Linux DNS

Files:

• /etc/hosts
• /etc/resolv.conf
• /etc/systemd/resolved.conf
• /etc/nsswitch.conf
• /etc/network/interfaces

Utilities:

• host
• dig
• getent
• nslookup
• systemd-resolve
• netplan
• systemd-resolve --status

See also

• DNS, DNS files, /etc/hosts, /etc/resolv.conf, /etc/systemd/resolved.conf, /etc/nsswitch.conf
• DNS: Linux DNS, IP, systemd-resolve, /etc/hosts, whois, Domain registrar, dig, host, nslookup, scutil --dns dnsmasq, bind, delv, .local, .internal, .onion, FQDN, TTL, /etc/resolv.conf, /etc/systemd/resolved.conf, dscacheutil (macOS), hostname, hostnamectl, bind, resolvectl status, DNS sinkhole, Domain name server, LLMNR, Resource records:MX, TXT, NS, CAA, SSHFP, Apex, CNAME, Wildcard DNS records, Subdomain, /etc/nsswitch.conf, 1.1.1.1, 8.8.8.8, CoreDNS, dnsPolicy:, Google Public DNS, DNS caches, Kubernetes ExternalDNS, DNS forwarding, IDNA2008, DNS-1035, Domain name registrars, Split-view DNS, Pi-hole, NextDNS, dnsrecon, dig, drill, DNS security

https://askubuntu.com/questions/346838/how-do-i-configure-my-dns-settings-in-ubuntu-server

https://askubuntu.com/questions/346838/how-do-i-configure-my-dns-settings-in-ubuntu-server

http://man7.org/linux/man-pages/man1/systemd-resolve.1.html