This issue is fixed upstream and should appear in the next releases of BIND 9.10 and 9.11, as well as all 9.12 releases.
https://source.isc.org/cgi-bin/gitweb.cgi?p=bind9.git;a=commitdiff;h=cee0d603a3b142df744d94b18cf42f086cdb0ff7 Tony. -- f.anthony.n.finch <d...@dotat.at> http://dotat.at/ - I xn--zr8h punycode Fisher: Southerly veering westerly, 3 or 4, increasing 5 to 7, occasionally gale 8 in north. Slight or moderate, occasionally rough later. Rain later. Good, occasionally moderate.