Berkeley Internet Name Domain (BIND) software suite was updated to version 9.18.x. This version brings the following notable changes, for example:
Support for DNS over TLS and DNS over HTTPS servers. Both authoritative and resolver modes.
Re-work of internal connection handling using the
Remote Name Daemon Control (RNDC) channel does not support Unix sockets.
Support for incoming and outgoing DNS zone transfer over TLS.
Domain Information Groper (dig) utility can send queries using DNS over TLS and DNS over HTTPS.
You can see the full list of changes in the upstream release notes.
For the Cloud, CoreOS, IoT, and Server editions of Fedora, the fallback hostname has been changed to
localhost. The fallback hostname is the hostname that is set if the hostname cannot be determined by any other mechanism (statically set, DHCP, or reverse DNS). This change was made in order to conform to the common expectation that a hostname of
localhost on a system means the hostname is "unset".
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