28 tools · ready to use

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28 tools for domains, networks and email. Plan: Guest (as guest) · Sign in

All 28 DNS 9 Email 4 SSL 2 Web & Dev 9 Web Speed & Uptime 4

DNS

· 9 tools
Domain Audit

DNS, WHOIS, SSL, SPF/DMARC, blacklist & screenshot
DNS Lookup

Query DNS records from multiple resolvers simultaneously
DNS Diagnostics

Full DNS diagnostic check
DNS History

History of DNS record changes
Domain WHOIS

Domain registration & registrar info
IP WHOIS

IP geolocation, ASN, ISP
Bulk NS Checker

Bulk nameserver check
DNS Propagation Checker

Check DNS propagation across 30+ global resolvers
DNSSEC Validator

DS, DNSKEY, RRSIG chain validation

Email

· 4 tools
Mail Headers Analyzer

Email headers & hop delays
SPF / DKIM / DMARC

SPF / DKIM / DMARC records
Blacklist Checker

Check against 20+ blacklists
Webmail

Quick Webmail access

SSL

· 2 tools
SSL Checker

SSL certificate & chain check
Bulk SSL Checker

SSL check for multiple domains at once

Web & Dev

· 9 tools
Ranking & SEO

Meta tags & SEO analysis
Redirect Checker

Redirect chain with latency per hop
Robots & LLMs Checker

robots.txt & llms.txt analysis
Security Headers

HSTS, CSP, X-Frame-Options and other HTTP security headers
JSON Viewer

Format, syntax highlight & validate JSON
Technology Lookup

What a website is built with (Wappalyzer-style)
Malware & Virus Scanner

Scan a file with 70+ antivirus engines
Base64 & URL Encoder

Base64 encode/decode, URL encode/decode
Subnet / CIDR Calculator

Network range, broadcast & usable IPs from CIDR

Web Speed & Uptime

· 4 tools
Web Page Speed

Google PageSpeed Insights
Up or Down Checker

Check if a site or server is online
Domain Monitor

DNS & SSL monitoring with email alerts
Internet Speed Test

Ping, download, upload

Ports Database

Detailed descriptions for 93+ well-known TCP/UDP ports — SSH, HTTP, MySQL, Redis and more.

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Glossary

Explanations for 22+ networking terms — DNS, SSL, WHOIS, MX records and more.

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