binder/binder/testdata/db.domain1.local

$ORIGIN domain1.local.
@  1D  IN	 SOA ns1.example.com.	mymail.example.com. (
			      1 ; serial
			      3H ; refresh
			      15 ; retry
			      1w ; expire
			      3h ; minimum
			     )
       IN  NS     localhost. ; in the domain