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

yahoo.co.jp · 124.83.190.124:443

Verified

Certificate chain, hostname and dates verified using this server’s CA store.

Subject
C=JP ST=Tokyo L=Chiyoda-ku O=LY Corporation CN=edge01.yahoo.co.jp
Issuer
C=JP O=Cybertrust Japan Co., Ltd. CN=Cybertrust Japan SureServer CA G4
Valid from
2026-08-07T06:04:45+00:00
Expires
2027-02-21T14:59:00+00:00
Days remaining
136
Serial (hex)
46FDC1C2EBE32CF548934E90D683564A0C5062E3
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:edge01.yahoo.co.jp, DNS:*.yahoo.co.jp, DNS:*.yahooapis.jp, DNS:*.ane.yahoo.co.jp, DNS:*.auctions.yahoo.co.jp, DNS:*.auctions.yahooapis.jp, DNS:*.box.yahooapis.jp, DNS:*.bylines.news.yahoo.co.jp, DNS:*.c.yimg.jp, DNS:*.carnavi.yahooapis.jp, DNS:*.carview.co.jp, DNS:*.carview.yahoo.co.jp, DNS:*.chiebukuro.yahoo.co.jp, DNS:*.clorder.yahoo.co.jp, DNS:*.cvw.jp, DNS:*.digitalguide.jp, DNS:*.east.edge.storage-yahoo.jp, DNS:*.east.edge.storage-yahoobox.jp, DNS:*.edge.storage-yahoo.jp, DNS:*.edit.yahooapis.jp, DNS:*.finance.yahoo.co.jp, DNS:*.geocities.jp, DNS:*.global.edge.storage-yahoo.jp, DNS:*.gyao.yahoo.co.jp, DNS:*.jobcatalog.yahoo.co.jp, DNS:*.listing.yahoo.co.jp, DNS:*.loco.yahoo.co.jp, DNS:*.lycorp.co.jp, DNS:*.mail.yahoo.co.jp, DNS:*.marketing.yahoo.co.jp, DNS:*.mkcloud-api.carview.co.jp, DNS:*.mkimg.carview.co.jp, DNS:*.ms.yahoo.co.jp, DNS:*.lycorp-security.jp, DNS:*.news.yahoo.co.jp, DNS:*.news.yahooapis.jp, DNS:*.order.yahoo.co.jp, DNS:*.points.yahoo.co.jp, DNS:*.psi.yahoo.co.jp, DNS:activity.travel.yahoo-net.jp, DNS:*.search.yahooapis.jp, DNS:*.shopping.c.yimg.jp, DNS:*.shopping.srv.yimg.jp, DNS:*.shopping.yahoo.co.jp, DNS:*.shopping.yahooapis.jp, DNS:*.snsimg.carview.co.jp, DNS:*.store.yahoo.co.jp, DNS:*.travel.yahoo.co.jp, DNS:*.wallet.yahoo.co.jp, DNS:*.wallet.yahooapis.jp, DNS:*.webhosting.yahoo.co.jp, DNS:*.west.edge.storage-yahoo.jp, DNS:*.west.edge.storage-yahoobox.jp, DNS:*.xml.listing.yahoo.co.jp, DNS:*.yahoo-help.jp, DNS:*.yahoo-net.jp, DNS:*.yahoo.jp, DNS:*.yahoobox.jp, DNS:*.yimg.jp, DNS:*.yjtag.jp, DNS:*.yjtag.yahoo.co.jp, DNS:*.ys-insurance.co.jp, DNS:*.push.yahooapis.jp, DNS:add.dir.yahoo.co.jp, DNS:api.y.clorder.yahoo.co.jp, DNS:arc.help.yahoo.co.jp, DNS:biztx.points.yahooapis.jp, DNS:carview.co.jp, DNS:cgi2.r-agent.yahoo.co.jp, DNS:cksync.pdsp.yahoo.co.jp, DNS:cm.froma.yahoo.co.jp, DNS:compass.ymobile.yahoo.co.jp, DNS:custom.search.yahoo.co.jp, DNS:e.developer.yahoo.co.jp, DNS:forms.business.yahoo.co.jp, DNS:frame.games.yahoo.co.jp, DNS:hrm.grmtrez.yahoo.co.jp, DNS:im.ov.yahoo.co.jp, DNS:info.hatalike.yahoo.co.jp, DNS:movie.chocotle.yahoo.co.jp, DNS:online.security.yahoo.co.jp, DNS:poiedit.map.yahoo.co.jp, DNS:portal.yadui.business.yahoo.co.jp, DNS:ssl-tools.kainavi.search.yahoo.co.jp, DNS:ssl.api.olp.yahooapis.jp, DNS:ssl.map.srv.yimg.jp, DNS:www.bosaiguide.jp, DNS:www.lohaco.yahoo.co.jp, DNS:www.search311.jp, DNS:www.sp-hinan.jp, DNS:www.techbasevn.com, DNS:yahoo.co.jp, DNS:yahoo.jp, DNS:yj.pn, DNS:yjtag.jp

