C
75/100
- Penerbit
- Let's Encrypt
- TLS maks.
- TLS1.2
- Cipher
- ECDHE-RSA-AES256-GCM-SHA384
- Kedaluwarsa
- 9/21/2026 (expired 43 days ago)
- HSTS
- Nonaktif
- OCSP Stapling
- Nonaktif
- Terakhir dipindai
- 9/9/2026, 8:37:47 PM
Why is the score low?
C · 75/100-
-20
Expiring soonRenew soon; keep more than 30 days of validity remaining
-
-5
TLS 1.3 not enabledEnable TLS 1.3 on the server
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Ringkasan laporan
rowman.com currently holds an SSL grade of C (75/100) from CertH TLS health monitoring. The site supports TLS1.2, does not enable HSTS, and its certificate is issued by Let's Encrypt — the certificate has expired. CertH records daily TLS handshake probes into an auditable certificate health trend.
Buruk — Cacat keamanan jelas: mendukung TLS 1.0 atau cipher lemah seperti RC4 / 3DES.
rowman.com mendapat skor lebih tinggi dari 5% dari 12,267 situs yang dinilai.
Terakhir dipindai 55 hari lalu — data mungkin sudah usang
Detail sertifikat & konfigurasi lengkap
- Common Name
- rowman.com
- Kunci
- rsaencryption 3072bit
- Hash tanda tangan
- SHA-256
- SAN
- rowman.com
- Sidik jari
- 9091500b6b908302372b52d38c74e606fa405c7758fc63cecdc9b933646e8ef7
Penanda risiko
Tidak ada risiko berarti
Yang sudah baik
- Rantai sertifikat lengkap
- Tanpa TLS lama atau cipher lemah
Tren skor
Riwayat terbaru
| Waktu | Nilai | Skor | Penerbit |
|---|---|---|---|
| 9/9/2026, 8:37:47 PM | C | 75 | Let's Encrypt |
| 9/8/2026, 6:29:51 PM | D | 62 | Let's Encrypt |
Score change insights · Last 90 days
Net change ↑ +13-
↑
9/9/2026 +13 D → CKey strength changed
Tanya jawab
Kapan sertifikat rowman.com kedaluwarsa?
Sertifikat rowman.com kedaluwarsa pada 9/21/2026, dalam -43 hari, diterbitkan oleh Let's Encrypt.
Apakah konfigurasi TLS rowman.com aman?
rowman.com saat ini C (75/100), menegosiasikan TLS1.2 dan does not enable HSTS.
Mengapa skor rowman.com berubah?
9/9/2026: +13 poin — Key strength changed