📄WHOIS
Regional Network Information Center, JSC dba RU-CENTER · registered 11 years ago · expires 7/2/2027
🌐DNS
1 A · 1 MX · 3 NS · 1 PTR · 1 SOA · 1 AAAA
🔒SSL/TLS
invalid — Let's Encrypt · TLSv1.3 · expires in 67d · 2 SANs
✉️Email Auth
SPF ✗ · DKIM ✗ · DMARC ✗
💻Tech Stack
Host: Research and Production Company Medicina-Tekhnika LLC · Email: Self-hosted · nginx
📡HTTP
2 redirect → 200 · HSTS ✗ · CSP ✗ · X-Frame ✗ · Nosniff ✓
🛡️Security
C (130/215) · 2 critical · 2 high
📈Deliverability
B (66/90) · 1 MX · 2 IPs · 4 issue(s)
🔍Subdomains
1 found · 111 answered (1 timed out) — www
📚Web Archive
first snapshot 2018-08-04 · 7y archived