tldr/pages/linux/resolvectl.md

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:

resolvectl query {{ip_address}}

• Retrieve an MX record of domain:

resolvectl --legend={{no}} --type={{MX}} query {{domain}}

• Resolve an SRV record, for example _xmpp-server._tcp gmail.com:

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

• Retrieve the public key from an email address from an OPENPGPKEY DNS record:

resolvectl opengpg {{email}}

• Retrieve a TLS key:

resolvectl tlsa tcp {{domain}}:443