ray dermody s dermodyr itcarlow ie NUMBER lines of wisdom included hi all the serial number in our hosts files on our dns server has gone corrupt e g NUMBER should be NUMBER its okay to set this back to todays date but i understand that our secondary and terninary dns servers will only update from the master hosts file if the master host serial number is greater than the current serial number in the hosts file is there any way i can reset this on the secondary and terninary dns servers once you have the serial changed on the master dns server remove the appropiate zone s on your slaves and refresh your dns servers bind has a special case if you set the serial to NUMBER i think dns bind should have something on that philip reynolds rfc networks tel NUMBER NUMBER URL fax NUMBER NUMBER irish linux users group ilug URL URL for un subscription information list maintainer listmaster URL 