zveraFast, clean, and reliable diagnostic utilities built for IT professionals, network administrators, systems engineers, and web developers. No sign-up, no subscriptions, and no intrusive popups.
Diagnose IP assignments, inspect DNS zone configurations, and calculate subnets.
Detect your real public IP, ISP provider, Autonomous System Number (ASN), approximate location, and network details without tracking or paid APIs.
Query A, AAAA, MX, TXT, NS, CNAME, CAA, and SOA records with automatic SPF and DMARC verification.
Calculate network address, broadcast, first/last usable IP, netmask, wildcard mask, and binary bit allocation instantly.
Map router hops, measure intermediate latency, detect packet loss, and export client-ready PDF reports.
Verify HTTPS security certificates, test live HTTP latency, and check redirect paths.
Check if any website is up or down, measure TTFB latency, inspect status codes, and follow redirect chains safely.
Inspect SSL/TLS certificate validity, issuer, expiration countdown, Subject Alternative Names (SANs), and cipher suite.
These free tools provide instant one-off diagnostics. For production infrastructure, Uzvera delivers 24/7 automated uptime tracking, SSL expiration alerts, SSH terminal access, and remote desktop control in one focused dashboard.
Everything you need to know about our free tools and underlying architecture.
No. All tools in the Uzvera Tools section are 100% free and open to the public. There is no login wall, no subscription requirement, and no credit card needed.
The tools are designed for regular interactive troubleshooting and diagnostics. Standard per-IP rate limits are in place to prevent automated scraping and abuse, ensuring high availability for everyone.
No. All tools use native server capabilities, standard network protocols (DNS, TLS, HTTP), and reputable public resolvers. We do not sell your queries or depend on third-party commercial tracking APIs.
These public web tools allow you to perform immediate one-time checks directly from your browser. Uzvera's commercial platform provides automated 24/7 background monitoring, proactive incident alerting via email and push, remote desktop access, SSH terminal management, and network discovery.