Contents
Text
for i in `ls`; do echo $i; done
Bind and subdomains
https://serverfault.com/questions/606291/can-one-server-do-dns-for-a-domain-and-a-subdomain
Knot and logging
https://jpmens.net/2017/09/11/dns-query-response-logging-with-dnstap/
Flush the big DNS systems
https://developers.google.com/speed/public-dns/cache
https://1.1.1.1/purge-cache/
https://cachecheck.opendns.com/