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A name collision occurs when a user attempts to resolve a domain in one namespace, but it unexpectedly resolves in a different namespace. Name collision issues in the public global Domain Name System (DNS) cause billions of unnecessary and potentially unsafe DNS queries every day. A targeted outreach program that Verisign started in March 2020 has remediated one billion queries per day to the A and J root name servers, via 46 collision strings. more
Data privacy and security experts tell us that applying the "need to know" principle enhances privacy and security, because it reduces the amount of information potentially disclosed to a service provider -- or to other parties -- to the minimum the service provider requires to perform a service. This principle is at the heart of qname minimization, a technique described in RFC 7816 that has now achieved significant adoption in the DNS. more
Recent events have shown the threat of domain hijacking is very real; however, it is also largely preventable. As Verisign previously noted, there are many security controls that registrants can utilize to help strengthen their security posture. Verisign would like to reiterate this advice within the context of the recent domain hijacking reports. Domains are an important element of internet infrastructure; their functionality and security rely upon many factors such as their delegated name servers. more
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