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

kddi.com · 175.129.0.103:443

Verified

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

Subject
C=JP ST=Tokyo L=Chiyoda-ku O=KDDI CORPORATION CN=*.kddi.com
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign RSA OV SSL CA 2018
Valid from
2025-10-03T06:11:02+00:00
Expires
2026-11-04T06:11:01+00:00
Days remaining
34
Serial (hex)
16E8BAA334EF814E5EBC17EF
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.kddi.com, DNS:kddi.com

SHA-256 fingerprint

E4:3C:0D:C5:97:7A:95:50:03:90:8E:C1:EC:B3:D6:AB:3C:27:01:4D:45:75:7D:9E:03:EB:8B:C1:08:01:AE:4A
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/gsrsaovsslca2018.crt OCSP - URI:http://ocsp.globalsign.com/gsrsaovsslca2018
certificatePolicies
Policy: 1.3.6.1.4.1.4146.1.20 CPS: https://www.globalsign.com/repository/ Policy: 2.23.140.1.2.2
subjectAltName
DNS:*.kddi.com, DNS:kddi.com
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
authorityKeyIdentifier
F8:EF:7F:F2:CD:78:67:A8:DE:6F:8F:24:8D:88:F1:87:03:02:B3:EB
subjectKeyIdentifier
D3:E0:DE:15:A5:54:43:4C:6E:74:20:C2:21:5D:7F:D3:F9:29:98:3E
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 3 06:11:06.382 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:D0:0C:5F:76:96:2E:B6:C8:C5:05:8C: F7:68:C4:21:21:8D:CA:2E:45:67:65:25:59:4A:C3:B9: 00:F2:4F:6E:E5:02:20:51:61:B1:9B:3A:01:01:8C:5A: 70:DE:D5:F4:A9:AA:77:45:97:54:8E:4B:00:E4:87:1F: 42:0B:5F:1C:05:17:F6 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 : Oct 3 06:11:06.126 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:3B:37:30:9C:BD:A9:7C:36:1F:71:41:C9: DF:A2:C9:E6:3A:33:05:35:AD:8E:FE:51:72:96:24:68: B8:0B:74:4D:02:20:4D:CA:76:5A:A3:20:3B:80:8E:44: 76:D2:5B:88:C5:CB:A7:2B:B3:6E:10:7E:CF:5A:0A:56: 36:15:2F:F1:01:30 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 3 06:11:06.268 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:8E:24:6B:93:C4:06:F8:C3:AF:DF:87: 14:52:AF:32:64:3C:56:E7:98:5E:A2:75:60:50:B0:A8: 2A:67:97:39:6D:02:21:00:8E:42:64:9E:CB:7E:E7:75: 3D:3E:62:CD:55:CD:B4:0D:A1:20:DB:72:20:6C:0A:B3: F2:7B:A6:24:80:B6:48:77
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-09-30T18:10:46+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign RSA OV SSL CA 2018
Issuer
OU=GlobalSign Root CA - R3 O=GlobalSign CN=GlobalSign
Valid from
2018-11-21T00:00:00+00:00
Expires
2028-11-21T00:00:00+00:00
Days remaining
782
Serial (hex)
01EE5F221DFC623BD4333A8557
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

B6:76:FF:A3:17:9E:88:12:09:3A:1B:5E:AF:EE:87:6A:E7:A6:AA:F2:31:07:8D:AD:1B:FB:21:CD:28:93:76:4A
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
F8:EF:7F:F2:CD:78:67:A8:DE:6F:8F:24:8D:88:F1:87:03:02:B3:EB
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
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

Registration / WHOIS →DNS records →