SHA-256 fingerprint

A2:EA:D6:D2:6B:FF:F1:7A:A7:88:30:18:87:35:56:3E:45:19:BB:0B:A9:84:FE:EC:02:8B:93:4C:9D:9B:65:3E
Certificate extensions & PEM
basicConstraints
CA:FALSE
certificatePolicies
Policy: 2.23.140.1.2.2 Policy: 1.2.392.200081.1.23.1 CPS: https://www.cybertrust.ne.jp/ssl/repository/index.html
subjectAltName
DNS:edge01.yahoo.co.jp, DNS:*.yahoo.co.jp, DNS:*.yahooapis.jp, DNS:*.ane.yahoo.co.jp, DNS:*.auctions.yahoo.co.jp, DNS:*.auctions.yahooapis.jp, DNS:*.box.yahooapis.jp, DNS:*.bylines.news.yahoo.co.jp, DNS:*.c.yimg.jp, DNS:*.carnavi.yahooapis.jp, DNS:*.carview.co.jp, DNS:*.carview.yahoo.co.jp, DNS:*.chiebukuro.yahoo.co.jp, DNS:*.clorder.yahoo.co.jp, DNS:*.cvw.jp, DNS:*.digitalguide.jp, DNS:*.east.edge.storage-yahoo.jp, DNS:*.east.edge.storage-yahoobox.jp, DNS:*.edge.storage-yahoo.jp, DNS:*.edit.yahooapis.jp, DNS:*.finance.yahoo.co.jp, DNS:*.geocities.jp, DNS:*.global.edge.storage-yahoo.jp, DNS:*.gyao.yahoo.co.jp, DNS:*.jobcatalog.yahoo.co.jp, DNS:*.listing.yahoo.co.jp, DNS:*.loco.yahoo.co.jp, DNS:*.lycorp.co.jp, DNS:*.mail.yahoo.co.jp, DNS:*.marketing.yahoo.co.jp, DNS:*.mkcloud-api.carview.co.jp, DNS:*.mkimg.carview.co.jp, DNS:*.ms.yahoo.co.jp, DNS:*.lycorp-security.jp, DNS:*.news.yahoo.co.jp, DNS:*.news.yahooapis.jp, DNS:*.order.yahoo.co.jp, DNS:*.points.yahoo.co.jp, DNS:*.psi.yahoo.co.jp, DNS:activity.travel.yahoo-net.jp, DNS:*.search.yahooapis.jp, DNS:*.shopping.c.yimg.jp, DNS:*.shopping.srv.yimg.jp, DNS:*.shopping.yahoo.co.jp, DNS:*.shopping.yahooapis.jp, DNS:*.snsimg.carview.co.jp, DNS:*.store.yahoo.co.jp, DNS:*.travel.yahoo.co.jp, DNS:*.wallet.yahoo.co.jp, DNS:*.wallet.yahooapis.jp, DNS:*.webhosting.yahoo.co.jp, DNS:*.west.edge.storage-yahoo.jp, DNS:*.west.edge.storage-yahoobox.jp, DNS:*.xml.listing.yahoo.co.jp, DNS:*.yahoo-help.jp, DNS:*.yahoo-net.jp, DNS:*.yahoo.jp, DNS:*.yahoobox.jp, DNS:*.yimg.jp, DNS:*.yjtag.jp, DNS:*.yjtag.yahoo.co.jp, DNS:*.ys-insurance.co.jp, DNS:*.push.yahooapis.jp, DNS:add.dir.yahoo.co.jp, DNS:api.y.clorder.yahoo.co.jp, DNS:arc.help.yahoo.co.jp, DNS:biztx.points.yahooapis.jp, DNS:carview.co.jp, DNS:cgi2.r-agent.yahoo.co.jp, DNS:cksync.pdsp.yahoo.co.jp, DNS:cm.froma.yahoo.co.jp, DNS:compass.ymobile.yahoo.co.jp, DNS:custom.search.yahoo.co.jp, DNS:e.developer.yahoo.co.jp, DNS:forms.business.yahoo.co.jp, DNS:frame.games.yahoo.co.jp, DNS:hrm.grmtrez.yahoo.co.jp, DNS:im.ov.yahoo.co.jp, DNS:info.hatalike.yahoo.co.jp, DNS:movie.chocotle.yahoo.co.jp, DNS:online.security.yahoo.co.jp, DNS:poiedit.map.yahoo.co.jp, DNS:portal.yadui.business.yahoo.co.jp, DNS:ssl-tools.kainavi.search.yahoo.co.jp, DNS:ssl.api.olp.yahooapis.jp, DNS:ssl.map.srv.yimg.jp, DNS:www.bosaiguide.jp, DNS:www.lohaco.yahoo.co.jp, DNS:www.search311.jp, DNS:www.sp-hinan.jp, DNS:www.techbasevn.com, DNS:yahoo.co.jp, DNS:yahoo.jp, DNS:yj.pn, DNS:yjtag.jp
authorityInfoAccess
OCSP - URI:http://ssocsp.cybertrust.ne.jp/OcspServer CA Issuers - URI:http://crl.cybertrust.ne.jp/SureServer/ovcag4/ovcag4.crt
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
authorityKeyIdentifier
