结果由实时握手读取
| 证书状态 | 剩余 62 天 |
| 颁发给 | google.com |
| 颁发者 | WR2(Google Trust Services) |
| 生效时间 | 2026-09-19 04:02 |
| 到期时间 | 2026-12-12 04:02 |
| 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 | RSA-SHA256 |
| 序列号 | 3D0E8F099A78F7520A18E9224C292DDF |
| 自签名 | 否 |
证书覆盖的域名
google.com
*.appengine.google.com
*.bdn.dev
*.origin-test.bdn.dev
*.cloud.google.com
*.crowdsource.google.com
*.datacompute.google.com
*.google.ca
*.google.cl
*.google.co.in
*.google.co.jp
*.google.co.uk
*.google.com.ar
*.google.com.au
*.google.com.br
*.google.com.co
*.google.com.mx
*.google.com.tr
*.google.com.vn
*.google.de
*.google.es
*.google.fr
*.google.hu
*.google.it
*.google.nl
*.google.pl
*.google.pt
*.gemini.cloud.google.com
*.gstatic.com
*.metric.gstatic.com
*.gvt1.com
*.gcpcdn.gvt1.com
*.gvt2.com
*.gcp.gvt2.com
*.url.google.com
*.youtube-nocookie.com
*.ytimg.com
ai.android
android.com
*.android.com
*.flash.android.com
g.co
*.g.co
goo.gl
www.goo.gl
google-analytics.com
*.google-analytics.com
*.google.com
googlecommerce.com
*.googlecommerce.com
urchin.com
*.urchin.com
youtu.be
youtube.com
*.youtube.com
music.youtube.com
*.music.youtube.com
youtubeeducation.com
*.youtubeeducation.com
youtubekids.com
*.youtubekids.com
yt.be
*.yt.be
android.clients.google.com
*.aistudio.google.com
google.ac
*.google.ac
google.ad
*.google.ad
google.ae
*.google.ae
google.af
*.google.af
google.ag
*.google.ag
google.al
*.google.al
google.am
*.google.am
google.as
*.google.as
google.at
*.google.at
google.az
*.google.az
google.ba
*.google.ba
google.be
*.google.be
google.bf
*.google.bf
google.bg
*.google.bg
google.bi
*.google.bi
google.bj
*.google.bj
google.bs
*.google.bs
google.bt
*.google.bt
google.by
*.google.by
google.bzh
*.google.bzh
google.ca
google.cat
*.google.cat
google.cc
*.google.cc
google.cd
*.google.cd
google.cf
*.google.cf
google.cg
*.google.cg
google.ch
*.google.ch
google.ci
*.google.ci
google.cl
google.cm
*.google.cm
google.cn
*.google.cn
google.co.ao
*.google.co.ao
google.co.bw
*.google.co.bw
google.co.ck
*.google.co.ck
google.co.cr
*.google.co.cr
google.co.hu
*.google.co.hu
google.co.id
*.google.co.id
google.co.il
*.google.co.il
google.co.im
*.google.co.im
google.co.in
google.co.je
*.google.co.je
google.co.jp
google.co.ke
*.google.co.ke
google.co.kr
*.google.co.kr
google.co.ls
*.google.co.ls
google.co.ma
*.google.co.ma
google.co.mz
*.google.co.mz
google.co.nz
*.google.co.nz
google.co.th
*.google.co.th
google.co.tz
*.google.co.tz
google.co.ug
*.google.co.ug
google.co.uk
google.co.uz
*.google.co.uz
google.co.ve
*.google.co.ve
google.co.vi
*.google.co.vi
google.co.za
*.google.co.za
google.co.zm
*.google.co.zm
google.co.zw
*.google.co.zw
google.com.af
*.google.com.af
google.com.ag
*.google.com.ag
google.com.ai
*.google.com.ai
google.com.ar
google.com.au
google.com.bd
*.google.com.bd
google.com.bh
*.google.com.bh
google.com.bn
*.google.com.bn
google.com.bo
*.google.com.bo
google.com.br
google.com.by
*.google.com.by
google.com.bz
*.google.com.bz
google.com.co
google.com.cu
*.google.com.cu
google.com.cy
*.google.com.cy
google.com.do
*.google.com.do
google.com.ec
*.google.com.ec
google.com.eg
*.google.com.eg
google.com.et
*.google.com.et
google.com.fj
*.google.com.fj
google.com.ge
*.google.com.ge
google.com.gh
*.google.com.gh
google.com.gi
*.google.com.gi
google.com.gr
*.google.com.gr
google.com.gt
*.google.com.gt
google.com.hk
*.google.com.hk
google.com.iq
*.google.com.iq
google.com.jm
*.google.com.jm
google.com.jo
*.google.com.jo
google.com.kh
*.google.com.kh
google.com.kw
*.google.com.kw
google.com.lb
*.google.com.lb
google.com.ly
