scripts/hostmap-bfk.nse broke - required www.bfk.de file is HTTP 404

[mavensecurity]

http://www.bfk.de/bfk_dnslogger_en.html says:

"Passive DNS replication
Due to the EU GDPR policy, this service has been shut down until further notice."

Reproduce:
$ nmap --script-trace -p53 --script hostmap-bfk 8.8.8.8