Some Server not Resolving certain address

[Matus UHLAR - fantomas]

On 08.04.13 17:35, Arie L. Putra wrote:
>Some of my server reported SERVFAIL,
>
>i try some reference on http://www.whatsmydns.net/ and some result fail
>indeed, but why some of my server still resolve ok?  or my other server
>which resolve the domain actually "late" to see the invalid record?

because while delegation NS records are OK, the NS records in domain itself
are broken.  With the first lookup you may get the answer from the parent
servers, but later lookups will use broken NS records and thus they will
fail.

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Matus UHLAR - fantomas, uhlar at fantomas.sk ; http://www.fantomas.sk/
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