Pemeriksa IP
Temukan alamat IP publik Anda, lokasi, ISP, dan informasi zona waktu.
Pemeriksa Browser
Deteksi browser, OS, ukuran layar, zona waktu, dan detail koneksi Anda.
Pencarian Whois
Cari data pendaftaran domain
Pencarian DNS
Kueri catatan DNS
Pemeriksa Port
Periksa port jaringan
Pemeriksa SSL
Verifikasi sertifikat SSL
Parser User Agent
Analisis string User Agent
Tes Ping
Uji konektivitas jaringan
Traceroute
Lacak jalur jaringan
Penampil Header HTTP
Lihat header respons HTTP
HTTP Request Builder
Build and test API requests online
Email Header Analyzer
Analyze email routing and authentication
Free Online Network and Diagnostic Tools
This network toolkit covers the diagnostic and lookup utilities developers, IT admins, and curious users need daily: IP address inspection, DNS lookups, port testing, traceroute alternatives, WHOIS queries, SSL certificate inspection, and HTTP header checking. Each tool is focused and fast — no bloated dashboard, no account required.
These tools help diagnose connection issues, verify domain configuration, confirm that a service is reachable, and understand what a server is actually returning. Use them when something is not loading, when you need to verify a DNS change, or when you want to understand the response headers a service is sending.
Why These Network Tools
No Command Line Needed
Get ping, DNS, whois, and traceroute-style results without opening a terminal. Perfect for quick checks from any device.
Fresh Results
Queries go out when you click. No cached answers, so you see the live state of DNS, certificates, or connectivity.
Works on Mobile
Run a WHOIS or SSL check from your phone while troubleshooting on the go. No native app required.
Clear Readable Output
Results are formatted for humans — not raw dumps. Easier to read, faster to interpret, still complete.
Common Network Diagnostic Tasks
Users typically reach for these tools to:
- Verify a recent DNS change propagated by checking the current A, MX, or CNAME records for a domain.
- Diagnose why a website is not loading by checking DNS, SSL certificate validity, and HTTP response.
- Look up the owner and registration details of a domain before making a purchase or filing a complaint.
- Inspect the SSL certificate of a server to check its issuer, expiration date, and supported ciphers.
- Check if a specific port is open on a remote server when debugging a service that is not reachable.
How to Use the Network Tools
Every network tool works the same way:
- Pick a tool. Choose the lookup, tester, or inspector from the cards above.
- Enter a domain or IP. Type the target and hit go. Most tools accept a domain name, an IP, or a URL.
- Read the result. Results appear in seconds, formatted for quick scanning. Copy or share the output directly.
Network Tools FAQ
Are queries cached or live?
Queries go out live each time you click. DNS and WHOIS results reflect the current state, not a cached copy.
Can I query any public domain?
Yes. All tools work against any publicly reachable domain or IP. Internal private addresses cannot be reached from a public tool.
Do you log what I look up?
We log basic request metrics for uptime monitoring, but we do not store or share the specific domains, IPs, or hostnames you query.
Why does a DNS lookup show a different result than my system?
Your system may use a local DNS cache, a private resolver, or a different public DNS. Our tools query from our server, which may see more up-to-date or different records.
Can these tools find vulnerabilities?
They are diagnostic tools, not security scanners. They show public information like certificates, ports, and records, but will not run deep vulnerability scans.