Hosted Service Fingerprint Finder
Inspect DNS evidence to identify likely hosted platforms and services such as Cloudflare, Shopify, GitHub Pages, HubSpot, Microsoft 365, and more.
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How to Identify a Hosted Service from DNS Clues
Learn how to identify a hosted service or platform from DNS clues such as CNAME targets, MX patterns, TXT records, and provider-specific hostname conventions.
How Certificate Transparency Helps Find Subdomains
Learn how certificate transparency logs help find subdomains, what the data misses, and how to interpret CT-based hostname discovery safely.
How to Check MTA-STS
Learn how to validate MTA-STS using both the DNS TXT record and the hosted HTTPS policy file, including common issues and troubleshooting steps.
