Search Again: Re: PTR records required? From: Men & Mice Support Date: Thursday, December 2, 1999 Time: 1:40:00 pm At 5:05 PM -0600 12/1/99, Jim Edmondson wrote: >Is it a requirement in the RFCs that DNS records have a associated PTR >record and that a reverse lookup be possible? > >We have our mail server perform a reverse lookup on incoming connections >to try and filter SPAM. Works great but is sure seem that a lot of sites >do not have a correctly configured DNS. Makes me wonder if it is a >recommendation or a requirement. Recommendation, according to the RFC's. We've found that reverse records are the biggest source of problems on the net. Many people don't realize that, for example, the reverse zone is not automatically delegated along with their domain, and that they have to work out a solution with their provider. ____________________________________________________________________ Chris Buxton cbuxton@menandmice.com Men & Mice http://www.menandmice.com Makers of: QuickDNS Pro

Messages In This Thread: PTR records required? by Jim Edmondson on Dec 1, 1999 at 11:05:00 pm Re: PTR records required? by Men & Mice Support on Dec 2, 1999 at 1:40:00 pm Re: PTR records required? by Noah Price on Dec 4, 1999 at 9:23:00 pm Re: PTR records required? by Men & Mice Support on Dec 5, 1999 at 8:08:00 pm