Re: DNS PTR Question

2010-02-24 Thread Tim
On Wed, 2010-02-24 at 08:11 -0800, Daniel B. Thurman wrote: > I am trying to get a handle on how to properly > assign DNS PTR records, given these conditions: > > 1) Single machine containing: > a) DNS Server > b) Sendmail Server > > ... > > The problem here is assigning the PTR, since >

Re: DNS PTR Question

2010-02-24 Thread Daniel B. Thurman
On 02/24/2010 01:19 PM, James Wilkinson wrote: > Daniel B. Thurman wrote: >> I am trying to get a handle on how to properly >> assign DNS PTR records, given these conditions: >> >> 1) Single machine containing: >> a) DNS Server >> b) Sendmail Server > >> The problem here is assigning the P

Re: DNS PTR Question

2010-02-24 Thread James Wilkinson
Daniel B. Thurman wrote: > I am trying to get a handle on how to properly > assign DNS PTR records, given these conditions: > > 1) Single machine containing: > a) DNS Server > b) Sendmail Server > The problem here is assigning the PTR, since > only ONE reverse IP address is allowed. In >

Re: DNS PTR Question

2010-02-24 Thread Tony Nelson
On 10-02-24 11:11:28, Daniel B. Thurman wrote: ... > Why is this a potential problem? > + One that I can think of, is security verification > such as some programs do a reverse IP check to reduce > phishing/spamming? ... FCrDNS only needs the reverse lookup to produce a name that maps to the

Re: DNS PTR Question

2010-02-24 Thread Bruno Wolff III
On Wed, Feb 24, 2010 at 08:11:28 -0800, "Daniel B. Thurman" wrote: > > The problem here is assigning the PTR, since > only ONE reverse IP address is allowed. In > the above case, which will it be, ns1.domain.com > or mx1.domain.com? Discovery led to the last > "scanned" entry, which is mx1.do

Re: DNS PTR Question

2010-02-24 Thread Terry Polzin
On Wednesday 24 February 2010 11:11, Daniel B. Thurman wrote: I'd either cname one address or the other. > I am trying to get a handle on how to properly > assign DNS PTR records, given these conditions: > > 1) Single machine containing: > a) DNS Server > b) Sendmail Server > > > Forward

DNS PTR Question

2010-02-24 Thread Daniel B. Thurman
I am trying to get a handle on how to properly assign DNS PTR records, given these conditions: 1) Single machine containing: a) DNS Server b) Sendmail Server Forward zone contains: == $TTL 172800 @IN SOA ns1.domain.com. admin.domain.com. ( 381