39 ms·Subfinder: Passive subdomain enumeration tool1 points by leonry 2y agod4n3ws 2y agoThis is a great tool, effective and fast enough. For faster and more exhaustive results I use https://ip-ninja.com/ https://ip-ninja.com/ which is not free of charge but still a bargaind4n3ws 2y agoOh and it can do all kind of stuff like reverse IP, geoloc, ASN lookup, etc