All tools
Every test and tool ping123 offers.
Tests
IP LookupPublic IP, location, ASN, native IP, risk score
DNS LeakWhere your DNS queries go
WebRTC LeakReal IP and NAT type via 4 STUN servers
Split RoutingDirect vs proxy exits, site latency
FingerprintFingerprint components and consistency
AI & platforms
ChatGPTRegion support and network environment
ClaudeRegion support and network environment
GeminiRegion support and network environment
TikTokRegional signals and network environment
Service StatusOfficial status of 41 services
Network tools
IP subnet calculatorIPv4 / IPv6
SSL certificate checkValidity, issuer, covered names, TLS version
DNS record lookupCompare results from mainland China and abroad
Email domain checkMX · SPF · DKIM · DMARC
HTTP header checkRedirects, headers, security headers
Open port checkTests your current public IP from outside
MAC address vendor lookupIEEE registry, detects random MACs
My request headersHeaders your browser sends
WHOIS lookupDomain and IP registration