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Analyze a raw email or .eml file locally: SPF/DKIM/DMARC results, sender spoofing, Reply-To and display-name tricks, hidden links, dangerous attachments and scam language, with an optional live SPF/DMARC DNS check. No API key required.
Open Tool
Inspect URL warning signs locally: misleading domains, hidden destinations, shorteners, HTTP, IP addresses and suspicious patterns. Includes an explained warning score, copy result and JSON report. No API key required. URL heuristics only:
Open Tool
Port lookup and Nmap-powered TCP/UDP scanning, optional service-version detection and OS fingerprinting. Requires the separate Python + Nmap engine. Scan authorized targets only.
Open Tool
Encode and decode Base64 for text, files, and images with full UTF-8 support. Includes URL encoding, MD5 hashing, SAML tools, and JSON formatting—for free.
Open Tool
Calculate IPv4 and IPv6 subnets, host ranges, masks, reverse DNS zones, and adjacent networks with this free CIDR tool.
Open Tool
Check domain DNS records, including A, AAAA, MX, TXT, and more. View common records together and run IPv4 or IPv6 reverse lookups—for free.
Open Tool