Can someone enlighten me on the following scenario (I guess it's explained somewhere, but can't find the info.):
example.com was served by ns.OLDprovider.net example.com owner wants to move his domain to ns.NEWprovider.net oldprovider.net is not cooperating, and continues to serve example.com 172800 NS ns.OLDprovider.net (*.gtld-servers.net and ns.newprovider.com now serve example.com 172800 NS ns.NEWprovider.net) Recursive resolver ns.isp.com queried for www.example.com every few minutes, and currently have example.com 45892 NS ns.OLDprovider.net in it's cache. www.example.com have TTL of 3600. Thus each hour ns.isp.com queries ns.OLDprovider.net, with each query gets new NS record, and... refreshes the NS TTL ? Will ns.isp.com EVER query ns.NEWprovider.net ? I'd be happy to know how BIND behaves, but also how other servers may behave in this case. Regards, Alexander Gurvitz, net-me.net
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