Question and response
Question
dig _acme-challenge.oi.com.br. NS
Answer
_acme-challenge.oi.com.br. 5 CNAME 5834933a-cd44-46bd-8ef6-35dc6153915c.2.authorize.certificatemanager.goog.
Authority
2.authorize.certificatemanager.goog. 60 SOA ns-cloud-c1.googledomains.com. cloud-dns-hostmaster.google.com. 1 21600 3600 259200 60
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0