Question : How do I identify DNS resolves correctley?

Why each time i am getting same DNS resolved IP Address:  67.18.199.2
I tried to debug from CMD got this message.
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Got answer:
    HEADER:
        opcode = QUERY, id = 1, rcode = NOERROR
        header flags:  response, auth. answer, want recursion, recursion avail.
        questions = 1,  answers = 1,  authority records = 1,  additional = 0

    QUESTIONS:
        84.236.225.220.in-addr.arpa, type = PTR, class = IN
    ANSWERS:
    ->  84.236.225.220.in-addr.arpa
        name = MBMUMBXXXXD001DNS001
        ttl = 86400 (1 day)
    AUTHORITY RECORDS:
    ->  236.225.220.in-addr.arpa
        nameserver = MBMUMBXXXXD001DNS002
        ttl = 86400 (1 day)

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Default Server:  MBMUMBXXXXD001DNS001
Address:  220.225.236.84

> sify.com
Server:  MBMUMBXXXXD001DNS001
Address:  220.225.236.84

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Got answer:
    HEADER:
        opcode = QUERY, id = 2, rcode = NXDOMAIN
        header flags:  response, want recursion, recursion avail.
        questions = 1,  answers = 0,  authority records = 1,  additional = 0

    QUESTIONS:
        sify.com.reliancebroadband.co.in, type = A, class = IN
    AUTHORITY RECORDS:
    ->  reliancebroadband.co.in
        ttl = 8929 (2 hours 28 mins 49 secs)
        primary name server = ns1.exchangenext.net
        responsible mail addr = admin.exchangenext.net
        serial  = 2005011921
        refresh = 86400 (1 day)
        retry   = 3600 (1 hour)
        expire  = 604800 (7 days)
        default TTL = 21600 (6 hours)

------------
------------
Got answer:
    HEADER:
        opcode = QUERY, id = 3, rcode = NOERROR
        header flags:  response, want recursion, recursion avail.
        questions = 1,  answers = 2,  authority records = 2,  additional = 2

    QUESTIONS:
        sify.com.co.in, type = A, class = IN
    ANSWERS:
    ->  sify.com.co.in
        canonical name = com.co.in
        ttl = 10139 (2 hours 48 mins 59 secs)
    ->  com.co.in
        internet address = 67.18.199.2
        ttl = 13912 (3 hours 51 mins 52 secs)
    AUTHORITY RECORDS:
    ->  com.co.in
        nameserver = ns39.hostgator.com
        ttl = 13912 (3 hours 51 mins 52 secs)
    ->  com.co.in
        nameserver = ns40.hostgator.com
        ttl = 13912 (3 hours 51 mins 52 secs)
    ADDITIONAL RECORDS:
    ->  ns39.hostgator.com
        internet address = 67.18.199.2
        ttl = 13804 (3 hours 50 mins 4 secs)
    ->  ns40.hostgator.com
        internet address = 67.18.199.3
        ttl = 13378 (3 hours 42 mins 58 secs)

------------
Non-authoritative answer:
Name:    com.co.in
Address:  67.18.199.2
Aliases:  sify.com.co.in

Answer : How do I identify DNS resolves correctley?

Kindly close this question.
Not able to understand resolutio.
now  getting correct resolution automatically.
C:\>nslookup www.yahoo.com
Server:  MBMUMXXXXD001DNS006
Address:  124.124.5.141

Non-authoritative answer:
Name:    www-real.wa1.b.yahoo.com
Address:  87.248.113.14
Aliases:  www.yahoo.com, www.wa1.b.yahoo.com