On Mon, Mar 19, 2018 at 2:00 PM, Artyom Gavrichenkov <[email protected]> wrote:
> On Mon, Mar 19, 2018 at 5:47 PM, Paul Hoffman <[email protected]> > wrote: > > [..] the basic point is that the > > correspondence between a given FQDN (fully qualified domain name) and > a > > given IPv4 address is no longer universal and stable over long > periods." > > IP v. being whatever, 4 or 6, there's a bunch of reasons there's > virtually no correspondence between a given FQDN and a given IP > address nowadays. E.g. CDNs. > > > I think the key part is: "different answers depending on the source of the query." In practice this is done by using either different DNS servers (or processes), or multiple "views" in a DNS configuration. (Is "view" in BIND called something else in other software?) -- Bob Harold
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