📄WHOIS
GMO Internet Group, Inc. d/b/a Onamae.com · registered 17 years ago · expires 1/4/2027
🌐DNS
1 A · 1 MX · 2 NS · 1 PTR · 1 SOA · 2 TXT
🔒SSL/TLS
Let's Encrypt · TLSv1.3 · expires in 73d · 2 SANs
✉️Email Auth
SPF ✗ · DKIM ✓ · DMARC ✗ (p=none)
💻Tech Stack
Host: KDDI CORPORATION · Email: Self-hosted · Apache
📡HTTP
1 redirect → 200 · HSTS ✗ · CSP ✗ · X-Frame ✗ · Nosniff ✗
🛡️Security
C (138/215) · 2 critical · 2 high
📈Deliverability
A (87/100) · 1 MX · 1 IPs · 3 issue(s)
🔍Subdomains
1 found · 112 answered — mail
📚Web Archive
no snapshots found