62:A7:D2:DA:DE:85:B6:92:F1:85:BC:F6:E8:95:9D:75:A0:FA:4E:1F
crlDistributionPoints
Full Name: URI:http://crl.cybertrust.ne.jp/SureServer/ovcag4/cdp.crl
subjectKeyIdentifier
47:F9:4D:0E:9F:EA:BD:09:6F:74:D5:4F:AA:CD:E7:2A:97:E5:18:68
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 60:4C:9A:AF:7A:7F:77:5F:01:D4:06:FC:92:0D:C8:99: EB:0B:1C:7D:F8:C9:52:1B:FA:FA:17:77:3B:97:8B:C9 Timestamp : Aug 7 06:43:03.386 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:5C:A3:71:9E:2B:2C:3B:AB:1A:8D:07:86: 4B:2A:4E:15:E5:8B:8B:DC:58:BB:2A:DB:27:30:C2:DD: AA:FB:A6:70:02:21:00:F0:91:6F:73:53:13:AB:8F:38: C8:B3:31:44:A8:71:17:F9:A1:A6:7D:40:BD:E3:2D:54: 07:18:2F:A8:C1:62:09 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 1C:9F:68:2C:E9:FA:F0:45:69:50:F8:1B:96:8A:87:DD: DB:32:10:D8:4C:E6:C8:B2:E3:82:52:4A:C4:CF:59:9F Timestamp : Aug 7 06:43:04.818 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:F8:2E:C9:40:A0:BF:47:9F:0B:72:55: D3:69:89:BC:31:B7:DC:8F:79:BC:60:46:A4:3C:83:59: 86:D1:32:60:0E:02:21:00:B8:B1:87:E6:93:77:88:88: 19:F0:88:B8:F4:DD:0E:EE:17:6B:50:4A:12:F3:FD:64: D6:C7:60:68:B6:E2:A3:A3 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 4C:63:DC:98:E5:9C:1D:AB:88:F6:1E:8A:3D:DE:AE:8F: AB:44:A3:37:7B:5F:9B:94:C3:FB:A1:9C:FC:C1:BE:26 Timestamp : Aug 7 06:43:05.692 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:CF:FB:7E:E4:23:A5:C5:0F:96:CF:EB: 03:26:3E:C1:93:B4:C6:14:95:3F:9A:63:38:95:49:7E: 2C:75:21:B3:46:02:21:00:A5:FE:3B:BD:44:ED:23:65: BF:BB:F4:37:C8:38:0D:1B:CE:41:F0:55:10:ED:4A:B1: C1:6C:44:D3:EA:1C:18:48
-----BEGIN CERTIFICATE-----
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GhDDt01y49k=
-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-08T07:30:26+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=JP O=Cybertrust Japan Co., Ltd. CN=Cybertrust Japan SureServer CA G4
Issuer
C=JP O=SECOM Trust Systems CO.,LTD. OU=Security Communication RootCA2
Valid from
2023-12-13T05:57:30+00:00
Expires
2029-05-29T05:00:39+00:00
Days remaining
963
Serial (hex)
22B9B1A074641857F7A01332DB42B9EC
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

83:46:92:2C:B8:73:0B:B6:AE:71:AB:03:BF:C4:24:62:F4:16:04:23:D9:07:9B:E6:43:85:62:1A:C5:87:76:72
Certificate extensions & PEM
subjectKeyIdentifier
62:A7:D2:DA:DE:85:B6:92:F1:85:BC:F6:E8:95:9D:75:A0:FA:4E:1F
authorityKeyIdentifier
0A:85:A9:77:65:05:98:7C:40:81:F8:0F:97:2C:38:F1:0A:EC:3C:CF
basicConstraints
CA:TRUE, pathlen:0
keyUsage
Certificate Sign, CRL Sign
crlDistributionPoints
Full Name: URI:http://repository.secomtrust.net/SC-Root2/SCRoot2CRL.crl
certificatePolicies
Policy: 2.23.140.1.2.2 Policy: 1.2.392.200091.100.901.4 CPS: https://repository.secomtrust.net/SC-Root2/
authorityInfoAccess
OCSP - URI:http://scrootca2.ocsp.secomtrust.net CA Issuers - URI:http://repository.secomtrust.net/SC-Root2/SCRoot2ca.cer
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

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

View certificate JSON

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