LEARN NETWORKING
Network diagnostics guides
Step-by-step explanations of the tools every network admin reaches for — what they measure, how to read the results, and when to use them. Every guide links to a free online tool that runs the same test from a remote Globalping probe.
12 Network Troubleshooting Tools in 2026
Compare 12 network troubleshooting tools in 2026 with a symptom-to-tool table, Windows and Linux commands, and the right order to use them.
Network Troubleshooting in 2026: An 8-Step Guide
Fix network problems in 2026 with 8 ordered steps, local commands and free online tools covering physical, IP, DNS, port and speed checks.
Ping vs Traceroute: When to Use Each in 2026
Ping vs traceroute explained in 2026: what each ICMP tool measures, the question each answers, plus commands and a remote probe comparison.
What Is My IP Address?
What is my IP address? Learn IPv4 vs IPv6, public vs private addresses, what your IP reveals and how to check it free in 2026.
How to Ping a Website or IP Address in 2026
Learn how to ping a website in 2026: Windows, macOS and Linux commands, how to read latency and packet loss, plus a free online ping test.
How to Check If a Port Is Open: Remote and Local Tests
How to check if a port is open in 2026: remote and local tests, what open, closed and filtered mean, and the most common TCP ports.
Traceroute Explained: How to Read Hops and Find Problems
Traceroute explained: read hops, RTT, latency and asterisks, compare Windows and Linux commands, and find real network problems without false alarms.
DNS Server Not Responding? How to Check DNS Records and Fix It
DNS server not responding? Check A, MX and TXT records from several regions, then work through the fixes that solve most resolver failures.
Website Speed Test: Measure Load Time Remotely
Test website speed in 2026 from remote probes. Learn DNS, TCP, TLS and TTFB timings, benchmark numbers and Core Web Vitals limits.
Who Owns an IP Address? Find the ASN and Network
Who owns an IP address? Look up any public IP to find the country, ASN and network owner — and learn why the location is approximate.