If you came across ntp.speculation.org and wondered 'is this a scam or legit?', the short answer is that the site is currently unreachable in a secure way. The homepage displays a poem and a quote, suggesting it may be intended as a personal blog or creative project. But the SSL certificate is invalid, so any modern browser will block the connection. That alone makes it impossible to recommend visiting right now.
For a personal blog, missing privacy policies and terms of service are normal. But a legitimate blog still needs a working HTTPS certificate and some way to contact the owner. This site has neither. There is no email setup, no contact page, and no record of the domain in the Wayback Machine to show it has existed for any meaningful time.
If you're looking for ntp.speculation.org reviews, there really aren't any to find. No blacklists or malware flags have been raised, but that's because the site is so bare-bones it hasn't attracted attention. My advice: wait until the SSL issue is fixed and some transparency appears before treating it as a real, safe place online.