nsec
9.9
A record in the domain name system that proves a domain name does not exist
- noun
- Specialized
- So the DNSSEC protocol had this clever mechanism called NSEC for signing non existent records.
Examples
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The NSEC record is crucial in DNSSEC, as it verifies that a domain name does not exist.
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When configuring DNSSEC, each domain without a record should have an associated NSEC entry.
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To enhance security, the NSEC resource record proves the absence of specific domains in the DNS.
Surface Forms
Etymology
Nsec comes from the DNS security term NSEC, short for 'Next Secure', and it points to the 'next' name in a domain so the system can show that a specific name does not exist.