dlevel

Get any level of subdomain from 1....N

Install

go get -u github.com/MPaandeey/dlevel

Usage Example

📄 files.txt
hackerone.com
info.hackerone.com
managed.hackerone.com
forwarding.hackerone.com
a.ns.hackerone.com
b.ns.hackerone.com

​▶ ​​cat files.txt | dlevel 2
ns.hackerone.com
info.hackerone.com
managed.hackerone.com
forwarding.hackerone.com

▶ cat files.txt | dlevel 3
a.ns.hackerone.com
b.ns.hackerone.com

Credits

Inspired by 0xdln1 and tomnomnom code for help to remove duplicates .