Public IP utility
See your IP in one glance.
Clean, fast, and built for real use. Copy your IP instantly, validate IPv4/IPv6, and hit API endpoints without friction.
Trusted by developers for instant IP checks, DNS diagnostics, and AI-agent troubleshooting.
Tip: press C to copy IP, / to jump to tool search.
API Playground
Click “Run” to fetch live output.
Featured Apps
Start here for the most important workflows.
📪 Mail Tester Premium
Complete deliverability cockpit with scoring, fixes, and compare mode.
🧭 My Environment
Your personal control room for monitors, alerts, and push notifications.
⚡ Internet Speed Test
Realtime speed test with premium verdict and improvement advice.
📡 TLS Watchlist
Track certificate expiry across multiple domains at once.
⏱️ Uptime Checker
Fast health check with response time and availability.
🧯 Delist Assistant
Blacklist hits + direct delist playbook met impact.
Use-case shortcuts
Tools
Tool Copilot
Describe what you want to do and I’ll route you to the best tool.
Regular tools
IPv4 Checker
Check whether your public IP is IPv4.
IPv6 Checker
Verify native IPv6 availability.
WebRTC Leak Test
Inspect browser-exposed ICE candidates.
DNS Leak Check
Practical DNS leak validation flow.
DNS Lookup
A/AAAA/CNAME/MX/TXT/NS lookup with TTL and quick diagnostics.
Reverse DNS (PTR)
Find hostnames behind an IP and validate reverse setup.
TLS / SSL Checker
Inspect certificate issuer, dates, SANs, and validity.
MX Lookup
See MX targets in priority order for mail routing.
SPF Checker
Fetch SPF TXT and flag soft/hard fail policy.
DMARC Checker
Validate _dmarc record and policy posture.
NS Lookup
List authoritative nameservers for a domain.
Port Checker
Test common TCP ports from our server.
DNS Propagation
Compare A-record answers across major public resolvers.
HTTP Headers
Fetch response headers and security directives quickly.
Redirect Checker
Trace redirect chains and final destination URLs.
Whois Lite
Quick whois snapshot for registrar and domain metadata.
Bulk DNS Checker
Check multiple domains at once for A and NS records.
User-Agent Analyzer
Decode UA strings and classify bot/LLM likelihood.
Internet Speed Test
Measure ping, download and upload in your browser.
IP Location Lookup
Find country, city, ISP and ASN details for an IP address.
Website PageSpeed Audit
Core Web Vitals and performance score (mobile/desktop).
Uptime & Response Checker
Quick 5-run uptime + response-time test.
IP Reputation Lookup
Risk-style lookup based on proxy/hosting/mobile signals.
Port Range Scanner
Scan a custom list of TCP ports on a host.
Geo Latency Estimator
Estimate RTT from geographic distance between IPs.
DNSSEC Validator
Check DS/DNSKEY presence for DNSSEC readiness.
TLS Expiry Monitor
See certificate expiry and issuer in one check.
Security Headers Score
Score HSTS/CSP/XFO and other key headers.
Traceroute Viewer
See hop-by-hop route diagnostics to a target host.
ASN Lookup
Find ASN, ISP and org details for an IP.
CIDR/Subnet Calculator
Calculate network, broadcast and usable host counts.
Reverse IP Lite
Resolve host to A/AAAA and inspect target IPs.
Robots/Sitemap Validator
Validate robots.txt and sitemap.xml availability.
HTTP/2 & HTTP/3 Checker
Check protocol support and alt-svc hints.
Email Deliverability Check
Quick SPF, DKIM and DMARC presence checks.
CDN & WAF Detector
Detect common CDN/WAF signatures from headers.
Bulk Security Headers (Premium)
Analyze security headers for up to 20 URLs in one run.
TLS Watchlist (Premium)
Track certificate expiry for multiple hosts at once.
Domain Drift Monitor (Premium)
Compare DNS records with saved baselines and detect drift.
Mail Tester API (Premium)
Mail deliverability scoring workflow (roadmap).
Email Auth Audit (Premium)
SPF, DKIM en DMARC controle voor een domein.
Multi Port Monitor (Premium)
Check meerdere poorten tegelijk op open/closed status.
Bulk DNS Propagation (Premium)
Controleer A/NS records voor meerdere domeinen.
Response Waterfall Lite (Premium)
TCP connect, TTFB en totale responstijd.
DNSBL IP Check (Premium)
Snelle blacklist-check tegen populaire DNSBL-zones.
Blacklist Delist Assistant (Premium)
Delist playbook with impact forecast per blacklist hit.
SPF Flatten Analyzer (Premium)
Detect SPF lookup-risico en flatten-kansen.
DMARC Forensic Parser (Premium)
Parse forensic headers en geef directe actiestappen.
Redirect Chain Visualizer (Premium)
Visualiseer redirect-hops, latency en optimalisatiekansen.
TLS Chain Trust Debugger (Premium)
Debug certificaat-chain, trust en expiry risico.
Premium tools
Advanced: Session diagnostics (optional)
Technische browsergegevens en lokaal opgeslagen checks. Voor power users.
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Recent IP history
No local history yet.
Saved checks
FAQ
Is this my private IP?
No, this shows your public internet-facing IP address.
Do you store personal data?
Only basic request analytics for service quality and abuse prevention.
Can I use this in scripts?
Yes, use /api/ip, /api/ipv4, /api/ipv6, and /api/headers.
Why does my IP sometimes change?
Mobile and ISP networks can rotate public IPs automatically.