According to my knowledge, it is a safe operation as long as you configured your record correctly. It will take some time for the changes to propagate, make sure you have $TTL to 10M or something low in order for the record to expire on that time. Also, make sure to change the serial and the expire in the SOA.
Please correct me if I'm wrong.
Hope that helps.
Last edited by landysaccount; 10-11-2010 at 11:43 AM.
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