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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

cpi.ad.jp · 110.50.222.18:443

Verified

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

Subject
CN=www.cpi.ad.jp
Issuer
C=JP O=Japan Registry Services Co., Ltd. CN=JPRS Domain Validation Authority - G4
Valid from
2026-01-23T08:19:27+00:00
Expires
2027-01-31T14:59:59+00:00
Days remaining
108
Serial (hex)
126BDA5AF71BEEAE179B23160D3202C0
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:www.cpi.ad.jp, DNS:cpi.ad.jp

SHA-256 fingerprint

04:26:71:7C:8E:36:CB:F4:AC:48:DC:82:54:06:60:0F:DC:9C:C4:13:C5:6C:19:DB:08:03:5A:19:B7:9B:E7:2A
Certificate extensions & PEM
authorityKeyIdentifier
7C:24:CE:0D:A4:38:2D:C7:B3:63:5E:A7:78:7A:8D:1D:4C:2E:C7:15
authorityInfoAccess
CA Issuers - URI:http://repo.pubcert.jprs.jp/sppca/jprs/dvca_g4/JPRS_DVCA_G4_DER.cer OCSP - URI:http://dv.g4.ocsp.pubcert.jprs.jp
subjectAltName
DNS:www.cpi.ad.jp, DNS:cpi.ad.jp
certificatePolicies
Policy: 1.3.6.1.4.1.53827.1.1.4 CPS: http://jprs.jp/pubcert/info/repository/ Policy: 2.23.140.1.2.1
extendedKeyUsage
TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://repo.pubcert.jprs.jp/sppca/jprs/dvca_g4/fullcrl.crl
subjectKeyIdentifier
29:46:19:5D:A8:F0:50:07:B4:73:A3:F2:57:D1:E2:6D:AD:96:8F:22
keyUsage
Digital Signature, Key Encipherment
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D6:D5:8D:A9:D0:17:53:F3:6A:4A:A0:C7:57:49:02:AF: EB:C7:DC:2C:D3:8C:D9:F7:64:C8:0C:89:19:1E:9F:02 Timestamp : Jan 23 08:29:27.439 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:5F:D4:8D:86:BC:06:CC:4F:C4:CD:E5:18: A8:5F:CA:DA:7C:C1:09:56:1D:A9:19:37:47:89:61:B4: 0D:84:41:E2:02:20:31:A1:BC:05:2F:F3:DF:2A:2A:6E: 7E:50:85:AB:04:D7:68:E0:A0:19:CD:90:23:31:7E:7A: 5A:8A:B3:9C:2E:E0 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 44:C2:BD:0C:E9:14:0E:64:A5:C9:4A:01:93:0A:5A:A1: BB:35:97:0E:00:EE:11:16:89:68:2A:1C:44:D7:B5:66 Timestamp : Jan 23 08:29:27.966 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:96:C1:82:90:9D:AE:C4:E8:7F:9F:B4: 32:6D:CB:C9:FE:4A:09:82:6B:3B:3A:1D:A2:6F:D4:74: AD:5D:FD:A6:53:02:20:01:0F:B5:E5:FB:BE:EC:F3:DE: 45:88:E8:F0:97:5A:25:C9:39:EC:25:B7:8C:72:C3:42: AD:DD:9C:F6:E1:06:7C 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 : Jan 23 08:29:28.295 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:3B:32:B7:C6:23:C2:79:01:A8:E5:1D:1D: C5:0D:BC:A2:01:4C:22:DC:6D:82:EB:DA:6C:E3:39:3E: 29:69:9F:C6:02:20:6E:DB:F5:B9:B3:77:FC:75:18:4D: 53:00:7C:A8:7F:81:00:79:4F:05:CB:63:F6:7F:B0:E8: 46:0C:5F:36:71:9C 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 : Jan 23 08:29:29.212 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:09:D4:B2:5A:79:43:98:D5:3E:AD:F4:C3: C8:72:B5:08:5D:71:67:45:F6:6E:01:48:19:5C:6A:17: 41:42:FD:CD:02:20:20:B6:00:8F:2C:B9:CC:CA:D8:CB: 40:66:0A:50:E1:87:B6:05:77:D1:83:FE:6F:4B:3A:BB: 88:88:DD:7B:BD:2D 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 : Jan 23 08:29:30.309 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:B1:DB:46:10:B8:EF:24:AF:CC:0F:EA: 07:08:B3:B7:DA:3E:B6:52:66:79:A0:AB:3F:AF:94:6E: 53:D3:97:F4:D4:02:21:00:88:EB:68:87:E6:4B:ED:FF: AC:32:2C:72:ED:18:43:AC:74:A1:31:60:B5:F8:74:C4: C7:40:A5:C4:52:A4:1D:42
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-15T13:20:57+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=JP O=Japan Registry Services Co., Ltd. CN=JPRS Domain Validation Authority - G4
Issuer
C=JP O=SECOM Trust Systems CO.,LTD. OU=Security Communication RootCA2
Valid from
2020-07-22T10:40:53+00:00
Expires
2029-05-29T05:00:39+00:00
Days remaining
956
Serial (hex)
22B9B17F05E48A55E6F5EF198802FFB9
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

F1:9D:55:CD:08:A3:EA:42:BD:91:50:80:73:82:31:74:DD:92:37:02:13:C1:77:F8:25:31:75:6D:A7:50:8A:51
Certificate extensions & PEM
subjectKeyIdentifier
7C:24:CE:0D:A4:38:2D:C7:B3:63:5E:A7:78:7A:8D:1D:4C:2E:C7:15
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: 1.2.392.200091.100.901.4 CPS: http://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
-----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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