Date: Sun, 21 Feb 1999 08:48:13 +1300 From: "Dan Langille" <junkmale@xtra.co.nz> To: hometeam <hometeam@techpower.net> Cc: Namodn ROOT <root@namodn.com>, dan@wolf.com, freebsd-questions@FreeBSD.ORG Subject: Re: off-site secondary DNS Message-ID: <19990220194927.SBRW3226200.mta2-rme@wocker> In-Reply-To: <Pine.BSF.4.05.9902201439250.8418-100000@techpower.net> References: <19990220192615.GHON682101.mta1-rme@wocker>
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I dunno. It depends on the circumstances I suppose. Why did you suggest those values? On 20 Feb 99, at 14:40, hometeam wrote: > > wouldn't these be a bit better? > > 86400 ; Refresh > 21600 ; Retry > 604800 ; Expire > 86400) ; Minimum TTL > > > On Sun, 21 Feb 1999, Dan Langille wrote: > > > Most people now use a serial number of the form YYYYMMDDHHMM. And the > > refresh rate determines how often the secondary will check the primary for > > a more recent serial number. Here's an example of these values from my > > website: > > > > @ IN SOA mydomain.com. root.freebsd.mydomain.com. ( > > 199902210845 ; Serial > > 3600 ; Refresh > > 300 ; Retry > > 3600000 ; Expire > > 3600 ) ; Minimum > > > > The above shows that I modifed the zone files on 21 Feb 1999 at 08:45. > > The secondary will compare that serail value to it's own. If the primary > > contains a newer value, the secondary will request a zone transfer. The > > secondary will check the primary's serial number every 3600 seconds (every > > hour). > > > > Sorry. I really should have said all this the first time. -- Dan Langille The FreeBSD Diary http://www.FreeBSDDiary.com/freebsd To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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