*.google.com.ly
google.com.mm
*.google.com.mm
google.com.mt
*.google.com.mt
google.com.mx
google.com.my
*.google.com.my
google.com.na
*.google.com.na
google.com.nf
*.google.com.nf
google.com.ng
*.google.com.ng
google.com.ni
*.google.com.ni
google.com.np
*.google.com.np
google.com.nr
*.google.com.nr
google.com.om
*.google.com.om
google.com.pa
*.google.com.pa
google.com.pe
*.google.com.pe
google.com.pg
*.google.com.pg
google.com.ph
*.google.com.ph
google.com.pk
*.google.com.pk
google.com.pl
*.google.com.pl
google.com.pr
*.google.com.pr
google.com.py
*.google.com.py
google.com.qa
*.google.com.qa
google.com.ru
*.google.com.ru
google.com.sa
*.google.com.sa
google.com.sb
*.google.com.sb
google.com.sg
*.google.com.sg
google.com.sl
*.google.com.sl
google.com.sv
*.google.com.sv
google.com.tj
*.google.com.tj
google.com.tn
*.google.com.tn
google.com.tr
google.com.tw
*.google.com.tw
google.com.ua
*.google.com.ua
google.com.uy
*.google.com.uy
google.com.vc
*.google.com.vc
google.com.ve
*.google.com.ve
google.com.vn
google.cv
*.google.cv
google.cz
*.google.cz
google.de
google.dj
*.google.dj
google.dk
*.google.dk
google.dm
*.google.dm
google.dz
*.google.dz
google.ee
*.google.ee
google.es
google.eus
*.google.eus
google.fi
*.google.fi
google.fm
*.google.fm
google.fr
google.frl
*.google.frl
google.ga
*.google.ga
google.gal
*.google.gal
google.ge
*.google.ge
google.gg
*.google.gg
google.gl
*.google.gl
google.gm
*.google.gm
google.gp
*.google.gp
google.gr
*.google.gr
google.gy
*.google.gy
google.hk
*.google.hk
google.hn
*.google.hn
google.hr
*.google.hr
google.ht
*.google.ht
google.hu
google.ie
*.google.ie
google.im
*.google.im
google.in
*.google.in
google.info
*.google.info
google.iq
*.google.iq
google.ir
*.google.ir
google.is
*.google.is
google.it
google.it.ao
*.google.it.ao
google.je
*.google.je
google.jo
*.google.jo
google.jobs
*.google.jobs
google.jp
*.google.jp
google.kg
*.google.kg
google.ki
*.google.ki
google.kz
*.google.kz
google.la
*.google.la
google.li
*.google.li
google.lk
*.google.lk
google.lt
*.google.lt
google.lu
*.google.lu
google.lv
*.google.lv
google.md
*.google.md
google.me
*.google.me
google.mg
*.google.mg
google.mk
*.google.mk
google.ml
*.google.ml
google.mn
*.google.mn
google.ms
*.google.ms
google.mu
*.google.mu
google.mv
*.google.mv
google.mw
*.google.mw
google.ne
*.google.ne
google.ne.jp
*.google.ne.jp
google.net
*.google.net
google.ng
*.google.ng
google.nl
google.no
*.google.no
google.nr
*.google.nr
google.nu
*.google.nu
google.off.ai
*.google.off.ai
google.pk
*.google.pk
google.pl
google.pn
*.google.pn
google.ps
*.google.ps
google.pt
google.ro
*.google.ro
google.rs
*.google.rs
google.ru
*.google.ru
google.rw
*.google.rw
google.sc
*.google.sc
google.se
*.google.se
google.sh
*.google.sh
google.si
*.google.si
google.sk
*.google.sk
google.sm
*.google.sm
google.sn
*.google.sn
google.so
*.google.so
google.sr
*.google.sr
google.st
*.google.st
google.td
*.google.td
google.tel
*.google.tel
google.tg
*.google.tg
google.tk
*.google.tk
google.tl
*.google.tl
google.tm
*.google.tm
google.tn
*.google.tn
google.to
*.google.to
google.tt
*.google.tt
google.us
*.google.us
google.uz
*.google.uz
google.vg
*.google.vg
google.vu
*.google.vu
google.ws
*.google.ws
gstatic.com
*.2mdn.net
*.au.doubleclick.net
*.cc-dt.com
*.de.doubleclick.net
doubleclick.com
*.doubleclick.com
*.fls.doubleclick.net
*.fr.doubleclick.net
*.jp.doubleclick.net
*.uk.doubleclick.net
ad.mo.doubleclick.net
doubleclick.net
*.doubleclick.net
*.googleadsserving.cn
google.ua
*.google.ua
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。