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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

yahoo.com · 74.6.143.25:443

Verified

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

Subject
C=US ST=New York L=New York O=Yahoo Holdings Inc. CN=yahoo.com
Issuer
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid from
2026-10-07T00:00:00+00:00
Expires
2026-12-30T23:59:59+00:00
Days remaining
53
Serial (hex)
096284D7A12622E5EB93F813748D0211
Signature
RSA-SHA256
Public key
EC 256 prime256v1

Subject alternative names (SAN)

DNS:yahoo.com, DNS:tw.rd.yahoo.com, DNS:s.yimg.com, DNS:mbp.yimg.com, DNS:hk.rd.yahoo.com, DNS:fr-ca.rogers.yahoo.com, DNS:ddl.fp.yahoo.com, DNS:ca.rogers.yahoo.com, DNS:ca.my.yahoo.com, DNS:brb.yahoo.net, DNS:add.my.yahoo.com, DNS:*.yahoo.com, DNS:*.www.yahoo.com, DNS:*.media.yahoo.com, DNS:*.att.yahoo.com, DNS:*.amp.yimg.com

SHA-256 fingerprint

D9:3C:A1:6F:AF:E7:07:91:78:C0:AE:9F:A6:5A:BB:C4:20:5F:E1:BF:21:06:D8:FB:DD:F1:F0:FE:9C:8F:B7:0B
Certificate extensions & PEM
authorityKeyIdentifier
74:85:80:C0:66:C7:DF:37:DE:CF:BD:29:37:AA:03:1D:BE:ED:CD:17
subjectKeyIdentifier
05:59:39:55:31:14:5E:A2:6F:8C:49:45:28:BF:A8:E0:10:02:A8:9C
subjectAltName
DNS:yahoo.com, DNS:tw.rd.yahoo.com, DNS:s.yimg.com, DNS:mbp.yimg.com, DNS:hk.rd.yahoo.com, DNS:fr-ca.rogers.yahoo.com, DNS:ddl.fp.yahoo.com, DNS:ca.rogers.yahoo.com, DNS:ca.my.yahoo.com, DNS:brb.yahoo.net, DNS:add.my.yahoo.com, DNS:*.yahoo.com, DNS:*.www.yahoo.com, DNS:*.media.yahoo.com, DNS:*.att.yahoo.com, DNS:*.amp.yimg.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/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl Full Name: URI:http://crl4.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.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 : Oct 7 00:37:05.566 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:58:10:5F:C2:A5:79:F5:03:F2:2E:61:62: BA:1F:3D:F8:FB:12:C2:DE:23:AD:05:C6:B5:E4:D4:9D: BE:28:2C:37:02:21:00:D2:34:5E:BD:ED:5C:D0:BB:9F: 32:93:C0:1A:79:E4:30:05:28:97:A6:53:D3:5B:E2:59: BA:CE:3D:36:A9:8F:36 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 : Oct 7 00:37:05.523 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:AA:DB:57:14:EB:54:AA:5C:A6:CD:F8: 7B:BF:88:63:A9:46:69:47:BF:C3:FA:AF:62:46:3E:E6: DA:08:E3:2E:B6:02:21:00:E6:23:93:13:C2:05:53:E4: F7:99:68:2B:C8:7B:DF:F0:8C:ED:F7:65:30:57:85:CD: 1D:4E:41:91:76:60:60:D3 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 7 00:37:05.573 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:DF:6A:F9:D5:25:41:49:49:28:A3:98: F9:0D:B6:79:46:76:B6:ED:A9:65:AE:4B:7E:C9:8E:38: D5:36:0C:05:83:02:21:00:C9:53:55:4E:D7:5C:C7:03: 81:1C:71:D6:01:BC:94:DB:BE:48:09:B8:DE:0F:77:D6: 9C:3B:26:7E:0E:19:6C:50
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-11-07T21:24:15+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2020-09-24T00:00:00+00:00
Expires
2030-09-23T23:59:59+00:00
Days remaining
1416
Serial (hex)
085F94C02D857BE8CC14FF53EDA23E2A
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

1F:8E:B9:E9:A8:E0:66:CC:5B:38:33:E0:6B:31:29:76:4B:62:26:39:D5:B1:63:F6:00:E1:C7:91:20:BF:3E:ED
Certificate extensions & PEM
subjectKeyIdentifier
74:85:80:C0:66:C7:DF:37:DE:CF:BD:29:37:AA:03:1D:BE:ED:CD:17
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 CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalRootG2.crt
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalRootG2.crl Full Name: URI:http://crl4.digicert.com/DigiCertGlobalRootG2.crl
certificatePolicies
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.

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