Mars For The Rest of Us is a Substack newsletter written by Maciej Cegłowski, a well-known programmer and writer. That alone sets it apart from anonymous scam sites: the author's identity is public and easily verified. The site uses a valid SSL certificate, has a clean reputation with no blacklist hits, and includes standard legal pages like privacy and terms. While it's only been archived for a few months, that's normal for a new Substack publication. The high number of external scripts is typical for the platform and not a red flag. For a personal blog, this is exactly what a legitimate site should look like. If you're wondering “is mceglowski.substack.com a scam,” there's simply no evidence of that — it's a genuine content site run by a real person. Reviews from readers are positive on the platform itself, and the technical signals back it up.
In plain English
This is a legitimate personal newsletter about Mars exploration, written by a known author and hosted on Substack. Nothing in the technical signals suggests any risk — it's a straightforward blog. You can subscribe with confidence.
Where the score comes from
The site uses modern encryption and enforces secure connections, which is exactly what you'd expect from any legitimate website. No malware or phishing flags have been associated with it.
The publication is hosted on Substack, a well-known platform, and the author is Maciej Cegłowski, a respected figure in tech. The subdomain's WHOIS is tied to Substack, which is perfectly normal for a hosted blog.
The site hasn't been flagged by any blacklists or threat databases, and while it's only a few months old on archive.org, that's common for a new Substack newsletter. No negative reputation signals exist.
The author is clearly named, there's an about page and contact info, and the site's purpose is obvious. Absence of social media links is not unusual for a solo newsletter writer.
The site provides both a privacy policy and terms of service. Since this is a personal blog with no commercial transactions, there are no significant compliance gaps.
The site loads fast on a reputable CDN and has basic security headers in place. The high number of external scripts is typical for a Substack publication and not a sign of tampering.
What we checked
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