Is there a trend towards _less_ DNSSEC problems, with time? This is not obvious. nasa.gov just botched a key rollover.
The problem (DS to a non-existing key) http://dnsviz.net/d/nasa.gov/U7yzSQ/dnssec/ The current situation (not all name servers agree) http://dnsviz.net/d/nasa.gov/U7zyXQ/dnssec/
