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

TLSv1.3

mysysadmin.de · 54.247.90.14:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. Peer certificate CN=`*.figshare.com' did not match expected CN=`mysysadmin.de'

Certificate verification failed

Subject
CN=*.figshare.com
Issuer
C=US O=Amazon CN=Amazon RSA 2048 M04
Valid from
2025-11-27T00:00:00+00:00
Expires
2026-12-25T23:59:59+00:00
Days remaining
88
Serial (hex)
0C5193CBC975E7EF3FD14E8C829F71EF
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.figshare.com, DNS:figshare.com

SHA-256 fingerprint

1D:B0:B2:0B:C0:7E:0D:1F:23:25:8E:44:FD:93:83:96:E6:58:D4:65:5F:CA:41:25:C6:A5:A5:2D:77:E8:26:3D
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
E1:10:1D:89:05:CA:24:25:BB:40:27:89:80:ED:1B:5E:C1:62:62:DC
subjectAltName
DNS:*.figshare.com, DNS:figshare.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 : D8:09:55:3B:94:4F:7A:FF:C8:16:19:6F:94:4F:85:AB: B0:F8:FC:5E:87:55:26:0F:15:D1:2E:72:BB:45:4B:14 Timestamp : Nov 27 00:47:11.378 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:85:9F:70:A2:AC:C4:E9:07:66:17:B8: EA:61:34:C8:1B:1B:40:36:AB:CF:67:EC:4F:32:C6:57: BD:CD:6E:21:54:02:20:2B:97:5A:83:47:CD:CF:EB:AD: 5E:8C:6D:7B:A0:39:C1:AA:04:FB:F8:F6:B6:D2:7D:EA: BE:E5:F9:D7:4E:5B:6F Signed Certificate Timestamp: Version : v1 (0x0) Log ID : C8:A3:C4:7F:C7:B3:AD:B9:35:6B:01:3F:6A:7A:12:6D: E3:3A:4E:43:A5:C6:46:F9:97:AD:39:75:99:1D:CF:9A Timestamp : Nov 27 00:47:11.415 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:A0:F3:3E:84:BB:5F:02:0C:55:D1:A9: 5E:08:9C:38:CF:90:9E:67:BF:72:28:99:B4:53:7F:85: E7:49:E6:51:96:02:21:00:C9:F7:A9:25:65:1E:F9:21: DC:E7:D9:19:75:95:21:45:79:8E:A4:0B:CB:24:E8:DC: 5E:21:34:36:D2:96:C8:B9 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 : Nov 27 00:47:11.412 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:11:CB:A8:10:EE:E6:88:EB:16:9D:BA:DC: 2E:5A:E9:41:71:49:81:99:DD:FB:DB:4A:D4:9A:77:56: B0:98:48:FE:02:21:00:9B:96:B3:06:C6:C2:CA:65:1D: 29:0E:00:2E:32:87:81:96:93:14:BD:CD:FA:2A:B6:42: A6:D5:D0:9F:94:3F:5E
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-28T02:33:59+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
1425
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
4111
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.

View certificate JSON

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