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

elsevier.com · 52.212.180.87:443

Verified

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

Subject
CN=elsevier.com
Issuer
C=US O=Amazon CN=Amazon RSA 2048 M04
Valid from
2026-01-13T00:00:00+00:00
Expires
2027-02-11T23:59:59+00:00
Days remaining
95
Serial (hex)
0B0B4526529587CA38500C1B4D8A0411
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:elsevier.com

SHA-256 fingerprint

5A:B0:6D:AB:48:E1:E0:AF:2A:F5:80:ED:AE:38:0B:65:A0:90:EC:E1:57:B1:24:14:8C:C5:4B:B8:60:82:31:9D
Certificate extensions & PEM
authorityKeyIdentifier
1F:52:92:61:56:82:54:7F:81:66:D8:1D:3D:0A:AA:32:5C:87:DD:08
subjectKeyIdentifier
58:8B:91:B3:82:D3:15:D7:FF:E5:E1:FE:54:39:FF:91:63:2D:B7:C9
subjectAltName
DNS:elsevier.com
certificatePolicies
Policy: 2.23.140.1.2.1
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://crl.r2m04.amazontrust.com/r2m04.crl
authorityInfoAccess
OCSP - URI:http://ocsp.r2m04.amazontrust.com CA Issuers - URI:http://crt.r2m04.amazontrust.com/r2m04.cer
basicConstraints
CA:FALSE
ct_precert_scts
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 : Jan 13 00:29:55.734 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:F7:8B:1C:61:6E:02:B3:3A:7F:75:F3: DD:B5:2A:D7:A3:93:A4:CC:CD:07:B3:C8:13:E8:FC:9D: AD:0B:5E:A1:95:02:20:4B:79:3C:1E:32:CB:19:2E:E6: B0:AA:CB:95:70:F4:27:E9:72:8E:6A:60:87:03:F4:A2: 78:D1:62:0E:FC:6D:7B 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 : Jan 13 00:29:55.834 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:1D:55:69:9F:1B:16:77:C9:5C:25:21:AE: 44:4A:23:F2:B3:94:1A:6F:2C:A8:72:DC:47:C2:EE:E0: BB:B4:8F:F0:02:20:6B:42:19:03:C5:EF:52:D4:3A:99: 16:F9:A8:CD:51:43:CA:E2:47:12:66:55:0C:3C:31:27: D0:00:12:D7:6C:7F 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 : Jan 13 00:29:55.923 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:03:19:21:03:AB:79:97:9A:F3:A9:A0:FF: 8C:32:79:7A:F3:FA:CF:2C:61:BC:94:87:35:F5:F0:69: B6:BC:FB:98:02:21:00:BE:C1:FD:1A:D4:0A:BC:27:79: 1F:0A:78:EE:55:73:C5:30:C4:36:C5:68:54:44:1E:2C: 35:92:B9:8A:8C:B4:63
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-11-08T14:50:51+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Amazon CN=Amazon RSA 2048 M04
Issuer
C=US O=Amazon CN=Amazon Root CA 1
Valid from
2022-08-23T22:26:35+00:00
Expires
2030-08-23T22:26:35+00:00
Days remaining
1384
Serial (hex)
0773124F2A952E3ED18A58BDB85D1BC0CE5F27
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

13:8B:DF:6E:23:AC:97:1E:B4:E6:26:B2:79:DD:6A:26:F0:57:51:0F:1D:E3:94:29:3A:5E:EA:28:60:DE:01:9B
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
subjectKeyIdentifier
1F:52:92:61:56:82:54:7F:81:66:D8:1D:3D:0A:AA:32:5C:87:DD:08
authorityKeyIdentifier
84:18:CC:85:34:EC:BC:0C:94:94:2E:08:59:9C:C7:B2:10:4E:0A:08
authorityInfoAccess
OCSP - URI:http://ocsp.rootca1.amazontrust.com CA Issuers - URI:http://crt.rootca1.amazontrust.com/rootca1.cer
crlDistributionPoints
Full Name: URI:http://crl.rootca1.amazontrust.com/rootca1.crl
certificatePolicies
Policy: 2.23.140.1.2.1
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=Amazon CN=Amazon Root CA 1
Issuer
C=US ST=Arizona L=Scottsdale O=Starfield Technologies, Inc. CN=Starfield Services Root Certificate Authority - G2
Valid from
2015-05-25T12:00:00+00:00
Expires
2037-12-31T01:00:00+00:00
Days remaining
4070
Serial (hex)
067F944A2A27CDF3FAC2AE2B01F908EEB9C4C6
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

87:DC:D4:DC:74:64:0A:32:2C:D2:05:55:25:06:D1:BE:64:F1:25:96:25:80:96:54:49:86:B4:85:0B:C7:27:06
Certificate extensions & PEM
basicConstraints
CA:TRUE
keyUsage
Digital Signature, Certificate Sign, CRL Sign
subjectKeyIdentifier
84:18:CC:85:34:EC:BC:0C:94:94:2E:08:59:9C:C7:B2:10:4E:0A:08
authorityKeyIdentifier
9C:5F:00:DF:AA:01:D7:30:2B:38:88:A2:B8:6D:4A:9C:F2:11:91:83
authorityInfoAccess
OCSP - URI:http://ocsp.rootg2.amazontrust.com CA Issuers - URI:http://crt.rootg2.amazontrust.com/rootg2.cer
crlDistributionPoints
Full Name: URI:http://crl.rootg2.amazontrust.com/rootg2.crl
certificatePolicies
Policy: X509v3 Any Policy
-----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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