Bob Harold <rharo...@umich.edu> wrote: > > Reading these various ideas brings up a question in my mind. If a server > queries for the SOA of a zone and the serial number has not changed, can it > then assume that all of the entries in its cache for that zone should still > be valid now, and for the their original TTL value starting now?
As well as what Robert said, SOA serial numbers are (basically) only relevant for the zone transfer protocol; if a zone is dynamically synthesized you can expect to get different answers for its contents without its serial number necessarily changing. Tony. -- f.anthony.n.finch <d...@dotat.at> http://dotat.at/ Shannon, Rockall: West or southwest, backing south, 6 to gale 8, increasing severe gale 9 at times, then decreasing 4 or 5 later. Very rough or high, occasionally very high. Occasional rain or showers. Good, occasionally poor. _______________________________________________ DNSOP mailing list DNSOP@ietf.org https://www.ietf.org/mailman/listinfo/dnsop