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while an iterative query instructs the DNS server to return the best answer it has or a referral to another DNS server. The DnsLookup component uses the mechanisms provided by the operating system to perform DNS lookups. This means that it can handle both iterative and recursive queries， depending on the configuration of the DNS server. A recursive query instructs the DNS server to return the final answer or an error， the DNS lookup method may use cached data from the local machine if the DNS information for the host has been cached previously. The DnsLookup mechanism works by sending a query to a DNS server and receiving a response that contains the IP address of the requested domain name. The query can be either recursive or iterative，。

the component does not expose any option to specify the query type or the DNS server to use. ， depending on the configuration of the DNS server. The DNS lookupmethod can also follow the referrals until it reaches the authoritative DNS server that has the definitive answer. However， This component operates without any dependency on other components. Please also note。