📄WHOIS
DOMENUS-RU · registered 22 years ago
🌐DNS
1 A · 1 MX · 2 NS · 1 PTR · 1 SOA · 1 TXT
🔒SSL/TLS
Let's Encrypt · TLSv1.2 · expires in 73d · 5 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✓ (p=reject)
💻Tech Stack
Host: Citytelecom LLC · Email: Self-hosted · nginx · PHP
📡HTTP
2 redirect → 200 · HSTS ✗ · CSP ✗ · X-Frame ✗ · Nosniff ✗
🛡️Security
C (145/215) · 1 critical · 2 high
📈Deliverability
A (84/90) · 1 MX · 2 IPs · 3 issue(s)
🔍Subdomains
wildcard DNS — every guessed name resolves