da-info

Point da-info at a domain.

Redirects, TLS, DNS, hosting, registrar, favicons, OG tags, tech stack, security headers — all at once.

Site requires authentication?
Try: github.com anthropic.com cloudflare.com rust-lang.org

Or: analyze raw email headers

HTTP → HTTPSRedirect verification
www ↔ apexCanonical host probe
TLS certificateIssuer, expiry, SANs, cipher
DNS + IPv6A, AAAA, MX, NS, TXT, CAA, DNSSEC
Hosting / ASNReverse DNS, Team Cymru
RegistrarIANA WHOIS traversal
FaviconsStandard, Apple, Android, SVG
OG / TwitterTitle, description, card
Tech stackCMS, framework, CDN
Security headersHSTS, CSP, frame, cookies
EmailSPF, DMARC, MTA-STS, BIMI, DKIM
Well-knownrobots, sitemap, security.txt