📄WHOIS
Jisc Services Limited · registered 9 years ago · expires 8/11/2030
🌐DNS
1 A · 1 MX · 8 NS · 1 PTR · 1 SOA · 2 TXT
🔒SSL/TLS
Let's Encrypt · TLSv1.3 · expires in 37d · 1 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✓ (p=reject)
💻Tech Stack
Host: Amazon Web Services · Email: Self-hosted · DNS: Google Cloud DNS · nginx
📡HTTP
1 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✓ · Nosniff ✓
🛡️Security
B (155/215) · 1 critical · 2 high
📈Deliverability
A+ (86/90) · 1 MX · 2 IPs · 2 issue(s)
🔍Subdomains
wildcard DNS — every guessed name resolves
📚Web Archive
first snapshot 2016-10-02 · 9y archived