resolvectl

Resolve domain names, IPv4 and IPv6 addresses, DNS resource records, and services. Introspect and reconfigure the DNS resolver. More information: https://www.freedesktop.org/software/systemd/man/resolvectl.html.

• Show DNS settings:

resolvectl status

• Resolve the IPv4 and IPv6 addresses for one or more domains:

resolvectl query {{domain1 domain2 ...}}

• Retrieve the domain of a specified IP address:

resolvectl query {{ip_address}}

• Flush all local DNS caches:

resolvectl flush-caches

• Display DNS statistics (transactions, cache, and DNSSEC verdicts):

resolvectl statistics

• Retrieve an MX record of a domain:

resolvectl --legend {{no}} {{[-t|--type]}} {{MX}} query {{domain}}

• Resolve an SRV record, for example xmpp-server.tcp gmail.com:

resolvectl service _{{service}}._{{protocol}} {{name}}

• Retrieve a TLS key:

resolvectl tlsa tcp {{domain}}:443