📄WHOIS
HANGANG Systems, Inc. dba Doregi.com · registered 22 years ago · expires 4/24/2031
🌐DNS
1 A · 1 MX · 2 NS · 1 SOA · 1 TXT
🔒SSL/TLS
Sectigo Limited · TLSv1.2 · ⚠ 6d left · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✗
💻Tech Stack
Host: KOREA CABLE TELECOM · Email: Self-hosted · Apache
📡HTTP
3 redirect → 200 · HSTS ✗ · CSP ✗ · X-Frame ✗ · Nosniff ✗
🛡️Security
C (145/215) · 1 critical · 2 high
📈Deliverability
B (70/90) · 1 MX · 1 IPs · 5 issue(s)
🔍Subdomains
2 found · 112 answered — m, www