Linux command
dig 命令
文本
复制后可按需替换文件名、目录或参数。
常用示例
Query
dig [example.com]
Specific
dig [example.com] [A]
Short
dig [example.com] +short
Reverse
dig -x [8.8.8.8]
Query
dig [@8.8.8.8] [example.com]
说明
dig (Domain Information Groper) is a DNS lookup utility. It queries DNS servers for various record types, provides detailed responses, and is the preferred tool for DNS troubleshooting and analysis. The command has largely replaced older tools like nslookup.
参数
- @_server_
- Query specific DNS server
- +short
- Brief output (just answer)
- +noall +answer
- Show only answer section
- -x _ip_
- Reverse lookup
- -t _type_
- Record type (A, AAAA, MX, NS, etc.)
- +trace
- Trace DNS delegation path
- +dnssec
- Request DNSSEC records
- -4 / -6
- Use IPv4 / IPv6 only
FAQ
What is the dig command used for?
dig (Domain Information Groper) is a DNS lookup utility. It queries DNS servers for various record types, provides detailed responses, and is the preferred tool for DNS troubleshooting and analysis. The command has largely replaced older tools like nslookup.
How do I run a basic dig example?
Run `dig [example.com]` in a terminal, then adjust file names, paths, flags, or remote targets for your system.
What does @_server_ do in dig?
Query specific DNS server