This relatively short value means that remote DNS resolvers should only cache records retrieved from this ... The first actual record in our sample zone file—or in any normal zone file—is ...

"With this URL, the sample made a request to a DNS server ... and download the Python script payload disguised as TXT records from the DNS server, which would appear as normal requests.

"This technique of requesting DNS records over HTTPS is nothing novel, but it is very clever. Oftentimes DNS filtering is in place on a corporate network, to block access to malicious websites ...

With AAAA, we can define DNS records for IPv6 name resolution as follows ... secv6.your.domain. Listing 1 provides a sample /etc/named.conf configuration. (The secret key is truncated to fit on a line ...