📄WHOIS
GMO Internet Group, Inc. d/b/a Onamae.com · registered 25 years ago · expires 8/29/2028
🌐DNS
1 A · 3 MX · 4 NS · 1 PTR · 1 SOA · 9 TXT
🔒SSL/TLS
Let's Encrypt · TLSv1.2 · expires in 32d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✓ (p=quarantine)
💻Tech Stack
Email: Self-hosted · DNS: AWS Route 53 · Cloudflare
📡HTTP
3 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✓ · Nosniff ✗
🛡️Security
B (160/215) · 1 critical · 2 high
📈Deliverability
D (38/90) · 3 MX · 0 IPs · 3 issue(s)
🔍Subdomains
1 found · 112 answered — www