支持 A 评级的网站（2026）
扫描自 20,000 个全球热门域名 · 更新于 2026-11-07
12,269收录域名
32%A+ 占比 (3944)
94.8平均分
↑ 115本月改善域名
| # | 域名 | 等级 | 分数 | 30 天趋势 | 涨跌 | TLS | 签发机构 | HSTS | 到期 |
|---|---|---|---|---|---|---|---|---|---|
| 3351 | unair.ac.id | A | 100 | — | – | TLS1.3 | Sectigo Public Server Authentication CA DV R36 | — | 112 天 |
| 3352 | unav.edu | A | 100 | — | – | TLS1.3 | Let's Encrypt | — | 78 天 |
| 3353 | unc.edu | A | 100 | — | – | TLS1.3 | Let's Encrypt | 46 天 | |
| 3354 | uncw.edu | A | 100 | — | – | TLS1.3 | Sectigo Public Server Authentication CA OV R36 | — | 117 天 |
| 3355 | undocs.org | A | 100 | — | – | TLS1.3 | Amazon RSA 2048 M01 | — | 104 天 |
| 3356 | unesco.de | A | 100 | — | – | TLS1.3 | Let's Encrypt | — | 44 天 |
| 3357 | unhchr.ch | A | 100 | — | – | TLS1.3 | Let's Encrypt | — | 45 天 |
| 3358 | uni-bielefeld.de | A | 100 | — | – | TLS1.3 | GEANT TLS RSA 1 | — | 195 天 |
| 3359 | uni-due.de | A | 100 | — | – | TLS1.3 | GEANT TLS RSA 1 | 108 天 | |
| 3360 | uni-erlangen.de | A | 100 | — | – | TLS1.3 | GEANT TLS ECC 1 | — | 182 天 |
| 3361 | uni-freiburg.de | A | 100 | — | – | TLS1.3 | GEANT TLS RSA 1 | — | 164 天 |
| 3362 | uni-giessen.de | A | 100 | — | – | TLS1.3 | GEANT TLS RSA 1 | — | 92 天 |
| 3363 | uni-goettingen.de | A | 100 | — | – | TLS1.3 | GEANT TLS ECC 1 | — | 47 天 |
| 3364 | uni-graz.at | A | 100 | — | – | TLS1.3 | GEANT TLS ECC 1 | — | 87 天 |
| 3365 | uni-hamburg.de | A | 100 | — | – | TLS1.3 | Let's Encrypt | — | 58 天 |
| 3366 | uni-konstanz.de | A | 100 | — | – | TLS1.3 | GEANT TLS RSA 1 | — | 93 天 |
| 3367 | uni-leipzig.de | A | 100 | — | – | TLS1.3 | GEANT TLS ECC 1 | — | 94 天 |
| 3368 | uni-oldenburg.de | A | 100 | — | – | TLS1.3 | GEANT TLS RSA 1 | — | 190 天 |
| 3369 | uni-potsdam.de | A | 100 | — | – | TLS1.3 | GEANT TLS RSA 1 | — | 176 天 |
| 3370 | uni-sofia.bg | A | 100 | — | – | TLS1.3 | Sectigo Public Server Authentication CA DV R36 | — | 184 天 |
| 3371 | uniba.it | A | 100 | — | – | TLS1.3 | GEANT TLS RSA 1 | — | 97 天 |
| 3372 | unibuc.ro | A | 100 | — | – | TLS1.3 | Let's Encrypt | — | 28 天 |
| 3373 | unicaen.fr | A | 100 | — | – | TLS1.3 | GEANT TLS RSA 1 | — | 161 天 |
| 3374 | unicatt.it | A | 100 | — | – | TLS1.3 | GEANT TLS RSA 1 | — | 161 天 |
| 3375 | unifi.it | A | 100 | — | – | TLS1.3 | GEANT TLS RSA 1 | — | 95 天 |
