DNS
THE CERTIFICATE BEHIND THE CONNECTION

TLS certificate checker.

Inspect SSL/TLS certificates for any public domain or subdomain.

Checks HTTPS on port 443, including subject alternative names, validity dates and the presented chain.

SSL certificate

TLSv1.3

gb.com.cn · 47.242.144.210:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. SSL operation failed with code 1. OpenSSL Error messages: error:0A000086:SSL routines::certificate verify failed

Certificate verification failed

Subject
CN=www.ad.cn O=ad.cn
Issuer
CN=www.ad.cn O=ad.cn
Valid from
2026-09-22T16:03:45+00:00
Expires
2036-09-19T16:03:45+00:00
Days remaining
3646
Serial (hex)
053CCF1AD98EEABB7C445DF39FB05D64C7365897
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:2000.cn, DNS:3s.cn, DNS:96315.cn, DNS:ad.cn, DNS:aq.com.cn, DNS:as.cn, DNS:ba.cn, DNS:bd.cn, DNS:bg.cn, DNS:bh.cn, DNS:bs.cn, DNS:bw.cn, DNS:cd.cn, DNS:curb.cn, DNS:dm.cn, DNS:dma.cn, DNS:dom.cn, DNS:du.cn, DNS:dz.cn, DNS:ed.cn, DNS:eg.cn, DNS:fa.cn, DNS:fk.com.cn, DNS:fo.cn, DNS:fo.com.cn, DNS:fq.cn, DNS:fr.cn, DNS:fx.cn, DNS:fx.com.cn, DNS:gb.cn, DNS:gb.com.cn, DNS:gc.cn, DNS:gf.cn, DNS:gm.cn, DNS:gou.cn, DNS:gr.cn, DNS:gr.com.cn, DNS:hg.cn, DNS:ke.com.cn, DNS:kh.com.cn, DNS:kn.cn, DNS:kr.cn, DNS:ky.com.cn, DNS:lr.cn, DNS:lt.cn, DNS:mk.cn, DNS:mk.com.cn, DNS:mr.cn, DNS:mr.com.cn, DNS:qg.cn, DNS:sk.cn, DNS:st.cn, DNS:td.cn, DNS:tg.cn, DNS:tn.cn, DNS:tn.com.cn, DNS:tp.cn, DNS:tr.cn, DNS:tu.cn, DNS:unitcoin.com, DNS:uz.cn, DNS:uz.com.cn, DNS:vn.cn, DNS:vn.com.cn, DNS:you-qian.com, DNS:youqian.com.cn, DNS:yw.cn, DNS:zr.cn, DNS:zr.com.cn, DNS:www.2000.cn, DNS:www.3s.cn, DNS:www.96315.cn, DNS:www.ad.cn, DNS:www.aq.com.cn, DNS:www.as.cn, DNS:www.ba.cn, DNS:www.bd.cn, DNS:www.bg.cn, DNS:www.bh.cn, DNS:www.bs.cn, DNS:www.bw.cn, DNS:www.cd.cn, DNS:www.curb.cn, DNS:www.dm.cn, DNS:www.dma.cn, DNS:www.dom.cn, DNS:www.du.cn, DNS:www.dz.cn, DNS:www.ed.cn, DNS:www.eg.cn, DNS:www.fa.cn, DNS:www.fk.com.cn, DNS:www.fo.cn, DNS:www.fo.com.cn, DNS:www.fq.cn, DNS:www.fr.cn, DNS:www.fx.cn, DNS:www.fx.com.cn, DNS:www.gb.cn, DNS:www.gb.com.cn, DNS:www.gc.cn, DNS:www.gf.cn, DNS:www.gm.cn, DNS:www.gou.cn, DNS:www.gr.cn, DNS:www.gr.com.cn, DNS:www.hg.cn, DNS:www.ke.com.cn, DNS:www.kh.com.cn, DNS:www.kn.cn, DNS:www.kr.cn, DNS:www.ky.com.cn, DNS:www.lr.cn, DNS:www.lt.cn, DNS:www.mk.cn, DNS:www.mk.com.cn, DNS:www.mr.cn, DNS:www.mr.com.cn, DNS:www.qg.cn, DNS:www.sk.cn, DNS:www.st.cn, DNS:www.td.cn, DNS:www.tg.cn, DNS:www.tn.cn, DNS:www.tn.com.cn, DNS:www.tp.cn, DNS:www.tr.cn, DNS:www.tu.cn, DNS:www.unitcoin.com, DNS:www.uz.cn, DNS:www.uz.com.cn, DNS:www.vn.cn, DNS:www.vn.com.cn, DNS:www.you-qian.com, DNS:www.youqian.com.cn, DNS:www.yw.cn, DNS:www.zr.cn, DNS:www.zr.com.cn

