📄WHOIS
HANGANG Systems, Inc. dba Doregi.com · registered 26 years ago · expires 10/28/2035
🌐DNS
1 A · 1 MX · 3 NS · 1 SOA · 1 TXT
🔒SSL/TLS
GlobalSign nv-sa · TLSv1.2 · expires in 117d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✗
💻Tech Stack
Host: kt HCN Co.,Ltd. · Email: Self-hosted · Apache
📡HTTP
1 redirect → 200 · HSTS ✗ · CSP ✗ · X-Frame ✗ · Nosniff ✗
🛡️Security
C (145/215) · 1 critical · 2 high
📈Deliverability
B (71/90) · 1 MX · 1 IPs · 5 issue(s)
🔍Subdomains
wildcard DNS — every guessed name resolves