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

cvh.jp · 103.217.137.206:443

Verified

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

Subject
jurisdictionC=JP businessCategory=Private Organization serialNumber=0111-01-053386 C=JP ST=Tokyo L=Minato-ku O=Cybervision Hosting Co., Ltd. CN=www.speedex.ne.jp
Issuer
C=US O=DigiCert Inc CN=DigiCert EV RSA CA G2
Valid from
2025-12-04T00:00:00+00:00
Expires
2027-01-04T23:59:59+00:00
Days remaining
91
Serial (hex)
0C0D77C775D475A34217557A6D79B2E8
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:www.speedex.ne.jp, DNS:speedex.ne.jp, DNS:www.cvh.jp, DNS:cvh.jp, DNS:www.high.cvh.jp, DNS:high.cvh.jp, DNS:www.easytone.jp, DNS:easytone.jp, DNS:www.magicbox-jp.com, DNS:magicbox-jp.com, DNS:www.knowledge.brandkeeper.jp, DNS:knowledge.brandkeeper.jp

SHA-256 fingerprint

C7:B0:81:7B:F6:1D:82:3F:3E:60:12:FD:36:2F:20:3B:47:44:72:74:9D:B0:2D:EB:C2:FA:34:3F:00:A9:B8:D0
Certificate extensions & PEM
authorityKeyIdentifier
6A:4E:50:BF:98:68:9D:5B:7B:20:75:D4:59:01:79:48:66:92:32:06
subjectKeyIdentifier
85:8A:0D:EF:C5:2A:54:01:CE:72:87:05:88:29:3B:73:3A:64:53:A6
subjectAltName
DNS:www.speedex.ne.jp, DNS:speedex.ne.jp, DNS:www.cvh.jp, DNS:cvh.jp, DNS:www.high.cvh.jp, DNS:high.cvh.jp, DNS:www.easytone.jp, DNS:easytone.jp, DNS:www.magicbox-jp.com, DNS:magicbox-jp.com, DNS:www.knowledge.brandkeeper.jp, DNS:knowledge.brandkeeper.jp
certificatePolicies
Policy: 2.16.840.1.114412.2.1 Policy: 2.23.140.1.1 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertEVRSACAG2.crl Full Name: URI:http://crl4.digicert.com/DigiCertEVRSACAG2.crl
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/DigiCertEVRSACAG2.crt
basicConstraints
CA:FALSE
ct_precert_scts
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 : Dec 4 01:46:27.793 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:79:A7:C5:5D:EB:43:E8:5E:9D:56:02:C2: 28:27:61:16:FD:AE:19:28:CE:FA:53:7B:47:2C:8E:6E: 65:CA:0D:0A:02:20:26:57:BD:2A:13:93:26:1B:C3:C5: B3:21:73:07:8C:A4:79:73:9A:70:7A:A6:48:D5:21:DC: D8:91:E3:3B:A1:DA 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 : Dec 4 01:46:27.823 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:AA:74:DC:27:68:8F:D0:87:D8:9E:F3: 1B:E9:77:3E:41:7C:BE:6E:57:8F:F4:20:CF:C9:C6:2E: 49:8E:9B:FC:E3:02:20:0D:86:0D:C9:F5:A1:BA:4C:AB: CD:43:BA:72:89:11:16:68:7E:03:FD:21:1B:7F:CE:56: 6A:73:56:4B:12:93:B2 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : AC:AB:30:70:6C:EB:EC:84:31:F4:13:D2:F4:91:5F:11: 1E:42:24:43:B1:F2:A6:8C:4F:3C:2B:3B:A7:1E:02:C3 Timestamp : Dec 4 01:46:27.812 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:03:25:18:62:86:48:E7:D8:DA:B6:FC:67: 84:6F:49:DB:7E:47:95:4C:CA:51:3A:99:19:A5:D7:82: A8:FE:DA:2A:02:21:00:80:2B:F9:ED:1D:CA:A9:13:C9: 84:FC:57:57:7A:00:9E:4D:0B:5C:30:1A:3E:3E:E3:5E: 46:EE:B5:29:00:31:8C
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-05T15:47:18+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=DigiCert Inc CN=DigiCert EV RSA CA G2
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2020-07-02T12:42:50+00:00
Expires
2030-07-02T12:42:50+00:00
Days remaining
1365
Serial (hex)
01678F1FEF882255D8B0A70E6B7BB220
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

95:88:EF:74:19:9E:45:AC:EF:CC:CF:C0:C4:70:10:E9:F2:A3:7A:1D:D4:4C:61:A4:E1:C6:B3:34:DA:5A:F6:14
Certificate extensions & PEM
subjectKeyIdentifier
6A:4E:50:BF:98:68:9D:5B:7B:20:75:D4:59:01:79:48:66:92:32:06
authorityKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:TRUE, pathlen:0
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalRootG2.crl Full Name: URI:http://crl4.digicert.com/DigiCertGlobalRootG2.crl
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.digicert.com/CPS User Notice: Explicit Text: Any use of this Certificate constitutes acceptance of the Relying Party Agreement located at https://www.digicert.com/rpa-ua
-----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

Registration / WHOIS →DNS records →