SHA-256 fingerprint

3F:17:02:26:E6:2C:09:45:38:36:C4:A8:71:1D:E4:70:F4:0F:CA:18:03:DB:79:B7:D0:3F:06:3C:13:56:ED:F0
Certificate extensions & PEM
basicConstraints
CA:FALSE
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
subjectAltName
DNS:2000.cn, DNS:3s.cn, DNS:96315.cn, DNS:ad.cn, DNS:aq.com.cn, DNS:as.cn, DNS:ba.cn, DNS:bd.cn, DNS:bg.cn, DNS:bh.cn, DNS:bs.cn, DNS:bw.cn, DNS:cd.cn, DNS:curb.cn, DNS:dm.cn, DNS:dma.cn, DNS:dom.cn, DNS:du.cn, DNS:dz.cn, DNS:ed.cn, DNS:eg.cn, DNS:fa.cn, DNS:fk.com.cn, DNS:fo.cn, DNS:fo.com.cn, DNS:fq.cn, DNS:fr.cn, DNS:fx.cn, DNS:fx.com.cn, DNS:gb.cn, DNS:gb.com.cn, DNS:gc.cn, DNS:gf.cn, DNS:gm.cn, DNS:gou.cn, DNS:gr.cn, DNS:gr.com.cn, DNS:hg.cn, DNS:ke.com.cn, DNS:kh.com.cn, DNS:kn.cn, DNS:kr.cn, DNS:ky.com.cn, DNS:lr.cn, DNS:lt.cn, DNS:mk.cn, DNS:mk.com.cn, DNS:mr.cn, DNS:mr.com.cn, DNS:qg.cn, DNS:sk.cn, DNS:st.cn, DNS:td.cn, DNS:tg.cn, DNS:tn.cn, DNS:tn.com.cn, DNS:tp.cn, DNS:tr.cn, DNS:tu.cn, DNS:unitcoin.com, DNS:uz.cn, DNS:uz.com.cn, DNS:vn.cn, DNS:vn.com.cn, DNS:you-qian.com, DNS:youqian.com.cn, DNS:yw.cn, DNS:zr.cn, DNS:zr.com.cn, DNS:www.2000.cn, DNS:www.3s.cn, DNS:www.96315.cn, DNS:www.ad.cn, DNS:www.aq.com.cn, DNS:www.as.cn, DNS:www.ba.cn, DNS:www.bd.cn, DNS:www.bg.cn, DNS:www.bh.cn, DNS:www.bs.cn, DNS:www.bw.cn, DNS:www.cd.cn, DNS:www.curb.cn, DNS:www.dm.cn, DNS:www.dma.cn, DNS:www.dom.cn, DNS:www.du.cn, DNS:www.dz.cn, DNS:www.ed.cn, DNS:www.eg.cn, DNS:www.fa.cn, DNS:www.fk.com.cn, DNS:www.fo.cn, DNS:www.fo.com.cn, DNS:www.fq.cn, DNS:www.fr.cn, DNS:www.fx.cn, DNS:www.fx.com.cn, DNS:www.gb.cn, DNS:www.gb.com.cn, DNS:www.gc.cn, DNS:www.gf.cn, DNS:www.gm.cn, DNS:www.gou.cn, DNS:www.gr.cn, DNS:www.gr.com.cn, DNS:www.hg.cn, DNS:www.ke.com.cn, DNS:www.kh.com.cn, DNS:www.kn.cn, DNS:www.kr.cn, DNS:www.ky.com.cn, DNS:www.lr.cn, DNS:www.lt.cn, DNS:www.mk.cn, DNS:www.mk.com.cn, DNS:www.mr.cn, DNS:www.mr.com.cn, DNS:www.qg.cn, DNS:www.sk.cn, DNS:www.st.cn, DNS:www.td.cn, DNS:www.tg.cn, DNS:www.tn.cn, DNS:www.tn.com.cn, DNS:www.tp.cn, DNS:www.tr.cn, DNS:www.tu.cn, DNS:www.unitcoin.com, DNS:www.uz.cn, DNS:www.uz.com.cn, DNS:www.vn.cn, DNS:www.vn.com.cn, DNS:www.you-qian.com, DNS:www.youqian.com.cn, DNS:www.yw.cn, DNS:www.zr.cn, DNS:www.zr.com.cn
subjectKeyIdentifier
EE:FF:C0:CC:E1:FE:F3:BB:21:9E:EC:E7:7B:4A:3A:6F:B6:76:EC:9A
-----BEGIN CERTIFICATE-----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eS5jb20uY26CBWxyLmNuggVsdC5jboIFbWsuY26CCW1rLmNvbS5jboIFbXIuY26C
CW1yLmNvbS5jboIFcWcuY26CBXNrLmNuggVzdC5jboIFdGQuY26CBXRnLmNuggV0
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b20uY26CCXd3dy5mcS5jboIJd3d3LmZyLmNuggl3d3cuZnguY26CDXd3dy5meC5j
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CXd3dy5rbi5jboIJd3d3LmtyLmNugg13d3cua3kuY29tLmNuggl3d3cubHIuY26C
CXd3dy5sdC5jboIJd3d3Lm1rLmNugg13d3cubWsuY29tLmNuggl3d3cubXIuY26C
DXd3dy5tci5jb20uY26CCXd3dy5xZy5jboIJd3d3LnNrLmNuggl3d3cuc3QuY26C
CXd3dy50ZC5jboIJd3d3LnRnLmNuggl3d3cudG4uY26CDXd3dy50bi5jb20uY26C
CXd3dy50cC5jboIJd3d3LnRyLmNuggl3d3cudHUuY26CEHd3dy51bml0Y29pbi5j
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Y29tLmNughB3d3cueW91LXFpYW4uY29tghJ3d3cueW91cWlhbi5jb20uY26CCXd3
dy55dy5jboIJd3d3LnpyLmNugg13d3cuenIuY29tLmNuMB0GA1UdDgQWBBTu/8DM
4f7zuyGe7Od7SjpvtnbsmjANBgkqhkiG9w0BAQsFAAOCAQEAh1NztoCTvhpp5p+2
Y2vx6KaocxNxUIo8QWvXc+2ZX7LlMh/6iJ8pCI3Ti06XWFM+hzOrJ5D47gXWTdkm
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T73W6NQ47EQt6kgb1BpzRkT4TpVF+DLQmhofZ9THQzJhYzip8PySsSYkXB40KoZV
EwB3UaAs+dw6JqCJ5v+Qr9V1kpCZgrbVhN2BbzhSdaIfINUjOou95m9Rm7irIGri
6SJzRzp6ycNaVVuzaiHcy6lJ7RgsRXzR/zjHXm5zrYCHBzsHXjcnSdiur8uhixF2
Uk1jvw==
-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-26T09:50:59+00:00

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

View certificate JSON

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