From owner-freebsd-questions Mon May 14 11:41:38 2001 Delivered-To: freebsd-questions@freebsd.org Received: from opus.sandiegoca.ncr.com (tan7.ncr.com [192.127.94.7]) by hub.freebsd.org (Postfix) with ESMTP id 72B9E37B423 for ; Mon, 14 May 2001 11:41:30 -0700 (PDT) (envelope-from chuckr@opus.sandiegoca.ncr.com) Received: from localhost (chuckr@localhost) by opus.sandiegoca.ncr.com (8.11.1/8.11.1) with ESMTP id f4EIhak96431; Mon, 14 May 2001 11:43:37 -0700 (PDT) (envelope-from chuckr@opus.sandiegoca.ncr.com) Date: Mon, 14 May 2001 11:43:36 -0700 (PDT) From: Chuck Rouillard To: Rick Duvall Cc: FreeBSD Questions Subject: Re: Named definitions Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Mon, 14 May 2001, Rick Duvall mumbled: > What do the following mean, and what do they do? > > TTL > Refresh > Retry > Expire > > I *think* TTL is Time for DNS entry to live before it forgets the > entry. But if that's the case, then why is Expire there if TTL does > the same thing? Refresh I *think* is when it re-loads the DNS entry > from the main server, and retry I *think* is how often it tries to > get a DNS entry until successful. > > Please correct me on my thinking so that I understand this. [snip] http://www.garykessler.net/library/dns.html .cr To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message