NOTE

dig

Usage Output Explanation nslookup obtains an IP from the DNS server cache, while dig obtains the IP from the authoritative server. It is divided into several parts: What is being queried What the result is What the authoritative server is Information

Operating Systems / LinuxCreated Updated 1 min readhistorical

This is a historical learning note and may contain outdated or incomplete understanding.

Usage

dig www.baidu.com

Output

Explanation

nslookup obtains an IP from the DNS server cache, while dig obtains the IP from the authoritative server. It is divided into several parts: What is being queried What the result is What the authoritative server is Information about the authoritative server Response time

CNAME type: A points to IPv4 AAAA points to IPv6 NS points to the authoritative name server

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