If you've come across lp-push-server-1878.lastpass.com, you're looking at a subdomain that LastPass uses for its push notification service. It immediately redirects to the main lastpass.com website, which is the real password manager millions of people trust. The subdomain itself has solid security: a valid SSL certificate, protection against clickjacking, and no history of malware or phishing. It's served through Akamai's content delivery network, which shows real investment in infrastructure.
For a subdomain that simply forwards traffic, the lack of a separate about page or privacy policy is perfectly normal. Those documents live on the main site, which is well-established and compliant with industry standards. The subdomain doesn't appear in Google's Web Risk database or any DNS blacklists, and its parent domain is one of the best-known names in password management.
So is lp-push-server-1878.lastpass.com safe? All the evidence points to yes. It's a functional part of a legitimate service. You don't need to worry about a scam here.