It seems like you're asking about the `dig` command, which is a tool used to query Domain Name System (DNS) servers to retrieve information about various types of DNS records. The term "si" is unclear; if you meant to refer to a specific function or option, please provide more details.
Here's a basic example of how to use the `dig` command:
### Basic Usage
To perform a simple DNS lookup:
```bash
dig example.com
```
This command retrieves the


