Date: Wed, 27 Nov 2002 08:06:07 +0100 From: "Leif Neland" <leifn@neland.dk> To: <freebsd-isp@FreeBSD.ORG> Subject: Re: Dynamic DNS Server Message-ID: <00a001c295e3$782aa250$6d05a8c0@gina> References: <20021118231031.GA74664@yazzy.org> <06f701c29591$033fbae0$68c311cc@vineyard.net>
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----- Original Message ----- From: "Eric W. Bates" <ericx@vineyard.net> To: "Marcin Jessa" <yazzy@yazzy.org> Cc: <freebsd-isp@FreeBSD.ORG> Sent: Tuesday, November 26, 2002 10:15 PM Subject: Re: Dynamic DNS Server >. > > What's wrong: > I have to do some reading and experimentation about bind9 RR's. I'm not > sure what is a reasonable TTL to submit with the A record with the new IP. > I don't know whether the name server will delete the record when the TTL > expires I've seen TTL's between 60 and 300 seconds for ddns. The nameserver does not delete information it is authoritative for; ttl is just used to tell when non-authoritative systems are supposed to fetch an update from an authoritative system. If you use dig against a non-authoritive server, you will notice the ttl decrements, while from an authoritive server it doesn't. Leif To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message
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