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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

siminn.is · 63.32.131.113:443

Verified

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

Subject
CN=siminn.is
Issuer
C=US O=Amazon CN=Amazon RSA 2048 M04
Valid from
2026-09-21T00:00:00+00:00
Expires
2027-04-06T23:59:59+00:00
Days remaining
195
Serial (hex)
0D7A1883A33847892F60EB42772B3EDC
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:siminn.is, DNS:*.siminn.is

SHA-256 fingerprint

34:54:F5:42:89:0B:CA:B8:F5:45:B6:B5:3C:2A:AF:27:5D:08:62:95:1C:7B:C5:9B:73:24:7E:F0:77:F2:4A:F8
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
A7:A7:84:F8:67:D3:00:AA:B9:5F:4B:B9:62:9A:8B:53:75:C5:2E:E9
subjectAltName
DNS:siminn.is, DNS:*.siminn.is
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 : Sep 21 00:17:45.777 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:0C:A5:F4:0C:4D:CE:E1:8D:8D:C7:58:8B: 3E:D3:48:42:C5:12:EE:1C:91:20:94:56:5A:A0:8C:58: 84:EC:3C:1E:02:21:00:E0:25:07:B7:F2:A1:C4:A1:2F: 5A:09:A4:29:8C:97:D3:D2:E8:2E:68:06:A3:E6:97:DC: D8:9C:21:25:EB:AE:9B Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D6:D5:8D:A9:D0:17:53:F3:6A:4A:A0:C7:57:49:02:AF: EB:C7:DC:2C:D3:8C:D9:F7:64:C8:0C:89:19:1E:9F:02 Timestamp : Sep 21 00:17:45.771 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:02:0C:D2:7A:6E:E0:80:4F:EA:38:19:50: 2B:8D:64:72:60:9D:28:4F:0F:11:29:32:25:77:7E:E1: 9D:43:24:4F:02:21:00:95:73:E6:42:A5:8D:7F:DA:BE: 31:D4:84:02:19:1C:84:D4:73:43:2B:AD:9F:68:35:7D: 79:75:0F:17:DF:A1:1D Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 44:C2:BD:0C:E9:14:0E:64:A5:C9:4A:01:93:0A:5A:A1: BB:35:97:0E:00:EE:11:16:89:68:2A:1C:44:D7:B5:66 Timestamp : Sep 21 00:17:45.850 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:62:2A:15:6E:59:0B:BC:62:7F:C2:28:26: B9:79:7E:BF:D0:6D:90:65:96:1C:54:B2:1C:6D:29:58: 86:A6:27:A6:02:21:00:91:40:11:BC:04:79:6D:EE:0C: 1A:C3:5A:03:72:5B:73:4A:EC:E8:FD:96:6E:4F:3B:87: 36:C5:8C:6B:00:E5:D3
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-23T07:26:18+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
1430
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
4116
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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