North American Network Operators Group

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RE: DNS Updates

  • From: Sutantyo, Danny
  • Date: Thu Sep 21 13:29:43 2000

you have to count the timeout for DNS cache, and you do a dig, there should be an expiration time. Usually the next day after you make a change.
-----Original Message-----
From: Benjamin Harper [mailto:[email protected]]
Sent: Wednesday, September 20, 2000 3:06 PM
To: [email protected]
Subject: DNS Updates

Hi Everyone,
I was wondering if anybody knew when most DNS servers update their records with regard to changes in DNS hosts for a domain.  I've made changes to my domain, and it looks like only a handful of DNS servers (earthlink being one of them that I could find) have actually made the changes.  I've heard that the turnaround time is normally 24-48 hours for the changes to take effect, yet it seems that it takes FOREVER for anything to ever happen when I have NSI update the records for the site.  Is there a reference on the net somewhere containing when some of the major DNS servers update their records, or does anybody have any idea why it always takes so long? 
Many Thanks,