I got a suspicious text
Phishing link check → Lookalike domains
Phishing Link CheckSecurity Tools 22
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I am launching a site
Go-Live → SSL → HTTP
Go-LiveMy mail lands in spam
Email deliverability → DNS lookup
Email deliverabilitySite checks · 8
Full security check
Five questions in one check: an A+ to F grade and what to fix first.
RecommendedGo-Live
Is a new site ready to launch: DNS, TLS, HTTPS, headers.
OWASP
The OWASP Top 10 items visible from outside.
SSL
Certificate, chain and TLS version, read from Seoul.
HTTP
Redirect chain and security headers, graded A–F.
Post-Quantum TLS
Does the site offer post-quantum key exchange?
Exposed Admin Pages
Find admin screens and test servers open to the internet.
MCP Server Check
Before connecting an MCP server: auth, tools that act, poisoned descriptions.
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