Option A needs to be set up so that the website may be visited using the hostname: Zone of forward lookup
Forward DNS works when a user types a text-based email address or web page URL. This message is first delivered to a DNS server. The DNS server returns the domain's IP address after performing a record check. If the DNS server is unable to locate the domain's IP address, it forwards the request to another server. Forward lookup zones translate names into IP addresses, whilst reverse lookup system do the opposite. When your DNS server is unable to provide an authoritative response to a request, forwarders can be used to forward the request.
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