I setup a BIND sever. Let domain be example.com, httpd running. There is a separate zone for aliases to another domain, different.com

I setup zone file for different.com to be:

am IN CNAME example.com.
bm IN CNAME example.com.
cm IN CNAME example.com.
dm IN CNAME example.com.
em IN CNAME example.com.

EDIT: Reconfigure, only host name.

Zone transfer was done. Only 4 of 5 works, am, bm, dm, em, but cm do not.
Is cm a special BIND keyword? What can I check? Can there be a restriction for CNAME number for a domain?

Best Regards,

  • Make sure that either the origin is . or that you end each name with a . – wurtel Feb 4 '15 at 13:06
  • They are, I forgot to add them here, sorry. – Kamil Feb 4 '15 at 13:09
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    The same goes for the names in front... perhaps include any ORIGIN lines. cm does not occur anywhere else? Did you try to use cm before adding it, in which case you may have to wait out the negative caching time. – wurtel Feb 4 '15 at 13:21
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    Ok, we found the solution (@wurtel was right too): BIND cache had old zones despite serial updates. Flushing the cache helped; also, use dig, it is way better tool than host --- it will give you a zone serial for example, so you will know from which version the answer is coming from! – Kamil Feb 4 '15 at 14:19

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