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 |
|---|---|---|---|---|---|---|---|---|---|
| 3301 | ub.gov.mn | A | 100 | — | – | TLS1.3 | Let's Encrypt | — | 31 天 |
| 3302 | uba.ar | A | 100 | — | – | TLS1.3 | GlobalSign Atlas R46 DV TLS CA 2026 Q3 | — | 64 天 |
| 3303 | uberant.com | A | 100 | — | – | TLS1.3 | Let's Encrypt | — | 43 天 |
| 3304 | uberflip.com | A | 100 | — | – | TLS1.3 | Let's Encrypt | — | 33 天 |
| 3305 | ubi.com | A | 100 | — | – | TLS1.3 | Amazon RSA 2048 M01 | — | 112 天 |
| 3306 | ubisoft.com | A | 100 | — | – | TLS1.3 | Amazon RSA 2048 M04 | — | 115 天 |
| 3307 | ubnt.com | A | 100 | — | – | TLS1.3 | Amazon RSA 2048 M04 | — | 79 天 |
| 3308 | ubu.com | A | 100 | — | – | TLS1.3 | Let's Encrypt | — | 51 天 |
| 3309 | ubuntu-fr.org | A | 100 | — | – | TLS1.3 | GandiCert | — | 37 天 |
| 3310 | ucar.edu | A | 100 | — | – | TLS1.3 | Let's Encrypt | 31 天 | |
| 3311 | uccs.edu | A | 100 | — | – | TLS1.3 | Let's Encrypt | 56 天 | |
| 3312 | ucd.ie | A | 100 | — | – | TLS1.3 | Amazon RSA 2048 M01 | — | 126 天 |
| 3313 | ucdavis.edu | A | 100 | — | – | TLS1.3 | Let's Encrypt | 58 天 | |
| 3314 | uclan.ac.uk | A | 100 | — | – | TLS1.3 | Let's Encrypt | — | 46 天 |
| 3315 | uclouvain.be | A | 100 | — | – | TLS1.3 | GEANT TLS RSA 1 | — | 93 天 |
| 3316 | uco.es | A | 100 | — | – | TLS1.3 | GEANT TLS RSA 1 | — | 93 天 |
| 3317 | ucop.edu | A | 100 | — | – | TLS1.3 | Amazon RSA 2048 M01 | 134 天 | |
| 3318 | ucpress.edu | A | 100 | — | – | TLS1.3 | Amazon RSA 2048 M04 | — | 105 天 |
| 3319 | ucsb.edu | A | 100 | — | – | TLS1.3 | Let's Encrypt | — | 75 天 |
| 3320 | uct.ac.za | A | 100 | — | – | TLS1.3 | HARICA OV TLS RSA | — | 93 天 |
| 3321 | udel.edu | A | 100 | — | – | TLS1.3 | GlobalSign Atlas R46 OV TLS CA 2026 Q3 | — | 122 天 |
| 3322 | udio.com | A | 100 | — | – | TLS1.3 | Let's Encrypt | — | 59 天 |
| 3323 | udn.com | A | 100 | — | – | TLS1.3 | DigiCert Global G2 TLS RSA SHA256 2020 CA1 | — | 71 天 |
| 3324 | ufg.br | A | 100 | — | – | TLS1.3 | RNP ICPEdu GR46 OV TLS CA 2025 | — | 65 天 |
| 3325 | ufl.edu | A | 100 | — | – | TLS1.3 | InCommon RSA Server CA 2 | — | 91 天 |
| 3326 | ufmg.br | A | 100 | — | – | TLS1.3 | RNP ICPEdu GR46 OV TLS CA 2025 | — | 42 天 |
| 3327 | ufrn.br | A | 100 | — | – | TLS1.3 | Let's Encrypt | — | 59 天 |
| 3328 | ugu.pl | A | 100 | — | – | TLS1.3 | Let's Encrypt | — | 61 天 |
| 3329 | uib.no | A | 100 | — | – | TLS1.3 | Let's Encrypt | — | 84 天 |
| 3330 | ujaen.es | A | 100 | — | – | TLS1.3 | GEANT TLS RSA 1 | — | 120 天 |
| 3331 | uk.com | A | 100 | — | – | TLS1.3 | Let's Encrypt | — | 44 天 |
| 3332 | uk.net | A | 100 | — | – | TLS1.3 | Let's Encrypt | — | 63 天 |
| 3333 | ukcop26.org | A | 100 | — | – | TLS1.3 | Amazon RSA 2048 M01 | — | 146 天 |
| 3334 | ukfinance.org.uk | A | 100 | — | – | TLS1.3 | Let's Encrypt | — | 68 天 |
| 3335 | ul.com | A | 100 | — | – | TLS1.3 | Let's Encrypt | — | 69 天 |
| 3336 | ulaval.ca | A | 100 | — | – | TLS1.3 | Sectigo Public Server Authentication CA OV R36 | — | 123 天 |
| 3337 | ulb.ac.be | A | 100 | — | – | TLS1.3 | GEANT TLS ECC 1 | — | 98 天 |
| 3338 | ulg.ac.be | A | 100 | — | – | TLS1.3 | Let's Encrypt | — | 34 天 |
| 3339 | ulifestyle.com.hk | A | 100 | — | – | TLS1.3 | Amazon RSA 2048 M01 | — | 58 天 |
| 3340 | uline.com | A | 100 | — | – | TLS1.3 | DigiCert Global G3 TLS ECC SHA384 2020 CA1 | 162 天 | |
| 3341 | ull.es | A | 100 | — | – | TLS1.3 | Let's Encrypt | — | 51 天 |
| 3342 | ulta.com | A | 100 | — | – | TLS1.3 | GeoTrust TLS RSA CA G1 | — | 121 天 |
| 3343 | umanitoba.ca | A | 100 | — | – | TLS1.3 | GlobalSign GCC R46 OV TLS CA 2025 | — | 181 天 |
| 3344 | umassd.edu | A | 100 | — | – | TLS1.3 | Amazon RSA 2048 M01 | — | 89 天 |
| 3345 | umc.org | A | 100 | — | – | TLS1.3 | Starfield TLS Intermediate CA DV - R1v1 | 176 天 | |
| 3346 | umich.edu | A | 100 | — | – | TLS1.3 | Google Trust Services | 40 天 | |
| 3347 | umsl.edu | A | 100 | — | – | TLS1.3 | InCommon ECC OV SSL CA 3 | — | 68 天 |
| 3348 | umt.edu | A | 100 | — | – | TLS1.3 | InCommon RSA OV SSL CA 3 | — | 58 天 |
| 3349 | un-hack-bar.de | A | 100 | — | – | TLS1.3 | Let's Encrypt | — | 67 天 |
| 3350 | unaids.org | A | 100 | — | – | TLS1.3 | GeoTrust TLS RSA CA G1 | — | 154 天 |
追踪你域名的评分变化
免费注册监控台，关注域名并在评分下降时第一时间收到告警。
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。