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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

merce.co · 13.227.47.45:443

Verified

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

Subject
CN=merce.co
Issuer
C=US O=Amazon CN=Amazon RSA 2048 M04
Valid from
2026-10-02T00:00:00+00:00
Expires
2027-04-17T23:59:59+00:00
Days remaining
185
Serial (hex)
0170A8C233E775FC4DDBE7F2A6F2D798
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:merce.co, DNS:www.merce.co

SHA-256 fingerprint

29:00:55:9F:0E:2E:7C:FC:E8:5F:01:5A:54:BE:ED:19:1D:BA:5D:3A:D4:E6:75:68:BB:B5:33:EF:72:21:45:B0
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
61:E8:8E:CD:9A:45:CF:62:D6:4F:9E:BF:91:9B:3A:34:92:B7:D1:10
subjectAltName
DNS:merce.co, DNS:www.merce.co
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 : Oct 2 02:09:57.262 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:E8:30:E2:F4:51:F8:3F:93:CF:CB:C1: 2D:61:83:47:D0:68:28:9D:4E:F8:0C:9B:85:37:BD:D8: 3C:72:AF:CA:71:02:21:00:FE:31:01:13:2D:08:D3:72: 95:3C:6D:02:9F:CD:C7:57:AB:D3:B8:6E:CB:62:D8:31: A9:AE:3F:85:AF:8E:AF:9F 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 : Oct 2 02:09:57.227 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:56:4C:A4:8E:29:F7:01:D7:A7:92:D4:B3: 7C:37:FF:91:1D:FF:FD:E7:A1:05:C1:25:FE:78:65:B7: C2:ED:77:9E:02:20:00:E7:B4:46:96:A3:67:65:0D:3E: DB:87:AB:04:E8:C9:F4:C2:F7:10:63:BF:59:8F:4F:6E: C8:2F:8E:47:89:A8 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 : Oct 2 02:09:57.308 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:F5:D1:A4:2B:4D:A0:CE:4E:63:99:20: 9E:78:5B:12:7B:FF:60:9E:E8:B9:64:4D:A0:0C:A4:F1: B1:9F:E5:31:5F:02:20:5E:86:F1:40:1A:21:FF:C8:94: 61:00:27:A1:01:28:23:C8:18:35:E6:74:66:E6:31:22: 60:1C:75:A0:DD:6B:09
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-14T20:44:57+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
1409
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
4095
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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