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Thread: What is propagation?
09-01-2004, 11:57 PM #1DetailHostGuest
What is propagation?
Propagation is the period of time, or delay, involved in sending your domain's address information to all the various name servers in the world. Name servers intentionally keep track of addresses for domains in their memory for a specific period of time (defined by the administrator of the name server). This speeds up the process of looking up an address for a domain name. Unfortunately this "cached" information also stays in the name servers when it has been changed at the source of the original information (the domain's registrar).
Name servers refresh themselves from once an hour to once a day. Experience dictates that 3 days is a good estimate for the period of time from when a domain's DNS information is changed at the domain registrar to when everyone in the world can see the change.
09-09-2004, 11:49 AM #2
- Join Date
- Mar 2004
Some ISP's (Internet Services Providers) have bad DNS servers, which can cause the propagation delay to be very long. The best way to solve this is to set up your own DNS server on your computer (I prefer Bind, which is available for Win32 too). Offcourse, once your own DNS server is running, don't forget to point your network card DNS server to 127.0.0.1 (localhost).For reliable shared and reseller hosting, visit RadixHosting.