📄WHOIS
Regional Network Information Center, JSC dba RU-CENTER · registered 8 years ago · expires 12/15/2026
🌐DNS
1 A · 3 MX · 5 NS · 1 PTR · 1 SOA · 1 TXT
🔒SSL/TLS
GlobalSign nv-sa · TLSv1.3 · expires in 115d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✓ (p=reject)
💻Tech Stack
Host: JSC RTComm.RU · Email: Self-hosted · nginx
📡HTTP
1 redirect → 200 · HSTS ✗ · CSP ✗ · X-Frame ✗ · Nosniff ✓
🛡️Security
C (145/215) · 1 critical · 2 high
📈Deliverability
C (60/90) · 3 MX · 3 IPs · 4 issue(s)
🔍Subdomains
2 found · 112 answered — mail, us
📚Web Archive
first snapshot 2021-12-30 · 4y archived