On Mon, Sep 27, 2010 at 13:27, Brent L. Bates <blbates at vigyan.com> wrote: > Just noticed something. Have your serial number reflect the date you > last updated the file. That way you will know when you last changed it. For > example, today is September 27, 2010, if you were making your first update > today, make the serial number 2010092701. I add on 2 digits at the end in > case I need to make more than one change in one day. Changing it 10 times in > one day isn't likely, but just in case that isn't enough, I know *I* will not > be making more than 100 changes in one day. Serial numbers ALWAYS have to > increase with each change. That is the way other name servers know they need > to update their information. If the serial number is bigger than what they > have stored, then they know they need to download the new information. If you > plan on updating the DNS information more than 100 times a day, you will need > to give yourself some extra digits. I hope this is of some help. > I think that the fine manual mentioned something about if one hundreds edits were done in a single day, then it is time to go home and get some sleep! -- Dotan Cohen http://gibberish.co.il http://what-is-what.com