${header}

$ORIGIN die-brontosaurier-waren-es.org.

; ends up on rx300.kunbox.net
@               IN  A       31.47.232.106
                IN  AAAA    2a00:f820:528::2
                IN  MX      10 rx300.kunbox.net.
                IN  TXT     "v=spf1 mx ~all"