FAQ
I have a bind server running that cannot resolve www.atbfinancialonline.com.
I turned on "debug 10" in the named.conf and start up dig on it, but dig just
times out, what else can I do to see why exactly it won't resolve this?

Thanks!
jlc

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  • Nate Amsden at Jan 26, 2009 at 6:22 pm

    Joseph L. Casale wrote:
    I have a bind server running that cannot resolve www.atbfinancialonline.com.
    I turned on "debug 10" in the named.conf and start up dig on it, but dig
    just
    times out, what else can I do to see why exactly it won't resolve this?

    Check what name severs are hosting the domain and try resolving
    directly from them.

    atbfinancialonline.com name server dns1.cidc.telus.com.
    atbfinancialonline.com name server dns2.cidc.telus.com.

    telus, sounds Australian ..seems like dns1.cidc.telus.com is
    not responding.

    One of my Debian servers has a tool called 'dnstracer', I'd be
    surprised if it was available as part of the stock CentOS but
    maybe available in a 3rd party repo or some similar tool:

    [aphro at portal:~]$ dnstracer www.atbfinancialonline.com
    Tracing to www.atbfinancialonline.com[a] via 127.0.0.1, maximum of 3 retries
    127.0.0.1 (127.0.0.1)
    \___ L.GTLD-SERVERS.NET [com] (192.41.162.30)
    \___ dns2.cidc.telus.com [atbfinancialonline.com] (66.203.199.203)
    Got authoritative answer
    \___ dns1.cidc.telus.com [atbfinancialonline.com] (216.123.224.131) * * *
    \___ K.GTLD-SERVERS.NET [com] (192.52.178.30)
    \___ dns2.cidc.telus.com [atbfinancialonline.com] (66.203.199.203)
    (cached)
    \___ dns1.cidc.telus.com [atbfinancialonline.com] (216.123.224.131) * * *
    \___ J.GTLD-SERVERS.NET [com] (192.48.79.30)
    \___ dns2.cidc.telus.com [atbfinancialonline.com] (66.203.199.203)
    (cached)
    \___ dns1.cidc.telus.com [atbfinancialonline.com] (216.123.224.131) * * *
    \___ I.GTLD-SERVERS.NET [com] (192.43.172.30) *
    \___ dns2.cidc.telus.com [atbfinancialonline.com] (66.203.199.203)
    (cached)
    \___ dns1.cidc.telus.com [atbfinancialonline.com] (216.123.224.131) * *

    nate
  • Joseph L. Casale at Jan 26, 2009 at 6:34 pm

    Check what name severs are hosting the domain and try resolving
    directly from them.

    atbfinancialonline.com name server dns1.cidc.telus.com.
    atbfinancialonline.com name server dns2.cidc.telus.com.
    <vbg> I shoulda done that:) Yup, so it's only resolving from cache
    for those that did hit it I see.
    telus, sounds Australian ..seems like dns1.cidc.telus.com is
    not responding.
    Calgary Alberta Canada! Wrong side of the planet:)
    One of my Debian servers has a tool called 'dnstracer', I'd be
    surprised if it was available as part of the stock CentOS but
    maybe available in a 3rd party repo or some similar tool:
    Nice tool, thanks Nate!
    jlc
  • Paul Heinlein at Jan 26, 2009 at 6:51 pm

    On Mon, 26 Jan 2009, nate wrote:

    One of my Debian servers has a tool called 'dnstracer', I'd be
    surprised if it was available as part of the stock CentOS but
    maybe available in a 3rd party repo or some similar tool:
    dig's +trace option can do the same thing, though its reporting isn't
    as nicely formatted as dnstracer's:

    dig +trace www.atbfinancialonline.com

    First you'll see dig resolving "." (the root domain), then getting the
    master servers for "com.", then for "atbfinancialonline.com."

    --
    Paul Heinlein <> heinlein at madboa.com <> http://www.madboa.com/
  • Kai Schaetzl at Jan 26, 2009 at 7:31 pm

    Nate wrote on Mon, 26 Jan 2009 10:22:34 -0800 (PST):

    [aphro at portal:~]$ dnstracer www.atbfinancialonline.com
    allow me to jump in here. I recently installed dnstracer (from rpmforge),
    but I don't get the expected output on the machine where I want to use it.
    All I get is output like this:

    chacha:~ dnstracer www.atbfinancialonline.com
    Tracing to www.atbfinancialonline.com[a] via 127.0.0.1, maximum of 3
    retries
    127.0.0.1 (127.0.0.1) Refers backwards

    This is on the server that provides local dns caching and dns for some
    local non-public domains and reverse dns for the LAN. It's configured to
    use a forwarder.
    I may have misconfigured something in bind?


    Kai

    --
    Kai Sch?tzl, Berlin, Germany
    Get your web at Conactive Internet Services: http://www.conactive.com

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