Re: Request reverse dns mapping advice

2016-09-07 Thread Dave Warren
On 2016-09-06 08:01, Bob Harold wrote: I agree with one PTR per IP. But since you have 5 IP's, you can have one PTR record on each, just be sure there is a matching forward "A" record. Your list of 5 names looks good, but only if each service uses the corresponding IP for its outgoing connectio

Re: Request reverse dns mapping advice

2016-09-06 Thread Bob Harold
On Tue, Sep 6, 2016 at 1:39 AM, Dave Warren wrote: > On Mon, Sep 5, 2016, at 09:46, John Levine wrote: > > >1. pick a primary domain from the list of virtual hosts (example2.com) > > >2. use the "real" host name of the server (juvat.example1.com) > > >3. the mail server name (mail.example1.com

Re: Request reverse dns mapping advice

2016-09-05 Thread Dave Warren
On Mon, Sep 5, 2016, at 09:46, John Levine wrote: > >1. pick a primary domain from the list of virtual hosts (example2.com) > >2. use the "real" host name of the server (juvat.example1.com) > >3. the mail server name (mail.example1.com) > >4. the dns server name (ns2.example1.com) > >5. anothe

Re: Request reverse dns mapping advice

2016-09-05 Thread Tom Browder
On Monday, September 5, 2016, John Levine wrote: > >1. pick a primary domain from the list of virtual hosts (example2.com) > >2. use the "real" host name of the server (juvat.example1.com) > >3. the mail server name (mail.example1.com) > >4. the dns server name (ns2.example1.com) > >5. anoth

Re: Request reverse dns mapping advice

2016-09-05 Thread John Levine
>1. pick a primary domain from the list of virtual hosts (example2.com) >2. use the "real" host name of the server (juvat.example1.com) >3. the mail server name (mail.example1.com) >4. the dns server name (ns2.example1.com) >5. another domain from the virtual hosts list (example 3.com) Publis

Request reverse dns mapping advice

2016-09-05 Thread Tom Browder
I have two remote servers, one with one IPv4 address, and one with five IPv4 addresses. My ISP will provide reverse mapping for all if I provide the desired rDNS record for each address. The rDNS record for the one-address server is not a problem, but I would appreciate opinions on the choice of