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 |
|---|---|---|---|---|---|---|---|---|---|
| 5001 | citi.com | A | 95 | — | – | TLS1.2 | DigiCert EV RSA CA G2 | — | 155 天 |
| 5002 | citibank.com | A | 95 | — | – | TLS1.2 | DigiCert EV RSA CA G2 | — | 155 天 |
| 5003 | citigroup.com | A | 95 | — | – | TLS1.2 | DigiCert EV RSA CA G2 | — | 155 天 |
| 5004 | citizensinformation.ie | A | 95 | — | – | TLS1.2 | Amazon RSA 2048 M01 | — | 154 天 |
| 5005 | citrix.com | A | 95 | — | – | TLS1.2 | DigiCert Global G2 TLS RSA SHA256 2020 CA1 | 96 天 | |
| 5006 | clan.su | A | 95 | — | – | TLS1.2 | GlobalSign GCC R6 AlphaSSL CA 2025 | — | 36 天 |
| 5007 | clarks.com | A | 95 | — | – | TLS1.2 | ZeroSSL RSA DV SSL CA 2 | 58 天 | |
| 5008 | clck.ru | A | 95 | — | – | TLS1.2 | GlobalSign GCC R46 DV TLS CA 2025 | — | 125 天 |
| 5009 | cleveland.com | A | 95 | — | – | TLS1.2 | Amazon RSA 2048 M01 | — | 121 天 |
| 5010 | cleveland19.com | A | 95 | — | – | TLS1.2 | Amazon RSA 2048 M04 | 84 天 | |
| 5011 | clients.site | A | 95 | — | – | TLS1.2 | GlobalSign GCC R46 OV TLS CA 2025 | — | 95 天 |
| 5012 | clover.com | A | 95 | — | – | TLS1.2 | RapidSSL TLS RSA CA G1 | 189 天 | |
| 5013 | clubrunner.ca | A | 95 | — | – | TLS1.2 | Let's Encrypt | — | 87 天 |
| 5014 | cmail19.com | A | 95 | — | – | TLS1.2 | DigiCert Global G2 TLS RSA SHA256 2020 CA1 | — | 110 天 |
| 5015 | cmail20.com | A | 95 | — | – | TLS1.2 | DigiCert Global G2 TLS RSA SHA256 2020 CA1 | — | 110 天 |
| 5016 | cmpassport.com | A | 95 | — | – | TLS1.2 | TrustAsia OV TLS RSA CA 2024 | — | 77 天 |
| 5017 | cmu.ac.th | A | 95 | — | – | TLS1.2 | Sectigo Public Server Authentication CA DV R36 | 177 天 | |
| 5018 | cmu.edu | A | 95 | — | – | TLS1.2 | InCommon RSA Server CA 2 | 73 天 | |
| 5019 | cnblogs.com | A | 95 | — | – | TLS1.2 | Encryption Everywhere DV TLS CA - G2 | 96 天 | |
| 5020 | cnki.net | A | 95 | — | – | TLS1.2 | GlobalSign RSA OV SSL CA 2018 | — | 123 天 |
| 5021 | cnppri.com | A | 95 | — | — | TLS1.2 | GeoTrust TLS RSA CA G1 | — | 0 天 |
| 5022 | cnr.it | A | 95 | — | — | TLS1.2 | GEANT TLS RSA 1 | — | 15 天 |
| 5023 | coca-cola.com | A | 95 | — | – | TLS1.2 | Amazon RSA 2048 M01 | 69 天 | |
| 5024 | coca-colacompany.com | A | 95 | — | – | TLS1.2 | Amazon RSA 2048 M01 | 128 天 | |
| 5025 | cochrane.org | A | 95 | — | – | TLS1.2 | GeoTrust TLS RSA CA G1 | — | 46 天 |
| 5026 | coggle.it | A | 95 | — | – | TLS1.2 | Amazon RSA 2048 M04 | 153 天 | |
| 5027 | colorado.gov | A | 95 | — | – | TLS1.2 | Amazon RSA 2048 M01 | — | 97 天 |
| 5028 | coloradocollege.edu | A | 95 | — | – | TLS1.2 | InCommon Intermediate CA - OVG2C | 98 天 | |
| 5029 | comcast.net | A | 95 | — | – | TLS1.2 | Sectigo Public Server Authentication CA OV R36 | — | 63 天 |
| 5030 | commerzbank.de | A | 95 | — | – | TLS1.2 | GlobalSign GCC R46 OV TLS CA 2025 | — | 140 天 |
| 5031 | comparably.com | A | 95 | — | – | TLS1.2 | Amazon RSA 2048 M04 | — | 135 天 |
| 5032 | computerra.ru | A | 95 | — | – | TLS1.2 | Let's Encrypt | 70 天 | |
| 5033 | comvac-asia.com | A | 95 | — | – | TLS1.2 | Encryption Everywhere DV TLS CA - G2 | — | 86 天 |
| 5034 | congreso.es | A | 95 | — | – | TLS1.2 | GEANT TLS RSA 1 | 97 天 | |
| 5035 | connect.mail.ru | A | 95 | — | – | TLS1.2 | HARICA DV TLS RSA | — | 93 天 |
| 5036 | control-webpanel.com | A | 95 | — | – | TLS1.2 | Let's Encrypt | 36 天 | |
| 5037 | convertkit.com | A | 95 | — | – | TLS1.2 | Amazon RSA 2048 M04 | — | 101 天 |
| 5038 | cookinglight.com | A | 95 | — | – | TLS1.2 | Amazon RSA 2048 M01 | — | 137 天 |
| 5039 | copyscape.com | A | 95 | — | – | TLS1.2 | Sectigo Public Server Authentication CA DV R36 | — | 36 天 |
| 5040 | corel.com | A | 95 | — | – | TLS1.2 | Amazon RSA 2048 M04 | 145 天 | |
| 5041 | coreldraw.com | A | 95 | — | – | TLS1.2 | Amazon RSA 2048 M04 | 145 天 | |
| 5042 | cornwalllive.com | A | 95 | — | – | TLS1.2 | Amazon RSA 2048 M01 | — | 58 天 |
| 5043 | correios.com.br | A | 95 | — | – | TLS1.2 | Thawte TLS RSA CA G1 | 147 天 | |
| 5044 | corriere.it | A | 95 | — | – | TLS1.2 | Let's Encrypt | — | 60 天 |
| 5045 | corrieredellosport.it | A | 95 | — | – | TLS1.2 | Let's Encrypt | — | 32 天 |
| 5046 | couchsurfing.org | A | 95 | — | – | TLS1.2 | Amazon RSA 2048 M01 | — | 120 天 |
| 5047 | counseling.org | A | 95 | — | – | TLS1.2 | Let's Encrypt | 79 天 | |
| 5048 | courrierinternational.com | A | 95 | — | – | TLS1.2 | GlobalSign Atlas R3 DV TLS CA 2025 Q4 | 103 天 | |
| 5049 | coventrytelegraph.net | A | 95 | — | – | TLS1.2 | Amazon RSA 2048 M01 | — | 58 天 |
| 5050 | covers.com | A | 95 | — | – | TLS1.2 | DigiCert Global G2 TLS RSA SHA256 2020 CA1 | — | 84 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。