Domain name system
nounverified·updated May 9, 2026
A hierarchical database that is distributed across the Internet that allows names to be resolved into IP addresses (and vice versa) to locate services such as web and e-mail servers
polysemousMWEISACA Cybersecurity Glossary
Senses
SANS Glossary of Security Terms
The domain name system (DNS) is the way that Internet domain names are located and translated into Internet Protocol addresses. A domain name is a meaningful and easy-to-remember "handle" for an Internet address.
ISACA Cybersecurity Glossarysense 2 pending review
Tunneling over DNS to gain network access. Lower-level attack vector for simple to complex data transmission, slow but difficult to detect.
Classifications
Entity Type
Network95%llm-generatedllm:claude-haiku-4-5
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Sensitivity
—80%llm-generatedllm:claude-haiku-4-5
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Information Class
—85%llm-generatedllm:claude-haiku-4-5
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Variants
- acronym
- DNSDNS exfiltration
- plural
- Domain name systems
- possessive
- Domain name system's
- pluralpossessive
- Domain name systems'