CertH certH

shef.ac.uk Skor SSL & laporan kesehatan TLS

Penerbit
Sectigo Public Server Authentication CA DV R36
TLS maks.
TLS1.3
Versi TLS
TLS 1.3 TLS 1.2 TLS 1.1 TLS 1.0
Cipher
ECDHE-RSA-AES256-GCM-SHA384
Kedaluwarsa
12/2/2026 ( 26 hr)
HSTS
Nonaktif
OCSP Stapling
Nonaktif
Terakhir dipindai
11/4/2026, 12:28:19 PM

Why is the score low?

A · 92/100
  • -8
    Less than 30 days left
    Schedule certificate renewal

Ringkasan laporan

shef.ac.uk currently holds an SSL grade of A (92/100) from CertH TLS health monitoring. The site supports TLS1.3, TLS1.2, does not enable HSTS, and its certificate is issued by Sectigo Public Server Authentication CA DV R36 — 26 days left on the certificate. CertH records daily TLS handshake probes into an auditable certificate health trend.

Baik — Keamanan solid dengan hanya masalah kecil — misalnya tanpa HSTS preload atau belum memanfaatkan TLS 1.3 sepenuhnya. Nilai yang umum direkomendasikan.

shef.ac.uk mendapat skor lebih tinggi dari 68% dari 12,269 situs yang dinilai.

Persentil dihitung dari 12,269 situs yang diindeks CertH (termasuk yang belum dinilai), bukan sensus industri.

Terakhir dipindai 2 hari lalu — data mungkin sudah usang

Detail sertifikat & konfigurasi lengkap

Common Name
*.shef.ac.uk
Kunci
rsaencryption 2048bit
Hash tanda tangan
SHA-256
Rantai
Lengkap
SAN
*.shef.ac.uk · shef.ac.uk
Sidik jari
0b7308a7ff8fcec9c82ae323ca672462b2c29dff58d4327b678c379fe33db1b2
Variabel penjelas
CAA
issue "amazon.com" · issue "godaddy.com" · issue "sectigo.com" · iodef "mailto:soc@sheffield.ac.uk" · issue "letsencrypt.org" · issuewild "sectigo.com" · issuewild "letsencrypt.org" · issue "pki.goog" · issue "digicert.com"
CT SCT
3
Must-Staple
✗
HSTS preloadable
✗
Penanda risiko
Tidak ada risiko berarti

Yang sudah baik

  • TLS 1.3 aktif
  • Rantai sertifikat lengkap
  • Tanpa TLS lama atau cipher lemah

Tren skor

02550751009/8/2026, 6:29:51 PM · 94 (A)9/9/2026, 8:40:25 PM · 95 (A)11/4/2026, 12:28:19 PM · 92 (A)

Riwayat terbaru

WaktuNilai SkorPenerbit
11/4/2026, 12:28:19 PMA92Sectigo Public Server Authentication CA DV R36
9/9/2026, 8:40:25 PMA95Sectigo Public Server Authentication CA DV R36
9/8/2026, 6:29:51 PMA94Sectigo Limited

Score change insights · Last 90 days

Net change ↓ -3
  • ↓
    11/4/2026 -3
    Config scoring adjustment
    Also observedCAA: — → issue "amazon.com", issue "godaddy.com", issue "sectigo.com", iodef "mailto:soc@sheffield.ac.uk", issue "letsencrypt.org", issuewild "sectigo.com", issuewild "letsencrypt.org", issue "pki.goog", issue "digicert.com"

Tanya jawab

Kapan sertifikat shef.ac.uk kedaluwarsa?

Sertifikat shef.ac.uk kedaluwarsa pada 12/2/2026, dalam 26 hari, diterbitkan oleh Sectigo Public Server Authentication CA DV R36.

Apakah konfigurasi TLS shef.ac.uk aman?

shef.ac.uk saat ini A (92/100), menegosiasikan TLS1.3, TLS1.2 dan does not enable HSTS.

Mengapa skor shef.ac.uk berubah?

11/4/2026: -3 poin — Config scoring adjustment