On Wed, 21 Nov 2018 at 21:31, Mark Andrews <[email protected]> wrote:

>
> --
>

Net::DNS has offered this information for many years in the form of
comments,
which avoids a disaster if inadvertently ingested by a parser.

$packet->print;

;; HEADER SECTION
;;    id = 51343
;;    qr = 0    aa = 0    tc = 0    rd = 0    opcode = QUERY
;;    ra = 0    z  = 0    ad = 0    cd = 0    rcode  = NOERROR
;;    qdcount = 1    ancount = 0    nscount = 0    arcount = 1
;;    do = 0

;; QUESTION SECTION (1 record)
;; query.example.    IN    A

;; ANSWER SECTION (0 records)

;; AUTHORITY SECTION (0 records)

;; ADDITIONAL SECTION (1 record)
; hmac-sha1.example.    TSIG
;    algorithm:    HMAC-SHA1
;    time signed:    1542837913    fudge:    300
;    signature:    364892b4af8d131a647157838c541d2606d30be4
;    original id:    51343
;            NOERROR


--Dick
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