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Diagnostics

Subdomain finder Find hostnames for your domain—public listings, export-ready. DNS Scanner Full DNS health report in one scan. Email Health MX, SPF, DMARC, DKIM sweep, SMTP :25 probe, DNS blocklists, MTA-STS. Speed Lab Speed test. Page Speed Global load test: TTFB, score, resources, and tips. Redirect check Full redirect chain, status codes, loops, SEO hints. Technical SEO Check Metadata, indexing, HTTPS, redirects, TTFB, and mobile signals — fast developer audit. Tech stack & CMS detector Web server, CDN, CMS, frameworks, and common JS libraries from headers plus HTML fingerprints. What is my IP? Lookup Public IP address lookup, IPv4 & IPv6, geolocation map. ASN / ISP lookup ISP, ASN, and organization for a public IP—useful for abuse reports and debugging. SSL check TLS grade, chain, cipher & weak warnings, expiry, trust. Port check Is a TCP port open? WHOIS Domain registration lookup. Ping TCP ping: latency to host.

DNS lookup

DNS Propagation Same record from your node + Speed Lab mirrors (multi-region). SPF Generator Build SPF TXT records for email.

Security & mail

DMARC Generator Build DMARC TXT records for email.

Developer

JWT Decoder Decode JWT header and payload. Hash Generator MD5, SHA-256 and more. UUID Generator Generate UUID v4. Cron Generator Build cron schedules and preview next run times. cURL Tester Paste a cURL command, send the request. API Endpoint Tester Send requests to any API URL. JSON Formatter Pretty-print JSON, minify, validate, and fix common paste errors. Base64 Encode/Decode Encode or decode Base64 text. URL Encode/Decode Encode or decode URL components. QR Code Generator Create QR codes in your browser. Colors and size. Gamepad tester HTML5 Gamepad API: sticks, axes, buttons, drift & rumble.

Your IP: 216.73.216.42

All tools — home
Email lanedns at lanethost dot com

JWT Decoder

Paste a JWT to decode header and payload. Verification is not performed.

JWT

Header

Payload

DNS, mail, and connectivity diagnostics in your browser. No account required.

DNS lookup

DNS Propagation
SPF Generator
PTR / reverse DNS Soon

Diagnostics

Subdomain finder
DNS Scanner
Email Health
Speed Lab
Page Speed
Technical SEO Check
Redirect check
Tech stack & CMS detector
What is my IP? Lookup
ASN / ISP lookup
SSL check
Port check
WHOIS
Ping
Traceroute Soon

Developer

JWT Decoder
Hash Generator
UUID Generator
Cron Generator
cURL Tester
API Endpoint Tester
JSON Formatter
Base64 Encode/Decode
URL Encode/Decode
QR Code Generator
Gamepad tester

Security & mail

DMARC report Soon
TLS / cert check Soon
Blacklist check Soon

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