[MASOCH-L] Windows 7 + Classless Reverse DNS

[Victor]

> Tente utilizar o nslookup no lugar do tracert e veja os resultado.

C:\Users\Victor>nslookup
Servidor PadrÒo:  google-public-dns-a.google.com
Address:  8.8.8.8

> set d2
> set q=ptr
> 200.148.139.254
Servidor:  google-public-dns-a.google.com
Address:  8.8.8.8

------------
SendRequest(), len 46
    HEADER:
        opcode = QUERY, id = 2, rcode = NOERROR
        header flags:  query, want recursion
        questions = 1,  answers = 0,  authority records = 0,  additional = 0

    QUESTIONS:
        254.139.148.200.in-addr.arpa, type = PTR, class = IN

------------
------------
Got answer (122 bytes):
    HEADER:
        opcode = QUERY, id = 2, rcode = NOERROR
        header flags:  response, want recursion, recursion avail.
        questions = 1,  answers = 2,  authority records = 0,  additional = 0

    QUESTIONS:
        254.139.148.200.in-addr.arpa, type = PTR, class = IN
    ANSWERS:
    ->  254.139.148.200.in-addr.arpa
        type = CNAME, class = IN, dlen = 14
        canonical name = 254.128-255.139.148.200.in-addr.arpa
        ttl = 86400 (1 day)
    ->  254.128-255.139.148.200.in-addr.arpa
        type = PTR, class = IN, dlen = 38
        name = c8948bfe.static.grupototalidc.com.br
        ttl = 1200 (20 mins)

------------
Não é resposta de autorização:
254.139.148.200.in-addr.arpa
        type = CNAME, class = IN, dlen = 14
        canonical name = 254.128-255.139.148.200.in-addr.arpa
        ttl = 86400 (1 day)
254.128-255.139.148.200.in-addr.arpa
        type = PTR, class = IN, dlen = 38
        name = c8948bfe.static.grupototalidc.com.br
        ttl = 1200 (20 mins)
>