> For the complete documentation index, see [llms.txt](https://nullbrain.gitbook.io/nullbrain/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://nullbrain.gitbook.io/nullbrain/active-information-gathering/dns/scripts.md).

# Scripts

```bash
#!/bin/bash

# Simple Zone Transfer Bash Script # $1 is the first argument given after the bash script # Check if argument was given, if not, print usage

if [ -z " $1" ] ; then
    echo "[*] Simple Zone transfer script"
    echo "[*] Usage  : $0 <domain name>"
    exit 0
fi

# if argument was given, identify the DNS servers for the domain

for server in $(host -t ns $1 | cut -d " " -f4); do 
    # For each of these servers, attempt a zone transfer 
    host -l $1 $server | grep "has address" 
done
```