Domain Name System
The distributed naming system that maps domain names and other typed records through resolvers and authoritative servers, with security depending on the queried data and transport.
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DNS Record
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DNS RecordStart here
An entry in the DNS that maps a name to information, such as an address (A/AAAA), an alias (CNAME), a mail server (MX), or text (TXT). Records are the data DNS serves to answer lookups.
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DNS Tunneling
A technique that hides data inside DNS queries and responses.
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Resolver
A DNS component that takes a domain query and finds the answer, recursively asking authoritative servers if needed. Resolvers are a foundational piece of DNS and a key place to monitor for malicious activity.
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