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mr-euro
Asked: 2011-09-27 02:32:11 +0800 CST

Can the DNRD master file contain multiple records for a name?

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I am trying to get DNRD to serve certain records from the master file in a round robin manner.

I have tried several combinations e.g.:

1.1.1.1 hostnameA
2.2.2.2 hostnameA

1.1.1.1 2.2.2.2 hostnameA

1.1.1.1, 2.2.2.2 hostnameA

1.1.1.1,2.2.2.2 hostnameA

Still nothing works. It is not stated in the man pages whether this is even possible or not and I can not find any other examples online.

Please note this question is not about the resolver/forwarding nameservers round robin option.

linux domain-name-system round-robin

1 Answers

  1. Best Answer

    No, it isn't supported. I looked at the latest sources, in particular master.c line 846 where an response to an A query is made.

    846     else if (query.type == DNS_TYPE_A) {
847         if ((rec = name_lookup(query.name)) != NULL) {
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