📄WHOIS
RU-CENTER-RU · registered 23 years ago
🌐DNS
1 A · 2 MX · 3 NS · 1 PTR · 1 SOA · 1 TXT
🔒SSL/TLS
Let's Encrypt · TLSv1.3 · expires in 50d · 4 SANs
✉️Email Auth
SPF ✓ · DKIM ✓ · DMARC ✗ (p=none)
💻Tech Stack
Host: Federal State Autonomous Educational Institution of Higher Education North-Caucasian Federal University · Email: Self-hosted · Apache
📡HTTP
HTTP 200 · HSTS ✗ · CSP ✗ · X-Frame ✗ · Nosniff ✗
🛡️Security
C (145/215) · 1 critical · 2 high
📈Deliverability
A (93/100) · 2 MX · 3 IPs · 2 issue(s)
🔍Subdomains
2 found · 111 answered (1 timed out) — mx, www