I stand by my contention that it will take on average 1/2[TTL]. If the TTL is 60 seconds, it will seem immediate (but given a statistically significant sample will actually average 30 seconds). Surely you're not saying that every caching DNS server in the world clears its cache at midnight EST?
> -----Original Message----- > From: Daniel Chenault [mailto:[EMAIL PROTECTED]] > Posted At: Friday, January 11, 2002 10:43 AM > Posted To: MSExchange Mailing List > Conversation: DNS Changes take how long > Subject: Re: DNS Changes take how long > > > Supposed to happen every 24 hours at midnight EST. Give it 24 > hours after > that to propogate. > > ----- Original Message ----- > From: "Tony Hlabse" <[EMAIL PROTECTED]> > To: "Exchange Discussions" <[EMAIL PROTECTED]> > Sent: Friday, January 11, 2002 9:58 AM > Subject: DNS Changes take how long > > > > > > Well we are making the switch from a Eudora email server to > a Exchange > 2000 > > setup. The new Zone records will be sent to our ISP Verio. > We are hoping > all > > updates to other DNS servers will in place by Monday. > Anybody think it > will > > take longer than 48+ hours. We make the change request > today at noon. > > > > > > _________________________________________________________________ > > Send and receive Hotmail on your mobile device: > http://mobile.msn.com > > > > > > _________________________________________________________________ > > List posting FAQ: http://www.swinc.com/resource/exch_faq.htm > > Archives: http://www.swynk.com/sitesearch/search.asp > > To unsubscribe: mailto:[EMAIL PROTECTED] > > Exchange List admin: [EMAIL PROTECTED] > > > > _________________________________________________________________ > List posting FAQ: http://www.swinc.com/resource/exch_faq.htm > Archives: http://www.swynk.com/sitesearch/search.asp > To unsubscribe: mailto:[EMAIL PROTECTED] > Exchange List admin: [EMAIL PROTECTED] > _________________________________________________________________ List posting FAQ: http://www.swinc.com/resource/exch_faq.htm Archives: http://www.swynk.com/sitesearch/search.asp To unsubscribe: mailto:[EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED]
