📄WHOIS
Knock Knock WHOIS There, LLC · registered 9 years ago · expires 10/19/2026
🌐DNS
2 A · 5 MX · 2 NS · 1 SOA · 3 TXT
🔒SSL/TLS
Google Trust Services · TLSv1.3 · expires in 88d · 49 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✗
💻Tech Stack
CDN: Cloudflare · Host: Automattic, Inc · Email: Google Workspace · nginx
📡HTTP
1 redirect → 200 · HSTS ✗ · CSP ✗ · X-Frame ✗ · Nosniff ✗
🛡️Security
C (145/215) · 1 critical · 2 high
⚠️Threats
risk: low · 1 recommendation(s)
📈Deliverability
F (38/100) · 5 MX · 0 IPs · 3 issue(s)
🔍Subdomains
wildcard DNS — every guessed name resolves
📚Web Archive
no snapshots found