On Fri, Jan 20, 2017 at 10:57 AM, Ron Wingfield <ron.wingfi...@archaxis.net> wrote:
> I am having difficulty configuring reverse DNS. This has been a problem > for over a year between my server(s) and my ISP, AT&T. Specifically, I > cannot eMail to any recipient that requires rDNS verification, e.g., > SBCglobal.net, Comcast.net, or AOL. Very frustrating. > > Two examples of dig: > > # dig -t mx alpha.archaxis.net > ANSWER: 0, AUTHORITY: 1, > > Why does this first example, digging the FQDN of alpha.archaxis.net > reports one authority but no answers? > > # dig -t mx archaxis.net > ANSWER: 2, AUTHORITY: 0, > > . . .yet this second example. digging the FQDN of archaxis.net reports no > authority but 2 answers? > > (The) ;; ANSWER SECTION: (of both examples) reports: > archaxis.net. 10800 IN MX 30 bravo.archaxis.net. > archaxis.net. 10800 IN MX 20 alpha.archaxis.net. > > In both cases, the reported server is an AT&T server ;; SERVER: > 68.94.157.9#53 > . . .why shouldn’t this “point” to my server, 162.202.233.81 and not > AT&T’s? > Just to clear up the confusion on this point: dig is telling you that "SERVER: 68.94.157.9#53" is the DNS resolver that your computer used to answer the DNS question. That server is not part of the answer to the question. > > I have coded my BIND 9 in-addr.arpa zone file as follows: > > $ORIGIN 233.202.162.in-addr.arpa. > $TTL 3h > @ IN SOA ns1.archaxis.net. me.archaxis.net. ( > 2017012002 <(201)%20701-2002> ; Serial > 1h ; Refresh > 1h ; Retry > 1h ; Expire > 1h ) ; Negative cashing TTL > > 3600 IN NS ns1.archaxis.net. > 3600 IN NS ns2.archaxis.net. > > 80 3600 IN PTR network.archaxis.net. > 81 3600 IN PTR alpha.archaxis.net. > 82 3600 IN PTR bravo.archaxis.net. > 87 3600 IN PTR broadcast.archaxis.net. > > What is wrong? Is this my problem, or with AT&T? > -- Bob Harold
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