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A public recursive name server is a name server that networked computers may use for Internet directory services in place of or in addition to name servers belonging to the Internet service providers to which the devices are connected. Reasons for using these services include:
- speed, compared to using ISP DNS services
- filtering (security, ad-blocking, porn-blocking, etc.)
- reporting
- avoiding censorship
- redundancy (smart caching)
- access to unofficial alternative top level domains not found in the official DNS root zone
Public DNS resolver operators often cite increased privacy as an advantage of their services; critics of public DNS services have cited the possibility of mass data collection targeted at the public resolvers as a potential risk of using these services. Several services now support secure DNS lookup transport services such as DNS over TLS and DNS over HTTPS.
Video Public recursive name server
List of public DNS service operators
Maps Public recursive name server
References
Source of article : Wikipedia
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