djbdns / tinydns Record Builder
https://andersbrownworth.com/projects/sysadmin/djbdnsRecordBuilder/
https://www.fehcom.de/ipnet/djbdnscurve6/man/tinydns-data.8.html
https://toolbox.googleapps.com/apps/dig/#SOA/yp.to
https://cr.yp.to/djbdns/tinydns-data.html