Function: run-dig

run-dig is an autoloaded, interactive and byte-compiled function defined in net-utils.el.gz.

Signature

(run-dig HOST &optional NAME-SERVER)

Documentation

Look up DNS information for HOST (name or IP address).

Optional argument NAME-SERVER says which server to use for DNS resolution. Interactively, prompt for NAME-SERVER if invoked with prefix argument.

This command uses dig-program for looking up the DNS information.

Probably introduced at or before Emacs version 26.1.

Key Bindings

Source Code

;; Defined in /usr/src/emacs/lisp/net/net-utils.el.gz
;;;###autoload
(defun run-dig (host &optional name-server)
  "Look up DNS information for HOST (name or IP address).
Optional argument NAME-SERVER says which server to use for
DNS resolution.
Interactively, prompt for NAME-SERVER if invoked with prefix argument.

This command uses `dig-program' for looking up the DNS information."
  (interactive
   (list (read-from-minibuffer "Lookup host: " (net-utils-machine-at-point))
         (if current-prefix-arg (read-from-minibuffer "Name server: "))))
  (let ((options
         (append dig-program-options (list host)
                 (if name-server (list (concat "@" name-server))))))
  (net-utils-run-program
   "Dig"
   (concat "** "
	   (mapconcat #'identity
		      (list "Dig" host dig-program)
		      " ** "))
   dig-program
   options)))