The bug does not seem to be upstream, with today upstream git
repository, it works:
% src/test/getdns_query @2001:4b98:dc2:43:216:3eff:fea9:41a -s www.bortzmeyer.org
SYNC response:
{
"answer_type": GETDNS_NAMETYPE_DNS,
"canonical_name": <bindata for www.bortzmeyer.org.>,
...