Definition
The "phone book" of the internet. It translates human-readable domain names (e.g. google.com) into machine-readable IP addresses.
Example Usage
"After the DNS change, it took 48 hours for the new IP address to propagate globally."
Domain Name System
DNS
Frequently Asked Questions
What does "DNS" mean in IT?
The "phone book" of the internet. It translates human-readable domain names (e.g. google.com) into machine-readable IP addresses.
What does DNS stand for?
DNS stands for "Domain Name System".
How do you pronounce "DNS"?
"DNS" is pronounced /ˌdiː.enˈes/. Use the "Listen" button above to hear it spoken aloud.
Can you give an example sentence using "DNS"?
Yes: "After the DNS change, it took 48 hours for the new IP address to propagate globally."
Is this glossary free to use?
Yes. The full CoderSlingo IT English Glossary is free to browse — no account, sign-up, or payment required.
What part of speech is "DNS"?
"DNS" is used as a noun (acronym).
Are there terms related to "DNS"?
Yes — related terms include HTTP, Load balancer. See "Related Terms" above to explore them.
Can I practice this term in an exercise?
Yes — the Vocabulary exercises hub has interactive drills covering common IT terms like "DNS" in realistic sentences, with instant feedback on each answer.
Is this definition kept up to date?
Yes — glossary entries are reviewed and updated as terminology in the industry evolves, so definitions stay accurate for current IT usage.
Where can I find more IT terms like this one?
Browse the full IT Glossary, or check the specialised reference glossaries for HTTP Status Codes, Git Commands, Design Patterns, and Cloud Services.