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  1. #1

    cPanel DNSOnly questions

    Hi there,

    I have a few cPanel DNSOnly (for those doing searches: DNS Only DNS-Only), which I need cleared up.

    I currently have the following: -- registered nameserver with assigned IP address ( -- registered nameserver with assigned IP address (

    15 machines named:

    I installed dnsnonly on, where the IPs and are up and running.

    I then followed the guide at: (can't seem to add a link, since I don't have 5 or more posts)

    Good news here is that zones are syncing without a problem. Bad news is, that something isn't working as expected.

    For example, when I disable BIND and NSD on and in /etc/resolv.conf add and as nameservers, the machine just can't resolve anything:

    dig +trace

    ; <<>> DiG 9.3.4-P1 <<>> +trace
    ;; global options: printcmd
    . 331490 IN NS M.ROOT-SERVERS.NET.
    . 331490 IN NS A.ROOT-SERVERS.NET.
    . 331490 IN NS B.ROOT-SERVERS.NET.
    . 331490 IN NS C.ROOT-SERVERS.NET.
    . 331490 IN NS D.ROOT-SERVERS.NET.
    . 331490 IN NS E.ROOT-SERVERS.NET.
    . 331490 IN NS F.ROOT-SERVERS.NET.
    . 331490 IN NS G.ROOT-SERVERS.NET.
    . 331490 IN NS H.ROOT-SERVERS.NET.
    . 331490 IN NS I.ROOT-SERVERS.NET.
    . 331490 IN NS J.ROOT-SERVERS.NET.
    . 331490 IN NS K.ROOT-SERVERS.NET.
    . 331490 IN NS L.ROOT-SERVERS.NET.
    ;; Received 500 bytes from in 0 ms

    com. 172800 IN NS E.GTLD-SERVERS.NET.
    com. 172800 IN NS K.GTLD-SERVERS.NET.
    com. 172800 IN NS I.GTLD-SERVERS.NET.
    com. 172800 IN NS F.GTLD-SERVERS.NET.
    com. 172800 IN NS L.GTLD-SERVERS.NET.
    com. 172800 IN NS A.GTLD-SERVERS.NET.
    com. 172800 IN NS G.GTLD-SERVERS.NET.
    com. 172800 IN NS J.GTLD-SERVERS.NET.
    com. 172800 IN NS D.GTLD-SERVERS.NET.
    com. 172800 IN NS M.GTLD-SERVERS.NET.
    com. 172800 IN NS H.GTLD-SERVERS.NET.
    com. 172800 IN NS C.GTLD-SERVERS.NET.
    com. 172800 IN NS B.GTLD-SERVERS.NET.
    ;; Received 496 bytes from in 128 ms

    dig: couldn't get address for 'E.GTLD-SERVERS.NET': failure

    I can telnet on port 53 for both IPs though, which means, that bind is working. When I'm logged in SSH on the (which uses the same resolv.conf) i can resolve hostnames without a problem though.

    Could anyone tell me what I'm doing wrong?

    Also, when configuring clustering, should I add the IPs for ns1 and ns2 on all servXX machines or should it be the other way around -- add the IPs for all machines on ns1 and ns2? Or is it the same?

    Alternatively, if you have a guide on how to set this up correctly, I'll be happy to start over.

    Thanks in advance for your help.

  2. #2
    Join Date
    Mar 2009
    Chicago, IL
    Your nameservers aren't doing recursion (and they shouldn't). You should be using your datacenters resolvers for the nameservers on your individual machines and bind on your cluster for *only* authoritative domains.

    Essentially, if it's not a zone in the named configuration, your machine shouldn't answer for it.

  3. #3
    Join Date
    May 2009

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