> yahoo.com
Server:  UnKnown
Address:  192.168.1.1

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Got answer:
    HEADER:
        opcode = QUERY, id = 6, rcode = NXDOMAIN
        header flags:  response, want recursion, recursion avail.
        questions = 1,  answers = 0,  authority records = 1,  additional = 0

    QUESTIONS:
        yahoo.com.home, type = A, class = IN
    AUTHORITY RECORDS:
    ->  (root)
        ttl = 10800 (3 hours)
        primary name server = a.root-servers.net
        responsible mail addr = nstld.verisign-grs.com
        serial  = 2012112101
        refresh = 1800 (30 mins)
        retry   = 900 (15 mins)
        expire  = 604800 (7 days)
        default TTL = 86400 (1 day)

------------
------------
Got answer:
    HEADER:
        opcode = QUERY, id = 7, rcode = NXDOMAIN
        header flags:  response, want recursion, recursion avail.
        questions = 1,  answers = 0,  authority records = 1,  additional = 0

    QUESTIONS:
        yahoo.com.home, type = AAAA, class = IN
    AUTHORITY RECORDS:
    ->  (root)
        ttl = 10800 (3 hours)
        primary name server = a.root-servers.net
        responsible mail addr = nstld.verisign-grs.com
        serial  = 2012112101
        refresh = 1800 (30 mins)
        retry   = 900 (15 mins)
        expire  = 604800 (7 days)
        default TTL = 86400 (1 day)

------------
------------
Got answer:
    HEADER:
        opcode = QUERY, id = 8, rcode = NOERROR
        header flags:  response, want recursion, recursion avail.
        questions = 1,  answers = 3,  authority records = 0,  additional = 0

    QUESTIONS:
        yahoo.com, type = A, class = IN
    ANSWERS:
    ->  yahoo.com
        internet address = 72.30.38.140
        ttl = 2165 (36 mins 5 secs)
    ->  yahoo.com
        internet address = 98.138.253.109
        ttl = 2165 (36 mins 5 secs)
    ->  yahoo.com
        internet address = 98.139.183.24
        ttl = 2165 (36 mins 5 secs)

------------
Non-authoritative answer:
------------
Got answer:
    HEADER:
        opcode = QUERY, id = 9, rcode = NOERROR
        header flags:  response, want recursion, recursion avail.
        questions = 1,  answers = 0,  authority records = 1,  additional = 0

    QUESTIONS:
        yahoo.com, type = AAAA, class = IN
    AUTHORITY RECORDS:
    ->  yahoo.com
        ttl = 459 (7 mins 39 secs)
        primary name server = ns1.yahoo.com
        responsible mail addr = hostmaster.yahoo-inc.com
        serial  = 2012112203
        refresh = 3600 (1 hour)
        retry   = 300 (5 mins)
        expire  = 1814400 (21 days)
        default TTL = 600 (10 mins)

------------
Name:    yahoo.com
Addresses:  72.30.38.140
          98.138.253.109
          98.139.183.24