Respuesta :
Systems that deny the entry or exit of specific ip addresses, products, internet domains, and other communication restrictions are said to be blacklisted.
Search engines employ domain blacklists to distinguish between legal and fraudulent websites. Search engines don't have to list websites that are discovered to be contaminated with malware and viruses thanks to domain blacklists. The search engines employ these blacklists to stop websites that have been identified as being infested with malware and viruses from rising to the top of the search results. Because many websites are unaware that they have spyware or viruses on their website, search engines are working to get past this issue.
When a domain is blacklisted, it indicates that it has become associated with spam and that its reputation has suffered. A blacklist is a list of blacklisted domains and IP addresses that consumers cannot access directly and that servers use to block emails from such domains.
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