I think Scott mentioned a couple days ago that the reverse DNS section was not working correctly all the time.
-- Chris Scott Host Orlando, Inc. http://www.hostorlando.com/ > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]]On Behalf Of Craig Gittens > Sent: Thursday, January 24, 2002 1:32 PM > To: [EMAIL PROTECTED] > Subject: RE: [IMail Forum] How to confirm Reverse DNS is working? > > > Could that be the fact that maybe your DNS server is unreachable > from their > checker? It could be that your DNS server is under load as well. Why don't > you try checking someone elses Reverse entry regularly that isn't > near your > location to see if it really is a case of your server or the web site..... > > Craig :) > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]]On Behalf Of IMail Admin at > BC Web > Sent: Thursday, January 24, 2002 2:04 PM > To: [EMAIL PROTECTED] > Subject: Re: [IMail Forum] How to confirm Reverse DNS is working? > > > If someone else doesn't mention it first, the dnsreport tool, which is > extremely cool and useful, is unreliable in checking reverse > pointers for MX > records. We KNOW we have the reverse pointers configured > correctly, and yet > sometimes dnsreport reports "no reverse pointer." Even odder, it can find > the reverse pointer one day and not the next. > > Ben Bednarz > BC Web > > ----- Original Message ----- > From: "Alan Walters" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Wednesday, January 23, 2002 6:20 PM > Subject: [IMail Forum] How to confirm Reverse DNS is working? > > > > I'm hoping that somebody can help me confirm that my ISP's have setup > Reverse DNS for our Mail > > Server correctly. > > > > Using the neat tool at > http://www.dnsreport.com/tools/dnsreport.ch?domain=roycemedical.com I was > > able to determine that we didn't have a Reverse DNS entry, > which explained > why some of our email > > was being rejected by other servers. > > > > I contacted AT&T, who is the owner of our Managed Internet Service IP > Address Block. They > > responded that since we already had DNS setup by a local > company (Over The > Net, who have been > > hosting our Website prior to us getting AT&T), that OTN should > create the > PTR Record. OTN claimed > > they couldn't legally create a PTR Record which pointed back to an AT&T > Address Block that OTN > > didn't own. > > > > AT&T finally agreed to delegate Authority for our Address Block to OTN's > Name Servers, allowing OTN > > to create a PTR. Now when I use > > > http://www.dnsreport.com/tools/dnsreport.ch?domain=roycemedical.com I get > neither a PASS nor a FAIL > > on the Reverse DNS section. It seems like the test just times > out waiting > for a response. > > > > If I try using http://www.dnsstuff.com/tools/ptr.ch?ip=12.35.200.18 it > responds with: > > > > >How I am searching: > > >Searching for PTR record for 18.200.35.12.in-addr.arpa at > d.root-servers.net: Got referral to > > CMTU.MT.NS.ELS-GMS.ATT.NET. > > >Searching for PTR record for 18.200.35.12.in-addr.arpa at > CMTU.MT.NS.ELS-GMS.ATT.NET.: Reports > > 18.200.35.12.in-addr.arpa. > > > > > >Answer: > > >12.35.200.18 PTR record: 18.200.35.12.in-addr.arpa. [TTL = > 83000 seconds] > > > > > >Details: > > >You have one or more obviously bogus PTR records (pointing to > in-addr.arpa). > > > > What does it mean by 'bogus' PTR? > > > > I also found this 'dig' Website: > > > http://us.mirror.menandmice.com/cgi-bin/DoDig?host=ns1.otn.com&dom ain=roycem edical.com&type=PTR > > But I don't know how to interpret the results? > > Alan Walters > Director of I.T. > Royce Medical > > [Virus and worry-free with Declude] > > > > Please visit http://www.ipswitch.com/support/mailing-lists.html > to be removed from this list. > > An Archive of this list is available at: > http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ > Please visit http://www.ipswitch.com/support/mailing-lists.html to be removed from this list. An Archive of this list is available at: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Please visit http://www.ipswitch.com/support/mailing-lists.html to be removed from this list. An Archive of this list is available at: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Please visit http://www.ipswitch.com/support/mailing-lists.html to be removed from this list. An Archive of this list is available at: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/
