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Theodore Uzun

Theodore Uzun

Founder and Senior Software Engineer, IP Trackers
Founder profile

Hi, I'm Theodore Uzun

Founder and Senior Software Engineer, IP Trackers

Builds IP Trackers as a founder and senior software engineer, with a focus on practical IP, DNS, ASN, WHOIS, proxy, and VPN diagnostic workflows.

ContactTools maintained
Theodore Uzun
Builtfrom scratch

Frontend, API routes, tool pages, and shared UI systems.

8core tools

Diagnostics for IP, DNS, ASN, WHOIS, proxy, and VPN checks.

88articles connected

Guides and reviews linked back to the tools they explain.

Built and Maintained

Product engineering comes first: articles support the tools, not the other way around.

Credentials

  • Designed and developed IP Trackers from scratch, including the Next.js frontend, API routes, diagnostic tool pages, and reusable UI systems
  • Builds and maintains the IP, ASN, DNS, WHOIS, blacklist, proxy, and VPN leak workflows used across the site
  • Owns the product experience, technical SEO, schema markup, performance tuning, and internal linking structure
  • Reviews tool outputs and supporting articles for technical consistency before publication
  • Tests diagnostic workflows across Windows, macOS, Linux, iOS, and Android

Areas of expertise

Frontend architectureReact and Next.js developmentTypeScript application developmentTechnical SEO and schema markupPerformance-focused UI engineeringIP geolocation accuracyDNS and reverse DNS diagnosticsVPN and proxy detection

Tools Theodore Maintains

Core diagnostic pages connect live checks with practical explanations.

IP address lookupPublic IP, ISP, location, and connection context.DNS leak testChecks whether DNS requests stay inside the expected path.WebRTC leak testFinds browser leaks that can expose local or public IPs.IPv6 leak testVerifies whether IPv6 traffic bypasses a VPN tunnel.ASN lookupConnects IP addresses with network ownership context.WHOIS lookupHelps interpret domain and registration records.Proxy checkDetects proxy, VPN, hosting, and suspicious connection signs.IP blacklist checkChecks reputation signals across common blacklist sources.

Recent Articles

Technical guides and reviews tied to IP Trackers workflows.

June 3, 2026 - 9 min readCGNAT Port Forwarding Not Working? Fix It in 2026Carrier-grade NAT prevents inbound connections before they reach your router. Check WAN vs public IP and fix it with public IPv4, IPv6, or a reverse tunnel.June 3, 2026 - 8 min readReserved IP Address Blocks ExplainedLearn the most common reserved IP ranges: private IPs, CGNAT, loopback, link-local, and documentation blocks.June 2, 2026 - 13 min readAre VPNs Legal? US State Laws and Age Rules (2026)Are VPNs legal in 2026? The Utah VPN law, age-verification rules, where VPNs are banned, and what stays perfectly legal explained for normal users.April 26, 2026 - 8 min readWhat is an IP Address and How Does it Work?Learn the fundamentals of IP addresses, how they are assigned, and their role in internet communication.April 26, 2026 - 12 min readHow to Protect Your IP Address from TrackingDiscover effective methods to protect your IP address and maintain online privacy using VPNs, Tor, and more.April 26, 2026 - 10 min readIPv4 vs IPv6: Understanding the DifferencesExplore the key differences between IPv4 and IPv6 protocols and why the internet is transitioning to IPv6.

Contact

Reach the editor at the contact page.

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