📄WHOIS
RU-CENTER-RU · registered 25 years ago
🌐DNS
1 A · 1 MX · 4 NS · 1 PTR · 1 SOA · 2 TXT
🔒SSL/TLS
GlobalSign nv-sa · TLSv1.3 · expires in 168d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✗ (p=none)
💻Tech Stack
Host: JSC Severen-Telecom · Email: Self-hosted · nginx
📡HTTP
1 redirect → 200 · HSTS ✓ · CSP ✗ · X-Frame ✗ · Nosniff ✗
🛡️Security
B (155/215) · 1 critical · 2 high
📈Deliverability
A (81/90) · 1 MX · 1 IPs · 3 issue(s)
🔍Subdomains
wildcard DNS — every guessed name resolves