I looked up radiosure.com with an online tool and that information says it originates from Moscow which explains the inability to reach it. It could be geoblocked, or just on blackout considering the state of world affairs. Which might explain the absence of Fonzy and other moderators from the different forums. I don't think he can get control of twitter account @radiosure even if he has access to internet. Source: over 2 years ago

LinkedIn has developed special paid services with advanced features for companies that recruit a lot and often. These services provide more advanced filtering, have no limits for connections, and other options that facilitate hiring big numbers of employees. Learn more about these services on the LinkedIn Recruiter page. - Source: dev.to / over 2 years ago

LinkedIn Recruiter is backed by a mature algorithm that recognizes these things. The application quite literally recommends the optimal candidates to poach. [0]: https://business.linkedin.com/talent-solutions/recruiter. - Source: Hacker News / over 2 years ago