RE: Multiple $TTL values

2016-09-22 Thread Woodworth, John R
> This is a common point of confusion. DNS does not transfer > zoneFILES. Zone files are read and converted into the > in-memory tree structure. Zones are sent in wire format > from the in-memory tree. The receiving end populates its > in-memory tree. It can then convert the information to > z

Re: Multiple $TTL values

2016-09-22 Thread Bob Harold
On Thu, Sep 22, 2016 at 3:36 PM, Woodworth, John R < john.woodwo...@centurylink.com> wrote: > Hello, > > > > We’ve recently noticed multiple $TTL values in transferred zonefiles which > do not exist in the original zonefiles. They appear to be aggregates of > TTLs set for individual records and I