Bind updating root hint data file

Ubuntu 18.04 LTS uses systemd-resolve to resolve DNS hostnames. In this section, I will show you how to set your own DNS server as the primary DNS server on Ubuntu 18.04 LTS using systemd-resolve.First, open the configuration file for systemd-resolve with the following command: Now, replace #DNS= with DNS=IP_ADDR as shown in the marked section of the screenshot below.

The Root Trust Anchor, or Key Signing Key, is used by DNSSEC-enabled software to verify the contents of the DNS root zone is valid.Without this entry, zone updates are not allowed at all.The full form of BIND is Berkeley Internet Name Domain is a DNS server software.A DNS server resolves domain names such as to IP addresses such 192.168.2.10.Without DNS server, you would have to type in the IP address directly if you wanted to visit example.com, which is of course very hard to remember.

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