| 3376 | unige.ch | A | 100 | — | – | TLS1.3 | DigiCert EV RSA CA G2 | — | 102 天 |
| 3377 | unileon.es | A | 100 | — | – | TLS1.3 | GEANT TLS RSA 1 | — | 92 天 |
| 3378 | union.edu | A | 100 | — | – | TLS1.3 | Let's Encrypt | 79 天 | |
| 3379 | unisa.edu.au | A | 100 | — | – | TLS1.3 | DigiCert Global G2 TLS RSA SHA256 2020 CA1 | — | 175 天 |
| 3380 | united.com | A | 100 | — | – | TLS1.3 | GeoTrust TLS RSA CA G1 | — | 32 天 |
| 3381 | unitn.it | A | 100 | — | – | TLS1.3 | GEANT TLS RSA 1 | — | 104 天 |
| 3382 | unity.com | A | 100 | — | – | TLS1.3 | DigiCert Global G3 TLS ECC SHA384 2020 CA1 | — | 63 天 |
| 3383 | univ-grenoble-alpes.fr | A | 100 | — | – | TLS1.3 | GEANT TLS RSA 1 | — | 182 天 |
| 3384 | univ-lorraine.fr | A | 100 | — | – | TLS1.3 | GEANT TLS RSA 1 | — | 148 天 |
| 3385 | univ-paris13.fr | A | 100 | — | – | TLS1.3 | GEANT TLS RSA 1 | — | 34 天 |
| 3386 | universalis.fr | A | 100 | — | – | TLS1.3 | Sectigo Public Server Authentication CA DV R36 | — | 90 天 |
| 3387 | universiteitleiden.nl | A | 100 | — | – | TLS1.3 | GEANT TLS RSA 1 | — | 92 天 |
| 3388 | universityofcalifornia.edu | A | 100 | — | – | TLS1.3 | Let's Encrypt | 45 天 | |
| 3389 | universityworldnews.com | A | 100 | — | – | TLS1.3 | Let's Encrypt | — | 36 天 |
| 3390 | univie.ac.at | A | 100 | — | – | TLS1.3 | GEANT TLS RSA 1 | 195 天 | |
| 3391 | unl.pt | A | 100 | — | – | TLS1.3 | GEANT TLS RSA 1 | — | 40 天 |
| 3392 | unlv.edu | A | 100 | — | – | TLS1.3 | Let's Encrypt | 62 天 | |
| 3393 | uns.ac.id | A | 100 | — | – | TLS1.3 | GeoTrust TLS RSA CA G1 | — | 61 天 |
| 3394 | unstoppable.ai | A | 100 | — | – | TLS1.3 | Let's Encrypt | — | 49 天 |
| 3395 | unu.edu | A | 100 | — | – | TLS1.3 | Let's Encrypt | 46 天 | |
| 3396 | unv.org | A | 100 | — | – | TLS1.3 | GlobalSign Atlas R46 DV TLS CA 2026 Q4 | — | 87 天 |
| 3397 | uoou.cz | A | 100 | — | – | TLS1.3 | Let's Encrypt | — | 60 天 |
| 3398 | uoregon.edu | A | 100 | — | – | TLS1.3 | InCommon RSA Server CA 2 | — | 151 天 |
| 3399 | upatras.gr | A | 100 | — | – | TLS1.3 | HARICA Institutional TLS RSA 2 | — | 67 天 |
| 3400 | upc.edu | A | 100 | — | – | TLS1.3 | GEANT TLS RSA 1 | 92 天 |
追踪你域名的评分变化
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常见问题
如何获得 A+ 评级？
启用 TLS 1.3 与强加密套件、确保完全前向保密（PFS）、正确部署 HSTS，并使用可信 CA 签发的有效证书。
证书有效但评分不高是为什么？
评分评估的是整体 TLS 配置：旧协议版本、弱加密套件或缺少 HSTS 都会扣分。