# Overview

The Diagnostics view provides five network diagnostic tools accessible via tabs: Ping, Trace, iPerf, DNS, and Port. These tools run natively on your machine; no external software required.

# Ping

Test latency and packet loss to any IP or hostname.

# Running a Ping

1. Enter a target address (e.g. 8.8.8.8)
2. Select the number of packets (10, 25, 50, or 100)
3. Click Run Ping

# Results

Results show:

• Minimum, average, and maximum latency
• Packet loss percentage
• Router ping result (if available)

Expand Raw Output to see the full ping output, split into:

• From This Device: Standard ICMP ping from your computer
• Via Starlink Router: Ping executed through the router’s built-in diagnostics (JSON response with latency in milliseconds)

# Traceroute

Trace the network path between your device and a target.

# Running a Traceroute

1. Enter a target hostname or IP
2. Click Run Traceroute

# Results

Each hop shows:

• Hop number
• IP address(es), some hops may show multiple IPs for load-balanced paths
• Round-trip times (typically three samples per hop)
• Asterisks (*) for hops that did not respond

Traceroute uses the native OS command (traceroute on macOS/Linux, tracert on Windows).

# iPerf

Run bandwidth tests against public iPerf3 servers for an independent speed measurement (separate from the Starlink router’s built-in speed test).

# Running a Test

1. Select a server from the dropdown (e.g. Hurricane Electric US, Bouygues FR)
2. Set the port (default: 5201)
3. Choose duration: 10s, 30s, 1m, 5m, 10m, or unlimited
4. Choose direction: Down, Up, or Both
5. Click Start (or Cancel to stop a running test)

# Results

Animated gauges show real-time download and upload speeds with:

• Current throughput
• Maximum achieved
• Progress bar and percentage

Recent test results are listed below the gauges. Click Clear to remove history.

# Settings

Click the gear icon to configure iPerf options (server list, default port).

# DNS

Query DNS records for any hostname.

# Running a Lookup

1. Enter a hostname (e.g. cloudflare.com)
2. Select the record type: A, AAAA, MX, TXT, CNAME, or NS
3. Optionally change the DNS server (defaults to System Default)
4. Click Run DNS Lookup

# Results

Results show:

• Query time in milliseconds
• Number of records returned
• Each record value (e.g. IP addresses for A records)
• Raw output (expandable)

# Port

Test whether a TCP port is open on a remote host.

# Running a Check

1. Enter a hostname (e.g. cloudflare.com)
2. Enter a port number or select from Common Ports (HTTP 80, HTTPS 443, SSH 22, etc.)
3. Click Check Port

# Results

Results show:

• Whether the port is open or closed
• Connect time in milliseconds

# Clearing Results

Each tool has a Clear All button to remove all results from the current session.