A newer named.cache is available, from December 1, 2015, see bug url. Announcement: http://h.root-servers.org/renumber.html Please bump net-dns/bind/files/named.cache in distfiles. Thank you! Reproducible: Always
Fixed via 7b86453f35d4dcda7dacf9d3d3768bef4c5ad995 / in 9.10.3_p2. Thanks!