On May 24 2011, I wrote: [...] >That seems almost certain to be the precipitating event, in fact. >I can produce the same effect for all 31 zones that are both registered >in dlv.isc.org *and* have a DS record in dlv.isc.org: Aaargh ... I meant "*and* have a DS record in de", of course. -- Chris Thompson Email: cet1 at cam.ac.uk