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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

uplynk.com · 18.239.83.49:443

Verified

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

Subject
CN=*.uplynk.com
Issuer
C=US O=Amazon CN=Amazon RSA 2048 S23
Valid from
2026-09-09T21:02:23+00:00
Expires
2027-03-26T22:02:23+00:00
Days remaining
187
Serial (hex)
44206C1B600158C478F4D6D75B19C81C
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.uplynk.com, DNS:uplynk.com

SHA-256 fingerprint

3E:78:DD:F5:E5:BC:AF:02:E4:8E:D5:A4:AA:D5:15:D7:86:C2:02:3D:29:5C:E4:C5:08:83:4C:FE:D6:CB:2B:12
Certificate extensions & PEM
authorityKeyIdentifier
FD:91:94:BE:D8:7F:AF:59:37:BD:B9:3A:70:76:8C:06:74:11:D0:86
subjectKeyIdentifier
20:30:CA:E1:31:A0:6C:02:64:1E:71:46:CC:2E:AF:7B:06:80:E2:AC
subjectAltName
DNS:*.uplynk.com, DNS:uplynk.com
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://crl.r2s23.amazontrust.com/CV4ZG.crl
certificatePolicies
Policy: 2.23.140.1.2.1
authorityInfoAccess
OCSP - URI:http://ocsp.r2s23.amazontrust.com CA Issuers - URI:http://crt.r2s23.amazontrust.com/r2s23.cer
basicConstraints
CA:FALSE
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 00:1A:5D:1A:1C:2D:93:75:B6:48:55:78:F8:2F:71:A1: AE:6E:EF:39:7D:29:7C:8A:E3:15:7B:CA:DE:E1:A0:1E Timestamp : Sep 9 22:02:26.873 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:79:35:6A:9B:D4:06:9C:4E:1B:45:43:32: 23:97:4F:6A:16:95:CD:62:11:E6:D6:04:F5:91:57:65: 1D:8C:32:69:02:21:00:E5:0C:8E:FC:AE:A7:B3:A9:CE: 1D:D4:E5:62:99:59:41:5E:E8:BE:11:B4:9D:7F:61:39: 7C:68:5C:24:4E:F8:17 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 : Sep 9 22:02:26.918 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:35:9E:79:68:5E:BF:75:E3:F3:A4:4F:8F: B6:FC:C7:FE:E6:1B:06:D6:E7:18:EE:BA:3C:AA:B5:FC: 48:CA:77:95:02:20:46:6C:E1:77:41:FE:CF:87:96:89: 77:64:58:E8:E1:87:3C:01:00:97:DD:37:5C:0B:7A:5A: E9:0B:70:F9:BF:54 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 59:6E:6C:33:86:94:B2:59:72:A2:56:C8:A0:E8:DD:90: 4A:76:E8:08:3D:DA:87:3B:01:08:38:28:14:3C:EE:59 Timestamp : Sep 9 22:02:27.044 2026 GMT Extensions: 00:00:05:00:03:E2:58:D4 Signature : ecdsa-with-SHA256 30:45:02:20:30:D6:88:51:21:CB:0E:24:09:1B:10:C4: 6A:2C:7F:BE:5E:00:43:F6:A6:52:1E:A5:2A:90:BE:D1: EA:5E:8E:7D:02:21:00:89:25:1B:5B:5F:26:C1:D3:8D: E6:19:91:17:43:72:05:BA:F1:9B:D4:80:50:D3:8A:12: 51:42:1A:7A:02:14:B9
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-20T12:13:08+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Amazon CN=Amazon RSA 2048 S23
Issuer
C=US O=Amazon CN=Amazon Root CA 1
Valid from
2026-07-08T19:28:48+00:00
Expires
2029-07-07T19:28:48+00:00
Days remaining
1021
Serial (hex)
61CE4E80A87B563B954DB8E843C3E74A3D3C59B8
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

23:5E:F6:80:9C:AF:F0:EC:5A:0F:1E:DC:36:FB:52:CC:DC:32:8B:5A:4C:C4:63:0D:AA:A8:83:9B:38:7A:83:6E
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
subjectKeyIdentifier
FD:91:94:BE:D8:7F:AF:59:37:BD:B9:3A:70:76:8C:06:74:11:D0:86
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
4119
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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