https://api.sublist3r.com isn't available

In PassiveDNS object, using https://api.sublist3r.com. sublister.py #821

But https://api.sublist3r.com isn't available and redirecting to http://ww7.sublist3r.com.

It may posses a information leakage of the private program/org name by the security researcher if they use this tool for subdomain enumeration.