dig-font-lock-keywords

dig-font-lock-keywords is a variable defined in `dig.el'.
Its value is

(("^;; [A-Z]+ SECTION:" 0 font-lock-keyword-face)
 ("^;;.*" 0 font-lock-comment-face)
 ("^; <<>>.*" 0 font-lock-type-face)
 ("^;.*" 0 font-lock-function-name-face))

• This variable may be risky if used as a file-local variable.

Documentation:
Default expressions to highlight in dig mode.

You can customize this variable.