🌐DNS
1 A · 1 MX · 2 NS · 1 PTR · 1 SOA · 7 TXT
🔒SSL/TLS
Sectigo Limited · TLSv1.2 · ⚠ 26d left · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✗
💻Tech Stack
Host: Taiwan Academic Network (TANet) Information Center · Email: Self-hosted · Apache
📡HTTP
HTTP 200 · HSTS ✗ · CSP ✓ · X-Frame ✓ · Nosniff ✗
🛡️Security
C (140/215) · 1 critical · 2 high
⚠️Threats
risk: low · 1 recommendation(s)
📈Deliverability
B (74/90) · 1 MX · 1 IPs · 4 issue(s)
🔍Subdomains
5 found · 94 answered (18 timed out) — autodiscover, email, mail, webmail, www
📚Web Archive
first snapshot 1997-01-03 · 29y archived