📄WHOIS
RU-CENTER-RU · registered 28 years ago
🌐DNS
5 A · 4 MX · 2 NS · 5 PTR · 1 SOA · 8 TXT
🔒SSL/TLS
Let's Encrypt · TLSv1.3 · expires in 78d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✓ · DMARC ✓ (p=reject)
💻Tech Stack
Host: OOO Sovremennye setevye tekhnologii · Email: Self-hosted · nginx
📡HTTP
1 redirect → 200 · HSTS ✗ · CSP ✗ · X-Frame ✗ · Nosniff ✗
🛡️Security
C (150/215) · 1 critical · 2 high
📈Deliverability
A (88/100) · 4 MX · 4 IPs · 3 issue(s)
🔍Subdomains
6 found · 88 answered (24 timed out) — email, m, mail, mx1, mx2, www