Question

what is DNS spoofing?

Answer 1

DNS spoofing, also referred to as DNS cache poisoning, is a form of computer security hacking in which corrupt Domain Name System data is introduced into the DNS resolver's cache, causing the name server to return an incorrect IP address.

Answer 2

 DNS spoofing
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DNS Spoofing is the art of making a DNS entry to point to an another IP than it would be supposed to point to. 
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hope it helps!!