and BIND does

..                      0       ANY     TSIG    hmac-md5.sig-alg.reg.int. 
1542840965 300 16 T1lmN3NSeGQvxA0xXiAL6g== 57713 NOERROR 0 

with hex for the other data if present.

> On 22 Nov 2018, at 9:51 am, Dick Franks <[email protected]> wrote:
> 
> 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
> 

-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742              INTERNET: [email protected]

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