Gobuster is a Directory/File, DNS and VHost busting tool written in Go. The following command performs bruteforcing on virtual hosts.
Command Reference:
Mode: VHOST
Target: 10.10.10.1
VHOST wordlist: /usr/share/wordlists/seclists/Discovery/DNS/fierce-hostlist.txt
gobuster vhost -u 10.10.10.1 -w /usr/share/wordlists/seclists/Discovery/DNS/fierce-hostlist.txt