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 (3943)
94.8平均分
↑ 114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 |
|---|---|---|---|---|---|---|---|---|---|
| 6601 | scotsman.com | A | 93 | — | – | TLS1.2 | Let's Encrypt | — | 29 天 |
| 6602 | sectigo.com | A | 93 | — | – | TLS1.2 | Sectigo Public Server Authentication CA OV R36 | — | 34 天 |
| 6603 | sfasu.edu | A | 93 | — | – | TLS1.2 | InCommon RSA Server CA 2 | — | 70 天 |
| 6604 | siriusxm.com | A | 93 | — | – | TLS1.2 | Sectigo Public Server Authentication CA OV R36 | 28 天 | |
| 6605 | sitemeter.com | A | 93 | — | – | TLS1.2 | GoDaddy TLS Intermediate CA DV - R1v1 | — | 145 天 |
| 6606 | skhynix.com | A | 93 | — | – | TLS1.2 | Sectigo Public Server Authentication CA DV R36 | 121 天 | |
| 6607 | smartedu.cn | A | 93 | — | – | TLS1.2 | SHECA OV TLS RSA CA A1 | 47 天 | |
| 6608 | smu.edu | A | 93 | — | – | TLS1.2 | Sectigo Public Server Authentication CA OV E36 | 38 天 | |
| 6609 | spaceweather.gov | A | 93 | — | – | TLS1.2 | Let's Encrypt | 29 天 | |
| 6610 | stanford.edu | A | 93 | TLS1.2 | InCommon Intermediate CA - DVG2C | 189 天 | |||
| 6611 | stepchange.org | A | 93 | — | – | TLS1.2 | Sectigo Public Server Authentication CA DV R36 | 108 天 | |
| 6612 | streetdirectory.com | A | 93 | — | — | TLS1.2 | Let's Encrypt | — | 16 天 |
| 6613 | sudrf.ru | A | 93 | — | – | TLS1.2 | Let's Encrypt | — | 32 天 |
| 6614 | surrey.ac.uk | A | 93 | — | – | TLS1.2 | DigiCert Global G2 TLS RSA SHA256 2020 CA1 | 139 天 | |
| 6615 | taiwan.net.tw | A | 93 | — | – | TLS1.2 | TWCA SSL Certification Authority | — | 42 天 |
| 6616 | takaratomy.co.jp | A | 93 | — | – | TLS1.2 | SECOM Passport for Web OV RSA CA 2024 | — | 29 天 |
| 6617 | taplink.cc | A | 93 | — | – | TLS1.2 | Let's Encrypt | — | 86 天 |
| 6618 | taplink.ws | A | 93 | — | – | TLS1.2 | Let's Encrypt | — | 86 天 |
| 6619 | tenantnetworks.com | A | 93 | — | – | TLS1.2 | GoDaddy TLS Intermediate CA DV - R1v1 | 137 天 | |
| 6620 | teradata.com | A | 93 | — | – | TLS1.2 | Entrust OV TLS Issuing RSA CA 2 | — | 39 天 |
| 6621 | toledoblade.com | A | 93 | — | – | TLS1.2 | GoDaddy TLS Intermediate CA DV - R1v1 | — | 49 天 |
| 6622 | tool.lu | A | 93 | — | – | TLS1.2 | Certum DV TLS G2 R39 CA | 95 天 | |
| 6623 | tuc.org.uk | A | 93 | — | – | TLS1.2 | Let's Encrypt | — | 42 天 |
| 6624 | tupalo.com | A | 93 | — | – | TLS1.2 | Let's Encrypt | — | 38 天 |
| 6625 | tvp.info | A | 93 | — | – | TLS1.2 | Certum DV TLS G2 R39 CA | — | 44 天 |
| 6626 | tvp.pl | A | 93 | — | – | TLS1.2 | Certum DV TLS G2 R39 CA | — | 63 天 |
| 6627 | uanl.mx | A | 93 | — | – | TLS1.2 | Sectigo Public Server Authentication CA DV R36 | 62 天 | |
| 6628 | uc.edu | A | 93 | — | – | TLS1.2 | InCommon Intermediate CA - OVG2C | 162 天 | |
| 6629 | ucl.ac.uk | A | 93 | — | – | TLS1.2 | Sectigo Public Server Authentication CA EV R36 | — | 176 天 |
| 6630 | ucoz.com | A | 93 | — | – | TLS1.2 | GoGetSSL RSA DV SSL CA 2 | — | 131 天 |
| 6631 | ucoz.org | A | 93 | — | – | TLS1.2 | GoGetSSL RSA DV CA | — | 140 天 |
| 6632 | ucsd.edu | A | 93 | — | – | TLS1.2 | InCommon RSA Server CA 2 | 156 天 | |
| 6633 | uem.br | A | 93 | — | – | TLS1.2 | Let's Encrypt | — | 66 天 |
| 6634 | uhc.com | A | 93 | — | – | TLS1.2 | Sectigo Public Server Authentication CA OV R36 | — | 148 天 |
| 6635 | uic.edu | A | 93 | — | – | TLS1.2 | InCommon RSA OV SSL CA 3 | — | 54 天 |
| 6636 | umontreal.ca | A | 93 | — | – | TLS1.2 | Entrust OV TLS Issuing RSA CA 2 | — | 114 天 |
| 6637 | uncg.edu | A | 93 | — | – | TLS1.2 | InCommon RSA OV SSL CA 3 | 39 天 | |
| 6638 | undip.ac.id | A | 93 | — | – | TLS1.2 | Sectigo Public Server Authentication CA OV R36 | 128 天 | |
| 6639 | unesco.org | A | 93 | – | TLS1.2 | Let's Encrypt | — | 55 天 | |
| 6640 | uniba.sk | A | 93 | — | – | TLS1.2 | GEANT TLS RSA 1 | — | 92 天 |
| 6641 | united24media.com | A | 93 | — | – | TLS1.2 | GoGetSSL RSA DV CA | 40 天 | |
| 6642 | universite-paris-saclay.fr | A | 93 | — | – | TLS1.2 | GEANT TLS RSA 1 | — | 97 天 |
| 6643 | unm.edu | A | 93 | — | – | TLS1.2 | InCommon Intermediate CA - OVG2C | — | 91 天 |
| 6644 | unmsm.edu.pe | A | 93 | — | — | TLS1.2 | Let's Encrypt | 8 天 | |
| 6645 | unpad.ac.id | A | 93 | — | – | TLS1.2 | Sectigo Public Server Authentication CA DV R36 | — | 48 天 |
| 6646 | uoguelph.ca | A | 93 | — | – | TLS1.2 | Let's Encrypt | — | 54 天 |
| 6647 | uqac.ca | A | 93 | — | – | TLS1.2 | Entrust OV TLS Issuing RSA CA 2 | — | 147 天 |
| 6648 | usf.edu | A | 93 | — | – | TLS1.2 | InCommon RSA OV SSL CA 3 | — | 41 天 |
| 6649 | usps.com | A | 93 | — | – | TLS1.2 | Sectigo Public Server Authentication CA OV R36 | 139 天 | |
| 6650 | uta.edu | A | 93 | — | – | TLS1.2 | InCommon RSA Server CA 2 | 39 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。