[dns-wg] blackhole-*.iana.org gone ?

Hi, The nameserver on blackhole-[12].iana.org does not seem to reply queries for me. $ dig @blackhole-1.iana.org PTR 1.0.0.10.in-addr.arpa. ; <<>> DiG 8.3 <<>> @blackhole-1.iana.org PTR 1.0.0.10.in-addr.arpa. ; (1 server found) ;; res options: init recurs defnam dnsrch ;; res_nsend: Connection refused I am in AS12859. Is anybody else experiencing this problem ? -- Met vriendelijke groet, BIT BV / Ing P.B. van Pelt PBVP1-RIPE (PGPKEY-4DCA7E5E)