i know if your isp hosts your dns servers its up to them to update and then change will take affect, my question is if you host your own dns servers, ex dns 1 and dns 2 and i want to change the ip of my site, from 216.0.0.0 to 216.0.0.1, once that change is made does propagation start broadcasting to the routers of the world or does my isp have to update something even thought they dont my dns servers. to better give you guys and idea of what i mean is. when i make a change to my dns servers, i notice the change in my region in about an hour and a half, but our warehouse in the western part of the country takes about 4 hrs. does my isp have anything to do with this, it shouldn't is that correct. the isp only cares that it points to my nameservers.
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dns propagation
- Thread starter bcardona
- Start date
Are your servers authoratative for the domain? If so then any other DNS servers around the world that have cached your old DNS data will hold on to that data until the TTL has expired (you set this value in the zone file). Once that has expired and the URL is requested again, the servers will query your DNS server and get the new data and again cache it for the TTL period.
Chris.
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Chris A.C, CCNA, CCSA
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Chris.
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Chris A.C, CCNA, CCSA
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