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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

akamai.com · 2.16.27.76:443

Verified

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

Subject
C=US ST=Massachusetts L=Cambridge O=Akamai Technologies, Inc. CN=www.akamai.com
Issuer
C=US O=DigiCert Inc CN=DigiCert Global G3 TLS ECC SHA384 2020 CA1
Valid from
2026-05-18T00:00:00+00:00
Expires
2026-12-02T23:59:59+00:00
Days remaining
71
Serial (hex)
0496184B33D6C199F02F2130ED99254B
Signature
ecdsa-with-SHA384
Public key
EC 256 prime256v1

Subject alternative names (SAN)

DNS:www.akamai.com, DNS:akamai.com, DNS:developer.akamai.com, DNS:developers.akamai.com, DNS:docsearch.akamai.com

SHA-256 fingerprint

03:DD:E2:09:1C:FD:FB:89:7F:4B:FD:0C:3F:10:0F:DC:F8:31:59:78:08:68:2C:AF:87:37:D0:B3:4B:93:51:AB
Certificate extensions & PEM
authorityKeyIdentifier
8A:23:EB:9E:6B:D7:F9:37:5D:F9:6D:21:39:76:9A:A1:67:DE:10:A8
subjectKeyIdentifier
EA:8C:BF:23:31:69:4A:14:22:98:30:47:F3:E1:02:B9:E2:D5:A2:A6
subjectAltName
DNS:www.akamai.com, DNS:akamai.com, DNS:developer.akamai.com, DNS:developers.akamai.com, DNS:docsearch.akamai.com
certificatePolicies
Policy: 2.23.140.1.2.2 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Agreement
extendedKeyUsage
TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalG3TLSECCSHA3842020CA1-2.crl Full Name: URI:http://crl4.digicert.com/DigiCertGlobalG3TLSECCSHA3842020CA1-2.crl
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalG3TLSECCSHA3842020CA1-2.crt
basicConstraints
CA:FALSE
ct_precert_scts
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 : May 18 16:09:02.367 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:5A:C8:F3:8B:9E:84:BB:47:A7:2F:6A:C0: 9A:5F:5F:C9:C1:28:DE:41:C5:AD:F6:97:7F:E3:52:62: DE:E6:06:30:02:20:66:E9:AE:32:DF:A7:21:82:63:36: B7:2B:0F:78:91:3C:70:74:77:AD:17:80:10:A5:57:13: 18:07:68:08:D3:84 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D7:6D:7D:10:D1:A7:F5:77:C2:C7:E9:5F:D7:00:BF:F9: 82:C9:33:5A:65:E1:D0:B3:01:73:17:C0:C8:C5:69:77 Timestamp : May 18 16:09:02.327 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:F6:FF:C8:57:F8:16:ED:95:F6:1A:B7: 88:43:89:FA:2B:3E:AB:5A:13:EA:24:90:F2:77:06:86: BD:C0:0A:B1:7D:02:20:7D:AA:80:67:8E:F0:72:0E:64: 7F:EB:4E:14:37:41:19:43:60:0F:34:86:5C:AA:72:4B: CD:2C:B1:7C:C0:CC:A4 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 : May 18 16:09:02.381 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:67:A2:1D:13:35:2B:59:73:35:9C:A6:D7: 15:29:75:A8:48:6C:DD:D8:6D:72:56:D8:E5:8A:DF:04: 62:94:52:13:02:20:2C:09:46:1A:33:C1:3A:A0:DB:48: 9A:5C:D0:A1:AD:24:FD:DD:67:8B:D5:20:30:FA:EF:5A: 62:F5:6D:C7:55:B4
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-22T05:26:41+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=DigiCert Inc CN=DigiCert Global G3 TLS ECC SHA384 2020 CA1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G3
Valid from
2021-04-14T00:00:00+00:00
Expires
2031-04-13T23:59:59+00:00
Days remaining
1664
Serial (hex)
0B00E92D4D6D731FCA3059C7CB1E1886
Signature
ecdsa-with-SHA384
Public key
EC 384 secp384r1

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

05:87:D6:BD:28:19:58:7A:B9:0F:B5:96:48:0A:57:93:BD:9F:75:06:A3:EA:CE:73:F5:EA:B3:66:01:7F:E2:59
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
8A:23:EB:9E:6B:D7:F9:37:5D:F9:6D:21:39:76:9A:A1:67:DE:10:A8
authorityKeyIdentifier
B3:DB:48:A4:F9:A1:C5:D8:AE:36:41:CC:11:63:69:62:29:BC:4B:C6
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalRootG3.crt
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalRootG3.crl
certificatePolicies
Policy: 2.16.840.1.114412.2.1 Policy: 2.23.140.1.1 Policy: 2.23.140.1.2.1 Policy: 2.23.140.1.2.2 Policy: 2.23.140.1.2.3
-----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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