Re: [public-dns-discuss] Domain not resolving

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Yunhong Gu

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Apr 29, 2013, 9:31:15 PM4/29/13
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It is failing DNSSEC validation: http://dnsviz.net/d/www.bncr.fi.cr/dnssec/


On Mon, Apr 29, 2013 at 7:45 PM, <ernes...@gmail.com> wrote:

Domain www.bncr.fi.cr is not resolving from 8.8.8.8 but working from other open DNS servers including 4.2.2.2


C:\Users\egonzalez>nslookup -debug www.bncr.fi.cr 4.2.2.2
------------
Got answer:
    HEADER:
        opcode = QUERY, id = 1, rcode = NOERROR
        header flags:  response, want recursion, recursion avail.
        questions = 1,  answers = 1,  authority records = 0,  additional = 0

    QUESTIONS:
        2.2.2.4.in-addr.arpa, type = PTR, class = IN
    ANSWERS:
    ->  2.2.2.4.in-addr.arpa
        name = b.resolvers.Level3.net
        ttl = 61899 (17 hours 11 mins 39 secs)

------------
Address:  4.2.2.2

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

    QUESTIONS:
        www.bncr.fi.cr, type = A, class = IN
    ANSWERS:
    ->  www.bncr.fi.cr
        internet address = 200.122.146.45
        ttl = 2973 (49 mins 33 secs)

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

    QUESTIONS:
        www.bncr.fi.cr, type = AAAA, class = IN
    AUTHORITY RECORDS:
    ->  bncr.fi.cr
        ttl = 3527 (58 mins 47 secs)
        primary name server = ns.bncr.fi.cr
        responsible mail addr = hostmaster.bncr.fi.cr
        serial  = 110
        refresh = 900 (15 mins)
        retry   = 600 (10 mins)
        expire  = 86400 (1 day)
        default TTL = 3600 (1 hour)

------------
Name:    www.bncr.fi.cr
Address:  200.122.146.45


C:\Users\egonzalez>
C:\Users\egonzalez>
C:\Users\egonzalez>
C:\Users\egonzalez>
C:\Users\egonzalez>nslookup -debug www.bncr.fi.cr 8.8.8.8
------------
Got answer:
    HEADER:
        opcode = QUERY, id = 1, rcode = NOERROR
        header flags:  response, want recursion, recursion avail.
        questions = 1,  answers = 1,  authority records = 0,  additional = 0

    QUESTIONS:
        8.8.8.8.in-addr.arpa, type = PTR, class = IN
    ANSWERS:
    ->  8.8.8.8.in-addr.arpa
        ttl = 20463 (5 hours 41 mins 3 secs)

------------
Address:  8.8.8.8

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

    QUESTIONS:
        www.bncr.fi.cr, type = A, class = IN

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

    QUESTIONS:
        www.bncr.fi.cr, type = AAAA, class = IN

------------
------------
Got answer:
    HEADER:
        opcode = QUERY, id = 4, rcode = SERVFAIL
        header flags:  response, want recursion, recursion avail.
        questions = 1,  answers = 0,  authority records = 0,  additional = 0

    QUESTIONS:
        www.bncr.fi.cr, type = A, class = IN

------------
------------
Got answer:
    HEADER:
        opcode = QUERY, id = 5, rcode = SERVFAIL
        header flags:  response, want recursion, recursion avail.
        questions = 1,  answers = 0,  authority records = 0,  additional = 0

    QUESTIONS:
        www.bncr.fi.cr, type = AAAA, class = IN

------------
*** google-public-dns-a.google.com can't find www.bncr.fi.cr: Server failed

Could you guys please assist on pointing out what might me the issue?

Thanks in advance for your time and help!

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