Network Tests
Organize network tests by the question they answer.
RouterWiz should not present network tests as a random toolbox. Each test belongs to a layer: local device, router, WAN path, public reachability, ISP, DNS, or web response.
Public IP Check
Use first for WAN reachability, DDNS, CGNAT suspicion, and router WAN comparison.
Open toolIP Lookup
Read registry, ASN, and provider context behind a public IP before deeper WAN assumptions.
Open toolIP Location
Read country, city, timezone, and provider context behind a public IP.
Open toolDDNS Hostname Checker
Compare your current public IP with the DDNS hostname answer and public resolver propagation.
Open toolPort Reachability Test
Check whether a TCP port appears open and move straight into troubleshooting if it does not.
Open toolPublic Service Check
Resolve a public host, test the TCP port, and confirm whether HTTP or HTTPS responds.
Open toolDNS Lookup
Resolve A, AAAA, or CNAME records when remote access depends on a hostname.
Open toolDNS Propagation
Compare resolver answers side by side before concluding DDNS is still stale.
Open toolReverse DNS
Read PTR information for a public IP when you need WAN-side naming context.
Open toolHTTP Headers
Inspect headers, redirects, and public response behavior for websites and home servers.
Open toolSSL Check
Inspect certificate validity, issuer, and TLS protocol details.
Open toolNAT Path Checker
Compare the public IP with the router WAN IP before blaming port rules alone.
Open toolNAT Type Checker
Combine browser NAT probe signals, WAN clues, and an optional port check.
Open toolPing
Use ICMP reachability as a quick path clue before deeper checks.
Open toolTraceroute
Read early path hops when you need more context than a single ping.
Open toolRouter and gateway checks
- Router Login Helper
- Default gateway finder flow
- Router WAN IP comparison with public IP
- Double NAT and CGNAT hints from the WAN side
- Browser-based NAT type estimate
Public reachability checks
- What Is My IP
- Port Checker
- HTTP and HTTPS reachability clues from headers and TLS
Name resolution checks
- DNS Lookup
- DNS Propagation
- Reverse DNS
- DDNS hostname validation
- Propagation checks across public resolvers
Path and latency checks
- Ping
- Traceroute
- Packet loss and ISP path guidance
- Lightweight server-side execution with public-target guardrails
Local diagnostics via agent
- Local listener test
- Firewall rule check
- Double NAT suspicion
- CGNAT suspicion


