TCP Wrappers - unresolved host names

[Barry Margolin]

In article <396ef37f.805c8dfe at usw-ex0110-076.remarq.com>,
new dns administrator  <reisingsNOreSPAM at peaknet.net.invalid> wrote:
>I've just taken over as network administrator for an ISP.
>I have 5 class c subnets and I connect to sprintlink.
>Sprintlink advertises 3 authoratative servers ns1, ns2 and
>ns3 which I believe are actually recursive secondaries.
>
>ANYWAY:
>I am having a problem getting ux1.cso.uiuc.edu to recognize
>4 of my 5 subnets. My 16 subnet works great but all my dial
>in subnets 17-20 are not advertised to the rest of the
>world yet I can perform a forward and reverse lookup from
>my domain. I believe it to be because the university is
>using tcp wrappers and cannot backward resolve my host
>addresses. Any ideas?

Since you can do reverse lookup locally, but not remotely, you probably
need to get your ISP to delegate the reverse domains to your servers.
Since you haven't told us your actual addresses I can't verify whether this
is the problem, but that's what it usually is.

-- 
Barry Margolin, barmar at genuity.net
Genuity, Burlington, MA
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