Question: Fill in the following blanks using root DNS server , TLD DNS server , authoritative DNS server , local DNS server , msudenver.edu , google.com

Fill in the following blanks using root DNS server, TLD DNS server, authoritative DNS server, local DNS server, msudenver.edu, google.com, .edu or .com.

When a host within the msudenver.edu domain needs to visit a webserver within the google.com domain, the host needs to contact the ______ within the ______ domain to resolve the ip address of the webserver.

When a webserver within the google.com domain changes its ip address, the ______ within the ______ domain needs to be notified to update its database.

When an authoritative DNS server within the google.com domain changes its ip address, the ______ in charge of the ______ domain needs to be notified to update its database.

When a local DNS server does not have the ip address that it is asked to resolve in its cache, it needs to contact ______ FIRST, but EVENTUALLY, gets such ip address from the ______________.

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