Date: Sat, 8 Apr 2006 21:30:22 +0300 (EEST) From: Dmitry Pryanishnikov <dmitry@atlantis.dp.ua> To: Ulrich Spoerlein <spoerlein@googlemail.com> Cc: stable@freebsd.org, Lyndon Nerenberg <lyndon@orthanc.ca> Subject: Re: resolver doesn't see resolv.conf changes Message-ID: <20060408211725.H47923@atlantis.atlantis.dp.ua> In-Reply-To: <20060408083955.GA1041@roadrunner.q.local> References: <20060405152718.GA1003@roadrunner.q.local> <20060406153938.C78654@orthanc.ca> <20060408083955.GA1041@roadrunner.q.local>
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Hello! On Sat, 8 Apr 2006, Ulrich Spoerlein wrote: > Good idea, but this defeates the hierarchical purpose of DNS. Now my > caching DNS is always querying the root DNS servers. Sorry, but what kind of hierarchy does it defeat? If client's query can't be satisfied from provider's DNS cache, and doesn't refer to domain which is hosted on ISP, then provider's DNS server will make first query to root DNS server, and then will walk down domain hierarchy (e.g. .ua -> .dp.ua -> atlantis.dp.ua). So setting client's DNS to directly query root servers defeats just the provider's DNS cache. > And there might be ISPs who disallow outgoing DNS connections to > somewhere else than their own DNS servers. Not us ;) Sincerely, Dmitry -- Atlantis ISP, System Administrator e-mail: dmitry@atlantis.dp.ua nic-hdl: LYNX-RIPE
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