📄WHOIS
registered 16 years ago · expires 7/23/2027
🌐DNS
1 A · 3 MX · 3 NS · 1 PTR · 1 SOA · 3 TXT
🔒SSL/TLS
DigiCert Inc · TLSv1.3 · expires in 176d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✓ (p=reject)
🔐DNSSEC
signed · valid chain of trust
💻Tech Stack
Host: University of Dar es Salaam · Email: Self-hosted · Apache
📡HTTP
HTTP 200 · HSTS ✗ · CSP ✗ · X-Frame ✓ · Nosniff ✓
🛡️Security
C (150/215) · 1 critical · 2 high
📈Deliverability
B (74/90) · 3 MX · 3 IPs · 4 issue(s)
🔍Subdomains
9 found · 112 answered — dns, imap, mail, monitor, mx, smtp +3 more
📚Web Archive
first snapshot 1998-12-06 · 27y archived