[TriLUG] Reverse DNS

[Joseph S. Tate]

Reverse DNS entries have to be entered by the owners of the IP block.
 Contact your ISP for PTR records.


On Wed, Apr 17, 2013 at 6:34 AM, Brian McCullough <bdmc at bdmcc-us.com> wrote:

> I should have asked for help earlier, but "better late than never."
>
>
> I am helping a friend with his domain, and he has just had to change
> ISPs, so all the IPs have changed.
>
> We seem to have good NS records, good A and MX records, because I can
> use "host" to look up all of his public machines.
>
> I have created a reverse file with PTR records for all of the allocated
> IPs in the range, and I can use host to get a good response for those,
> or at least I think it's a good response.  At least it resolves to
> something.
>
> However, certain mail hosts, and even web tools, say that there are no
> reverse DNS records to be found.
>
>
> What might I have done wrong, and how might I fix it?
>
> I will be happy to share examples.
>
>
> Thanks,
> Brian
>
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-- 
Joseph Tate