RE: Reverse DNS - where is it?

This site http://www.dnsstuff.com/ is great for trouble shooting DNS.  It has a 
reverse dns lookup amongst other things. 

> -----Original Message-----
> From: Jeff Crosby [mailto:jlcrosby@xxxxxxxxxxxxxxxx] 
> Sent: Tuesday, June 22, 2004 9:54 AM
> To: 'Midrange Systems Technical Discussion'
> Subject: Reverse DNS - where is it?
> 
> If this is the wrong forum for this question, please let me know.
> 
> Some time back I asked a question regarding why I couldn't 
> send email to my cell phone (Centennial) from within our 
> office, but could send it from home.
> Never figured it out.
> 
> The Centennial rep just yesterday said it could be that we 
> don't have reverse DNS set up.  I don't know DNS very well 
> but have been in this business long enough to know that I 
> could royally screw things up by not knowing what I am doing.
> 
> 1) We have Verizon DSL.  CFGTCP says the DNS servers are 
> 4.2.2.1 and 4.2.2.2.  The domain is registered at 
> register.com.  At register.com, it says the DNS servers are 
> dns41.register.com and dns42.register.com.  Is this a 
> problem?  Do I need to contact one of these places for 
> reverse DNS to be set up?
> 
> 2) I _can_ send email from within the office if I use web 
> email such as my yahoo or verizon email address.  But I 
> _cannot_ send email from Outlook to my cell phone.
> 
> 3) Ops Nav in DNS area has 'reverse mapping' checked.  There 
> is a "dilgardfoods.com" listed under primary domains, but 
> there is no "mail.dilgardfoods.com" listed under primary 
> domains.  Is this a problem?
> 
> 4) The iseries is behind a firewall.
> 
> Thanks.
> 
> --
> Jeff Crosby
> Dilgard Frozen Foods, Inc.
> P.O. Box 13369
> Ft. Wayne, IN 46868-3369
> 260-422-7531
> 
> The opinions expressed are my own and not necessarily the 
> opinion of my company.  Unless I say so.
> 
> 
> 
> --
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