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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

TLSv1.2

mail73.conoha.ne.jp · 118.27.122.178:443

Verified
The certificate expires within 30 days.

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

Subject
CN=*.conoha.ne.jp
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R3 DV TLS CA 2020
Valid from
2025-10-22T06:39:31+00:00
Expires
2026-11-23T06:39:30+00:00
Days remaining
16
Serial (hex)
0C83AFC35ACEA14C8D135350
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.conoha.ne.jp, DNS:conoha.ne.jp

SHA-256 fingerprint

2F:1E:71:66:C9:56:D5:59:AE:0C:AE:BD:45:AF:A4:1F:04:E2:DA:B6:A6:92:83:6B:12:4B:D2:07:19:11:6B:9F
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/gsgccr3dvtlsca2020.crt OCSP - URI:http://ocsp.globalsign.com/gsgccr3dvtlsca2020
certificatePolicies
Policy: 1.3.6.1.4.1.4146.1.10 CPS: https://www.globalsign.com/repository/ Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/gsgccr3dvtlsca2020.crl
subjectAltName
DNS:*.conoha.ne.jp, DNS:conoha.ne.jp
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
authorityKeyIdentifier
0D:98:C0:73:7F:AB:BD:BD:D9:47:4B:49:AD:0A:4A:0C:AC:3E:C7:7C
subjectKeyIdentifier
16:D1:04:83:6C:EF:0A:3D:7B:D1:C2:B0:03:85:5B:C3:65:EA:5F:49
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 94:4E:43:87:FA:EC:C1:EF:81:F3:19:24:26:A8:18:65: 01:C7:D3:5F:38:02:01:3F:72:67:7D:55:37:2E:19:D8 Timestamp : Oct 22 06:39:35.571 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:C4:59:28:21:65:94:81:62:19:8A:C9: CA:62:8F:59:9C:7B:BA:43:DD:7A:38:A7:84:84:73:35: 26:15:3B:F2:CB:02:20:5B:24:34:B2:63:3C:DA:52:15: 2C:D6:39:D5:15:99:C7:64:1D:9F:D4:83:40:4A:57:0B: 30:30:17:39:CA:D3:92 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 : Oct 22 06:39:35.109 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:3A:F8:FE:D8:04:45:53:B0:B7:EF:32:6D: 96:A8:DF:49:B7:19:E4:2A:40:E0:C4:78:37:39:95:A7: 13:F5:6F:04:02:20:70:70:54:D9:1A:56:5A:EB:89:45: 52:96:15:6F:61:87:56:B5:41:2A:AD:91:CB:28:AA:27: F2:00:FC:26:18:42 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : C2:31:7E:57:45:19:A3:45:EE:7F:38:DE:B2:90:41:EB: C7:C2:21:5A:22:BF:7F:D5:B5:AD:76:9A:D9:0E:52:CD Timestamp : Oct 22 06:39:35.486 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:C5:BD:43:4F:52:27:3E:2A:B0:B8:2C: 2E:24:D5:D4:26:85:D9:38:9A:13:DE:D8:34:82:94:2D: 3B:1A:24:DB:37:02:20:4B:9B:F7:F2:EE:B5:B4:94:B3: 0D:B7:1C:6F:D3:00:BA:04:D5:61:52:F6:42:32:2A:AA: F7:48:78:B8:B5:E1:4B
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-11-06T09:23:03+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R3 DV TLS CA 2020
Issuer
OU=GlobalSign Root CA - R3 O=GlobalSign CN=GlobalSign
Valid from
2020-07-28T00:00:00+00:00
Expires
2029-03-18T00:00:00+00:00
Days remaining
862
Serial (hex)
77BD0E0742D5D9E9D049D774D02A6F9A
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

76:25:38:43:95:09:C4:11:C4:37:D3:C5:67:56:3E:13:78:67:12:81:FC:4A:14:64:AD:D0:31:87:08:43:67:6E
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
0D:98:C0:73:7F:AB:BD:BD:D9:47:4B:49:AD:0A:4A:0C:AC:3E:C7:7C
authorityKeyIdentifier
8F:F0:4B:7F:A8:2E:45:24:AE:4D:50:FA:63:9A:8B:DE:E2:DD:1B:BC
authorityInfoAccess
OCSP - URI:http://ocsp2.globalsign.com/rootr3 CA Issuers - URI:http://secure.globalsign.com/cacert/root-r3.crt
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/root-r3.crl
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.globalsign.com/repository/
-----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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