Dear DNS operators,you might be interested in information about "DNS flag day" coordinated by open-source DNS vendors and is planned for 2019-02-01
(February 1st 2019).
Further information can be found on https://dnsflagday.net/Please post comments related to content of the web site or similar as Github issues:
https://github.com/dns-violations/dnsflagday I hope you find the information useful. -- Petr Špaček @ CZ.NIC