-Ping depuis le réseau 3 du serveur 2008 (active le ping dans les exceptions du FW)  
?? => mon SRV DNS est sur le réseau 2.
 
Sinon voici le résultat
> server 192.168.53.12
Serveur par dÚfaut :  [192.168.53.12]
Address:  192.168.53.12
 
> set d2
> set type=ANY
> vesinet.alsyon-tech.com
Serveur :  [192.168.53.12]
Address:  192.168.53.12
 
------------
SendRequest(), len 41
    HEADER:
        opcode = QUERY, id = 3, rcode = NOERROR
        header flags:  query, want recursion
        questions = 1,  answers = 0,  authority records = 0,  additional = 0
 
    QUESTIONS:
        vesinet.alsyon-tech.com, type = ANY, class = IN
 
------------
------------
Got answer (141 bytes):
    HEADER:
        opcode = QUERY, id = 3, rcode = NOERROR
        header flags:  response, auth. answer, want recursion, recursion avail.
        questions = 1,  answers = 3,  authority records = 0,  additional = 1
 
    QUESTIONS:
        vesinet.alsyon-tech.com, type = ANY, class = IN
    ANSWERS:
    ->  vesinet.alsyon-tech.com
        type = A, class = IN, dlen = 4
        internet address = 192.168.53.12
        ttl = 600 (10 mins)
    ->  vesinet.alsyon-tech.com
        type = NS, class = IN, dlen = 9
        nameserver = ulysse.vesinet.alsyon-tech.com
        ttl = 3600 (1 hour)
    ->  vesinet.alsyon-tech.com
        type = SOA, class = IN, dlen = 35
        ttl = 3600 (1 hour)
        primary name server = ulysse.vesinet.alsyon-tech.com
        responsible mail addr = hostmaster.vesinet.alsyon-tech.com
        serial  = 215
        refresh = 900 (15 mins)
        retry   = 600 (10 mins)
        expire  = 86400 (1 day)
        default TTL = 3600 (1 hour)
    ADDITIONAL RECORDS:
    ->  ulysse.vesinet.alsyon-tech.com
        type = A, class = IN, dlen = 4
        internet address = 192.168.53.12
        ttl = 3600 (1 hour)
 
------------
vesinet.alsyon-tech.com
        type = A, class = IN, dlen = 4
        internet address = 192.168.53.12
        ttl = 600 (10 mins)
vesinet.alsyon-tech.com
        type = NS, class = IN, dlen = 9
        nameserver = ulysse.vesinet.alsyon-tech.com
        ttl = 3600 (1 hour)
vesinet.alsyon-tech.com
        type = SOA, class = IN, dlen = 35
        ttl = 3600 (1 hour)
        primary name server = ulysse.vesinet.alsyon-tech.com
        responsible mail addr = hostmaster.vesinet.alsyon-tech.com
        serial  = 215
        refresh = 900 (15 mins)
        retry   = 600 (10 mins)
        expire  = 86400 (1 day)
        default TTL = 3600 (1 hour)
ulysse.vesinet.alsyon-tech.com
        type = A, class = IN, dlen = 4
        internet address = 192.168.53.12
        ttl = 3600 (1 hour)
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