📄WHOIS
registered 24 years ago
🌐DNS
1 A · 1 MX · 2 NS · 1 PTR · 1 SOA · 5 TXT
🔒SSL/TLS
invalid — REDE NACIONAL DE ENSINO E PESQUISA - RNP · TLSv1.2 · expires in 110d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✗ (p=quarantine)
💻Tech Stack
Host: Rede Nacional de Ensino e Pesquisa · Email: Self-hosted
📡HTTP
2 redirect → 200 · HSTS ✓ · CSP ✗ · X-Frame ✗ · Nosniff ✗
🛡️Security
C (140/215) · 1 critical · 2 high
⚠️Threats
risk: low · 1 recommendation(s)
📈Deliverability
A (82/90) · 1 MX · 1 IPs · 4 issue(s)
🔍Subdomains
5 found · 112 answered — ns, ns1, ns2, www, www2