Web & Network Tools
Comprehensive web security and networking diagnostics. Query public DNS records via DoH, analyze SPF/DKIM/DMARC email authentication, inspect SSL/TLS certificates and expiration dates, benchmark website response times, and examine HTTP headers safely.
Available Web & Network Tools (19)
What Is My IP Address
Detect your public IPv4 and IPv6 address, ISP, location, and browser connection details instantly.
IP Address Lookup & Geolocation
Lookup detailed public information for any IPv4 or IPv6 address: ASN, ISP, country, and city.
IPv4 Converter
Convert IPv4 addresses between dotted-decimal, binary, hexadecimal, and integer formats.
DNS Lookup & Record Checker
Query authoritative DNS records (A, AAAA, CNAME, MX, TXT, NS, SOA) via secure DNS-over-HTTPS.
SPF Record Checker & Validator
Validate Sender Policy Framework (SPF) records to prevent email spoofing and ensure delivery to inboxes.
DMARC Record Checker & Validator
Inspect DMARC email authentication policies (none, quarantine, reject) and aggregate reporting tags.
DKIM Record Checker
Check DKIM public key records by selector to ensure outgoing email cryptographic signature validity.
WHOIS Domain Lookup
Lookup domain ownership, registrar information, registration date, expiration date, and nameservers.
Domain Age Checker
Calculate the exact age, registration date, and anniversary of any website domain for SEO analysis.
SSL Certificate Checker & Expiry
Check SSL/TLS certificate validity, issuer authority, SAN domains, and days until expiration.
HTTP Headers & Security Checker
Inspect HTTP response headers, status codes, server technologies, and security headers (HSTS, CSP).
URL Redirect & Status Checker
Trace URL redirect chains (301, 302, 307, 308) to diagnose redirect loops and SEO link equity loss.
Website Response Time & Speed Checker
Benchmark Time to First Byte (TTFB) and server response speeds for any public website.
Subnet Mask & CIDR Calculator (IPv4)
Calculate network addresses, broadcast addresses, usable IP host ranges, and subnet masks from CIDR notation.
HTTP Headers Parser & Inspector
Parse raw HTTP request and response header text into structured tables with security insights.
IPv4 to IPv6 Converter & Mapper
Convert IPv4 addresses to IPv6 formats including 6to4, IPv4-mapped, IPv4-compatible, and Hex representations.
MAC Address Lookup & OUI Vendor Finder
Identify hardware manufacturers from MAC addresses using IEEE Organizationally Unique Identifier (OUI) data.
User Agent Parser & Client Inspector
Parse raw User Agent strings to detect browser version, operating system, device model, and rendering engine.
Web Security Headers Checker & Audit
Audit your website's HTTP security headers for HSTS, Content Security Policy, X-Frame-Options, and vulnerabilities.
Explore Other Categories
Image Tools
Compress, resize, convert, crop, and optimize images locally in your browser.
PDF Tools
Merge, split, rotate, convert, and organize PDF documents securely on your device.
Developer Tools
Format JSON, inspect JWTs, test regular expressions, encode Base64, and generate hashes.
SEO Tools
Preview SERP listings, analyze keyword density, generate robots.txt, and build Schema markup.