What is the primary function of an NS record in domain configuration?
To map a domain alias to its canonical domain name.
To locate services like VoIP or instant messaging within the domain.
To direct email traffic to the appropriate mail servers.
To identify the authoritative servers maintaining a domain's records.
An NS record designates the authoritative servers responsible for a domain's configurations, directing queries to the appropriate sources where detailed mappings are maintained. This facilitates domain management and ensures consistency in resolving queries. MX records direct mail traffic, CNAME records link an alias to a true name, and SRV records locate services — all these are important but functionally different from NS records.
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