Linux command
dnstracer 命令
文本
复制后可按需替换文件名、目录或参数。
常用示例
Example
dnstracer [www.example.com]
Example
dnstracer -s [dns.example.org] [www.example.com]
Example
dnstracer -4 [www.example.com]
Retry
dnstracer -r [5] [www.example.com]
Example
dnstracer -v [www.example.com]
Example
dnstracer -o [www.example.com]
说明
dnstracer determines where a DNS server gets its information from by tracing the DNS resolution path from root servers down to the authoritative nameserver. Useful for debugging DNS issues and understanding DNS delegation.
参数
- -s _server_
- Start with specified DNS server
- -4
- Only query IPv4 servers
- -6
- Only query IPv6 servers
- -r _count_
- Number of retries on failure
- -v
- Verbose output
- -o
- Overview of all received answers
FAQ
What is the dnstracer command used for?
dnstracer determines where a DNS server gets its information from by tracing the DNS resolution path from root servers down to the authoritative nameserver. Useful for debugging DNS issues and understanding DNS delegation.
How do I run a basic dnstracer example?
Run `dnstracer [www.example.com]` in a terminal, then adjust file names, paths, flags, or remote targets for your system.
What does -s _server_ do in dnstracer?
Start with specified DNS server