If you've landed on nextiva.atlassian.net, you're probably a Nextiva employee or partner trying to access Jira or Confluence. This is exactly what that URL is for: it's a subdomain hosted on Atlassian's platform, used by the telecom company Nextiva. The site immediately redirects to id.atlassian.com, Atlassian's own authentication system, which handles login securely. That's standard for any company using Atlassian's cloud products.
From a trust perspective, there's nothing to worry about. The connection is encrypted with modern TLS, the server enforces HTTPS, and the site has browser protections against common attacks. The domain itself is clean on every major reputation list, and the infrastructure runs on Amazon Web Services via Atlassian's edge. No scam reports, no blacklist entries, and no suspicious history.
What you should watch for with any SaaS login is phishing attempts that mimic the real page. Here, the domain name is exactly as expected: nextiva.atlassian.net. If you were prompted to sign in on a different-looking page, that would be a red flag. But this URL is the real deal. There's no reason to hesitate using it for your Nextiva work accounts.