DNS Protocol

1725 pts.
Tags:
DNS
Network security
In the DNS protocol, an application that accepts either a dotted-decimal IP address or a hostname should assume the former, and if that fails, then assume a hostname. What happens if the order of the tests is reversed?

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DNS will accept either a host name or an IP address for a DNS server. You then have primary and secondary servers. It will try them in order #1 first and then #2. It does not matter if you use a host name or an IP address as long as the hostname can resolve back to the IP address.

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