tools_syntax_various
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tools_syntax_various [2022/09/24 21:49] – created gman | tools_syntax_various [2022/09/25 14:38] (current) – removed gman | ||
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- | ====== Various Tools & Their Syntax ====== | ||
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- | ===== dig ===== | ||
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- | The DNS (Domain Name System) maps IP addresses to domain names. | ||
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- | When you plug a domain name in your browser URI box... | ||
- | - **Local cache** is checked first for a valid mapping to an IP. TTL (measured in seconds) defines the length of time a mapping in cache is considered valid. If not found... | ||
- | - Your router sends the request to a **// | ||
- | - The recursive server passes the request to a **//root name// server.** Root name servers (13 unique IP addresses for them) keep track of the DNS servers in the next level down: top-level domain servers. | ||
- | - **// | ||
- | - **// | ||
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- | This whole process is automagic with browsers but **dig** can do all this manually (and show us the results). | ||
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- | Syntax: | ||
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- | < | ||
- | dig [domain] @[dns-server-ip] | ||
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- | # Example: | ||
- | dig google.com @1.1.1.1 | ||
- | </ | ||
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- | ---- | ||
tools_syntax_various.1664056177.txt.gz · Last modified: by gman