On 11/9/2011 4:59 PM, trm asn wrote:


On Wed, Nov 9, 2011 at 3:15 PM, Matus UHLAR - fantomas <uh...@fantomas.sk <mailto:uh...@fantomas.sk>> wrote:

    Now I have only one question:


    On 08.11.11 20:27, trm asn wrote:

        The moment I have done the "rndc reload example.com
        <http://example.com>", the domain and all
        subdomain were became not resolvable.


    what does the named's log say?

--

Is there any thing wrong if I declare my zone like this as below...

$TTL 300
@ IN SOA ns4.example.com <http://ns4.example.com/>. postmaster.example.com <http://postmaster.example.com/>. (
                                2011110806      ; Serial Number
                                10800           ; Refresh after 3 hours
                                3600            ; Retry after 1 hour
                                604800          ; Expire after 1 week
                                300 )         ; Minimum TTL of 1 day
; Name servers
        IN      NS ns4.example.com <http://ns4.example.com/>.
        IN      NS ns2.example.com <http://ns2.example.com/>.
        IN      NS ns1.example.com <http://ns1.example.com/>.
*test    IN    NS ns1973.hostgator.com <http://ns1973.hostgator.com/>.
test    IN    NS ns1974.hostgator.com <http://ns1974.hostgator.com/>.*
        IN    A    203.39.45.19
        IN    MX mail.goole.com <http://mail.goole.com/>.
www        IN    CNAME example.com <http://example.com/>.
a        IN    A    203.39.45.20
b        IN    A    203.39.45.21

Yeah, that's likely to be a problem. Those "test" lines have (inadvertantly?) renamed an A record and your MX record from the name "example.com" to the name "test.example.com", and then "hid" them under the delegation for test.example.com (since all non-glue records are served from the child zone, not the parent; those records would only be visible on a zone transfer).

Hopefully you understand that in master-zone syntax, leading whitespace "inherits" the last non-whitespace owner name. That's why those 2 records got implicitly renamed, since putting an owner name of "test" above them caused them to inherit that name instead of "@". As a general rule, you want to put all of your apex records at the top of the zone file, and add new stuff at the end of the zone file, so as to completely avoid such whitespace-inheritance "accidents".

- Kevin
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