scan sub-domain name
- dnscan https://github.com/rbsec/dnscan.git
- subbrute https://github.com/TheRook/subbrute.git
online tool:
https://pentest-tools.com/information-gathering/find-subdomains-of-domain https://dnsdumpster.com/
online tool:
https://pentest-tools.com/information-gathering/find-subdomains-of-domain
https://dnsdumpster.com/