[Pdns-users] Private IP Addresses in DNS Records

[Kevin P. Fleming]

On Fri, May 14, 2021 at 12:42 PM Brian Candler via Pdns-users
<pdns-users at mailman.powerdns.com> wrote:
>
> On 14/05/2021 16:13, Nikolaos Milas wrote:
> > Hmm, probably you mean IPv6 Link-local addresses (rather than GUAs);
> > GUAs are reachable indeed.
> GUAs aren't necessarily reachable: you can have internal ranges that are
> not routed, or blocked by ACLs.  Or he might have meant ULAs.

I have ULAs too, and some of them appear in public DNS records... but
I did mean GUAs, and Brian is right. Those are routable addresses, but
the firewall at the edge of my network will not allow incoming traffic
to those addresses (only replies to outgoing traffic). Thus, they are
not 'reachable'.