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

bbtower.co.jp · 133.110.250.4:443

Verified

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

Subject
CN=*.bbtower.co.jp
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R3 DV TLS CA 2020
Valid from
2025-12-19T05:47:44+00:00
Expires
2027-01-20T05:47:43+00:00
Days remaining
88
Serial (hex)
232E8A8C28A7D3CD3D9172C5
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.bbtower.co.jp, DNS:bbtower.co.jp

SHA-256 fingerprint

59:4F:61:60:2A:6E:E2:B6:4F:20:76:36:73:59:6A:A4:C3:B9:EB:16:34:9F:C7:A8:39:70:DA:BE:0A:3A:1F:1D
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:*.bbtower.co.jp, DNS:bbtower.co.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
59:4F:5B:03:E6:E0:C5:AC:AF:CA:92:13:BC:B8:8C:5C:A9:6B:1A:58
ct_precert_scts
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 19 05:47:48.026 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:39:AB:F3:5B:30:18:F4:6D:8B:B8:35:AC: 71:3A:3E:06:49:EF:41:13:C6:7B:01:CD:93:6D:94:E3: 85:56:06:CD:02:20:6F:5A:EA:D9:6E:F5:EA:F5:F7:3E: DC:F5:10:F4:74:4C:DD:90:AB:01:47:9D:5D:C2:1F:0F: E8:BF:0B:10:92:EA 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 19 05:47:47.978 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:55:FE:35:EE:63:64:B7:4A:6D:BA:4E:D9: 7E:03:8A:D3:5D:AA:01:0B:41:3D:79:1C:8F:C8:C3:C6: 1D:DB:D5:68:02:21:00:BC:B3:83:6D:F8:58:62:96:D1: 6F:8E:1C:2D:8E:7F:7B:92:04:F4:57:EA:52:AE:BE:BC: 04:D5:A9:8A:6F:B3:66 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 : Dec 19 05:47:48.251 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:E3:0F:83:8B:CD:53:CD:53:A5:82:4F: 10:EF:4B:E0:0E:B1:B1:01:5D:4E:2D:80:B2:0F:9C:65: 7E:EF:3B:F1:6B:02:21:00:C2:72:31:B3:00:04:41:12: C0:17:C9:54:B1:A9:6F:88:89:8A:15:F3:EC:A5:F1:7C: A4:9B:BA:A0:49:B8:41:A0
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-10-24T00:50:17+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
875
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.

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