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

TLSv1.2

yaskawa.co.jp · 134.237.251.137:443

Verified

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

Subject
C=JP ST=Fukuoka L=Kitakyushu-shi O=YASKAWA Electric Corporation CN=*.yaskawa.co.jp
Issuer
C=JP O=Cybertrust Japan Co., Ltd. CN=Cybertrust Japan SureServer CA G4
Valid from
2026-05-20T00:46:18+00:00
Expires
2026-12-04T14:59:00+00:00
Days remaining
42
Serial (hex)
23DCFC85CC283FEEBAD47D4100A6C5FD15B5438F
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.yaskawa.co.jp, DNS:yaskawa.co.jp

SHA-256 fingerprint

A7:E6:25:3A:60:A2:2C:C0:A6:75:D5:54:AC:FD:2C:2E:D7:8B:CF:6D:AA:B9:BD:B2:15:A8:A3:6C:BE:16:82:D5
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:*.yaskawa.co.jp, DNS:yaskawa.co.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, TLS Web Client 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
09:AD:5B:3A:E9:1D:6A:0E:CF:D3:38:5A:A9:CA:D7:30:EB:63:4B:10
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : AF:67:88:3B:57:B0:4E:DD:8F:A6:D9:7E:F6:2E:A8:EB: 81:0A:C7:71:60:F0:24:5E:55:D6:0C:2F:E7:85:87:3A Timestamp : May 20 01:13:18.976 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:14:E5:01:75:06:C2:C0:AE:FC:75:9F:5B: B4:3A:93:47:B3:12:CD:94:1E:18:5A:72:CA:FD:49:E7: C1:1F:79:20:02:21:00:BE:E1:5F:ED:40:EE:95:11:C5: D0:39:15:0A:08:8F:A2:E5:33:36:5D:A6:E6:DB:57:EF: A4:D1:D7:F3:43:A5:17 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : C8:A3:C4:7F:C7:B3:AD:B9:35:6B:01:3F:6A:7A:12:6D: E3:3A:4E:43:A5:C6:46:F9:97:AD:39:75:99:1D:CF:9A Timestamp : May 20 01:13:19.908 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:6F:D9:97:A4:BB:11:B2:83:7F:B4:C7:83: 1D:49:F8:05:AB:E1:A2:5A:CE:3D:C0:5B:6A:09:CC:9A: 72:A1:8F:FD:02:20:58:C5:40:85:83:24:87:03:CE:3D: E1:D5:67:DF:EE:76:93:95:6A:27:E6:7E:99:12:A6:D0: 00:6B:84:03:11:F8 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : CB:38:F7:15:89:7C:84:A1:44:5F:5B:C1:DD:FB:C9:6E: F2:9A:59:CD:47:0A:69:05:85:B0:CB:14:C3:14:58:E7 Timestamp : May 20 01:13:20.672 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:0B:1D:85:E0:28:DD:6A:64:E4:14:BF:57: 8A:38:C8:4C:E9:4C:69:25:6C:6A:E3:01:60:D5:FC:AF: A9:CB:BD:C9:02:21:00:8E:6B:C4:88:5A:46:0A:72:61: 22:9F:FA:E5:95:C2:56:93:8C:4E:47:EF:C8:C8:4B:EA: 31:AF:BD:6E:76:CF:4C
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-10-23T00:24:32+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
949
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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