结果由实时握手读取
| 证书状态 | 剩余 71 天 |
| 颁发给 | midwesttrucking.com |
| 颁发者 | YE1(Let's Encrypt) |
| 生效时间 | 2026-09-23 22:29 |
| 到期时间 | 2026-12-22 22:29 |
| 是否覆盖当前域名 | 是 |
| 证书链 | 0 级(可能缺少中间证书) |
| 签名算法 | ecdsa-with-SHA384 |
| 序列号 | 06A72D338289D9EAEB1A76B6D2F1BBBF4213 |
| 自签名 | 否 |
证书覆盖的域名
*.37747147-a905-437e-b31a-692c85c1be0c.quickcables.au
*.beta.coachclasses.com
*.coachclasses.com
*.dashboard.strazdorov.click
*.dev.strazdorov.click
*.hd.midwesttrucking.com
*.idesign.midwesttrucking.com
*.jjfmatsu.coachclasses.com
*.midwesttrucking.com
*.news.midwesttrucking.com
*.open.midwesttrucking.com
*.quickcables.au
*.sitemap.strazdorov.click
*.sitemaps.coachclasses.com
*.staging.strazdorov.click
*.stats.midwesttrucking.com
*.strazdorov.click
*.vmail.midwesttrucking.com
*.wiki.midwesttrucking.com
*.ww16.coachclasses.com
*.ww17.coachclasses.com
*.ww38.quickcables.au
*.yjsc.midwesttrucking.com
*.yxy.midwesttrucking.com
20cb61e6-071f-4200-a191-8472de898f28.spag.com.au
9dfeccdf-0fd7-46f3-8bb8-de834b83efc4.spag.com.au
a57527bc-4d82-4e66-92ce-b79febdc760e.spag.com.au
admin.spag.com.au
aganlmx2.spag.com.au
api.spag.com.au
app.spag.com.au
auth.spag.com.au
autodiscover.spag.com.au
b48eda05-f0c6-4eb4-85ac-9ddde2f8d378.spag.com.au
bca6c032-67e7-4371-b8c5-eb7af6a3ac4c.spag.com.au
blog.spag.com.au
coachclasses.com
cpanel.spag.com.au
dev.spag.com.au
developer.spag.com.au
emv1.spag.com.au
extranet.spag.com.au
forum.spag.com.au
gwlhslfjgqshop.spag.com.au
help.spag.com.au
home.spag.com.au
hostmaster.spag.com.au
idlzgnews.spag.com.au
imap1.spag.com.au
intranet.spag.com.au
klzuxnewsletter.spag.com.au
lbgyimx2.spag.com.au
lfjgqshop.spag.com.au
login.spag.com.au
m.spag.com.au
mail.spag.com.au
mail2.spag.com.au
members.spag.com.au
midwesttrucking.com
mta-sts.spag.com.au
mx.spag.com.au
mx1.spag.com.au
mx2.spag.com.au
news.spag.com.au
newsletter.spag.com.au
notexistswebdisk.spag.com.au
old.spag.com.au
out.spag.com.au
outgoing.spag.com.au
portal.spag.com.au
quickcables.au
random.spag.com.au
relay.spag.com.au
shop.spag.com.au
smtpauth.spag.com.au
smtpmail.spag.com.au
smtps.spag.com.au
spacetastic.spag.com.au
spag.com.au
staging.spag.com.au
store.spag.com.au
strazdorov.click
support.spag.com.au
t8.spag.com.au
webdisk.spag.com.au
webmail.spag.com.au
ww1.spag.com.au
www.spag.com.au
带
* 的是通配符证书,只覆盖同一级子域名(如 *.example.com 不含 a.b.example.com)常见问题
SSL 证书有什么用?
SSL / TLS 证书为浏览器与服务器之间的通信加密,同时证明「这个站点确实属于它声称的域名」。地址栏的锁形图标、以及 HTTPS 协议,都来自证书。
没有证书或证书无效时,浏览器会拦截并显示安全警告,用户无法正常访问,搜索引擎也会降低信任。
证书到期会怎样?
证书一旦过期,访客打开网站会看到「您的连接不是私密连接」这类整页警告,需要手动点「继续访问」才能进入,绝大多数用户会直接离开。
因此证书一般提前 30 天左右续期。本站结果页按剩余天数标色:绿色为 30 天以上,黄色为 7~30 天,红色为 7 天以内或已过期。
什么是证书链?为什么提示缺少中间证书?
证书由「根证书 → 中间证书 → 服务器证书」三级签发的链条构成。浏览器内置了根证书,但中间证书需要服务器一并下发。
如果服务器只下发了自己的证书、漏掉中间证书,部分浏览器(尤其是较旧的 Android 与部分移动端)会报「证书不受信任」。结果页的「证书链」若只有 1 级,通常就是这种情况。
一张证书能保护多个域名吗?
可以。证书通过 SAN(Subject Alternative Name)扩展同时列出多个域名,称为多域名证书;也可以使用通配符证书保护同一级的所有子域名。
通配符 *.example.com 只覆盖 a.example.com 这一级,不覆盖 a.b.example.com,也不覆盖根域名 example.com 本身,配置时需注意。
为什么查不到证书?
常见原因:该站点没有开启 HTTPS;只在 443 之外的端口提供 HTTPS;防火墙屏蔽了海外或本机访问;服务器未按 SNI 返回对应证书。
本站的检测是从服务器直接发起 TLS 握手读取证书,若目标只允许特定地区访问,结果可能与你在浏览器中看到的不一致。