from nso0.xname.org and not ns1.xname.org as you assume below. Which doesn't make sense to me because I just ran the DNSStuff tool against ns0.xname.org and came up with the correct results.
ns0.xname.org. [188.8.131.52] (124ms) Response from ns0.xname.org. [184.108.40.206] Results found: 8 Domain Type Class TTL Response time Answer Answer section: bcwebhost.net. NS IN 43200 124ms ns1.twisted4life.com. bcwebhost.net. NS IN 43200 124ms ns2.xname.org. bcwebhost.net. NS IN 43200 124ms bcw4.bcwebhost.net. bcwebhost.net. NS IN 43200 124ms ns0.xname.org. Additional section: ns0.xname.org. A IN 600 124ms 220.127.116.11 ns2.xname.org. A IN 600 124ms 18.104.22.168 bcw4.bcwebhost.net. A IN 43200 124ms 22.214.171.124 ns2.xname.org. AAAA IN 600 124ms 2a01:e0b:1:64:240:63ff:fee8:6155 And those servers all report the correct NS records, as well as all the gtld servers report the correct results. So how did he get bad results? Thanks, Ben ----- Original Message ----- From: Sanford Whiteman To: Declude.JunkMail@declude.com Sent: Tuesday, November 27, 2012 4:36 PM Subject: Re: [Declude.JunkMail] Fw: Deciphering Comcast reply on weird DNS stuff > In the end, he seems to be saying that we have a name server > giving wrong results, which would make sense, except I can't figure > out which name servers he's referring to. You'll see below where he > says "the NS0 name server points to NS1 and that will point to > mail2.bcwebhost.net and your incorrect IP address," and I don't see > that, do you? No. He's so far up his own... something... that he's decided upfront that it cannot be his problem, so he is willfully misreading the actual results. Look at this, from his message: > Authority: > xname.org. 600 NS ns2.xname.org. > xname.org. 600 NS ns3.xtremeweb.de. > xname.org. 600 NS ns0.xname.org. > xname.org. 600 NS ns1.xname.org. He claims to be getting this information from ns1.xname.org. I'm sure he is. The question is WHY he is querying ns1.xname.org, since it does not appear in the parents at gtld-servers.net nor in any NS records returned by your NSs. I think you may have a chicken-egg situation where he is actually using a broken server to check for brokenness! Tell him this: at *..gtld-servers.net, your NSs are NS-record for bcwebhost.net: DNS server = bcw4.bcwebhost.net TTL = 172800 (2 days) NS-record for bcwebhost.net: DNS server = ns1.twisted4life.com TTL = 172800 (2 days) NS-record for bcwebhost.net: DNS server = ns0.xname.org TTL = 172800 (2 days) NS-record for bcwebhost.net: DNS server = ns2.xname.org TTL = 172800 (2 days) *AND* querying each of those NSs directly, the same list of NSs appears. Ask him if he differs with this. He can't. So why would ns1.xname.org even be on his mind? Why would he be hitting this server at all? Answer: he is not actually digging directly into your servers, but trusting his own, broken server. Which means he is not testing properly. What server is he using, anyway (never mind "non-Comcast tools")? Now, I grant you, his server wouldn't be "broken" per se if you had set, say, a 30-day TTL somewhere. That would be your fault. But we don't see that, or at least we can't see it anywhere in his results. > Do you see where in the stuff below it says that ns0 is getting its > results from ns1? The IP of ns1 is 126.96.36.199 and for ns0 it's > 188.8.131.52. No, and I don't even know what it would mean to be "getting its results from ns1." ns0 is returning authoritative results. As you said, he seems to be willfully making no sense: "getting its results from" is useless nonsense. Which is weird because in certain ways he seems to know what he's talking about. > At any rate, unless ns0 is really linked to ns1 as this guy claims, > then I don't see how ns1 is relevant. It isn't relevant. It isn't in the picture. If it's in the picture for him, he's not testing with working servers. > This is a subdomain > “ANYTHING.DOMAIN.TLD” is a subdomain and your mail.bcwebhost.net > subdomain should NOT have its own MX record. > Answer: > mail.bcwebhost.net. 43200 A 184.108.40.206 > mail.bcwebhost.net. 43200 MX 0 mail.bcwebhost.net. There is absolutely nothing wrong with this setup and I wish you could make this Spencer Jones idiot publish this claim in a DNS-centric place where he will be shamed (as opposed to a pretty dormant ML). 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