ts.gtm.eset.com is a subdomain of ESET, the well-known antivirus and cybersecurity company. Based on the signals we reviewed, this appears to be an internal or technical endpoint, not a site designed for public use. The page itself shows a default nginx welcome screen, and there's no contact information or legal pages, which is normal for this kind of subdomain.
The biggest issue is the SSL certificate: it was issued for a different subdomain (ts.eset.com), so your browser will flag a security warning if you connect directly. For a company whose business is security, this is a surprising oversight. That said, there are no blacklist flags, no Google Safe Browsing threats, and the site is hosted on ESET's own network — so it's not a scam or phishing attempt.
If you've encountered this domain in your network traffic or as part of ESET's software, it's likely a legitimate endpoint that just needs a proper certificate. But if you were expecting a working website, you'll find nothing useful here. The ts.gtm.eset.com review shows a site that is safe in the sense of not being malicious, but not trustworthy for any direct use due to the TLS error. For a genuine ESET resource, stick to their main domains.