addCNameIfAvailable
Dialer
added a check in `addCNameIfAvailable` to ensure the `Dialer` isnot NIL before attempting to fetch DNS data. this prevents potential panics (ex. SIGSEGV) when the `Dialer` is closed due to an interruption. Signed-off-by: Dwi Siswanto <git@dw1.io>
skip-secret-file