Chapter 19. Dynamic DNS

In many home networking environments, the DSL or cable modem IP address is provided by DHCP and therefore changes from time to time. This can cause problems with the DNS zone files explained in Chapter 18, “Configuring DNS,” which assume the IP address of a server won’t change continuously. For this reason there are two broad types of DNS:

  • Static DNS: This is used when your ISP provides you with unchanging fixed or static IP addresses. Your DNS server acts as the authoritative source of information for your domain. You can ...

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