$ORIGIN	.
$TTL	1

; OK
@	CDS	0	0	0	00		; The simplest variant
@	CDS	65535	255	255	00		; Maximal numbers
@	CDS	0	RSAMD5	0	00		; Algorithm mnemonic
@	CDS	0	0	0	01 02 0304	; Hex block with blank spaces between them
@	TYPE59	\# 5 0000000000				; TYPE + Hexadecimal rdata
@	TYPE59	0	0	0	00		; TYPE
@	cds	0	0	0	00		; Type in lower-case

; KO
@	CDS
@	CDS						; Empty rdata
@	CDS	\# 0					; Hex empty rdata
@	CDS	65536	0	0	00		; Key tag overflow
@	CDS	0	256	0	00		; Algorithm overflow
@	CDS	0	0	256	00		; Digest type overflow
@	CDS	0	0	0	0		; Continuous block length must be multiple of 2
@	CDS	0	0	0	00 0		; Continuous block length must be multiple of 2
@	CDS	0	0	0	XX		; Bad hex character
@	CDS	0	0	0			; Missing item