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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

unisem.com.ar · 100.24.208.97:443

Verified

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

Subject
CN=www.unisem.com.ar
Issuer
C=US O=Let's Encrypt CN=YR1
Valid from
2026-09-25T08:35:44+00:00
Expires
2026-12-24T08:35:43+00:00
Days remaining
82
Serial (hex)
063055C773EF7538F67F6AAC7ED5B4C67B35
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:unisem.com.ar, DNS:www.unisem.com.ar

SHA-256 fingerprint

78:4D:55:F4:92:EF:81:EB:65:27:6A:04:9A:9C:26:16:38:5D:C4:B0:B4:1E:23:63:28:05:CB:B6:AD:8D:F3:19
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
08:D5:45:86:6D:C4:90:1D:E8:C5:59:36:15:90:F7:FA:6F:76:94:DA
authorityKeyIdentifier
1F:2F:35:BE:46:14:82:CD:40:B1:AE:79:2C:55:78:FA:F7:D4:68:FB
authorityInfoAccess
CA Issuers - URI:http://yr1.i.lencr.org/
subjectAltName
DNS:unisem.com.ar, DNS:www.unisem.com.ar
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr1.c.lencr.org/54.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : CB:38:F7:15:89:7C:84:A1:44:5F:5B:C1:DD:FB:C9:6E: F2:9A:59:CD:47:0A:69:05:85:B0:CB:14:C3:14:58:E7 Timestamp : Sep 25 09:34:14.735 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:C9:54:F6:33:BA:3A:F3:D7:BE:45:F1: C8:CD:D8:3B:F1:AD:DC:17:B5:2C:A0:B7:10:C2:F2:5C: 90:B5:43:FC:A2:02:21:00:CF:24:2F:50:16:12:EC:C8: 3B:5C:18:70:26:EA:7E:6A:97:14:A7:B8:E1:93:7A:06: DF:97:54:31:7E:34:4D:95 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 1A:8B:9D:6B:0F:FE:BF:81:B4:79:39:C6:D2:31:0A:86: D6:D1:02:D4:F0:46:E2:18:2C:9D:E3:5F:5E:26:25:EF Timestamp : Sep 25 09:34:15.363 2026 GMT Extensions: 00:00:05:00:44:FF:41:6D Signature : ecdsa-with-SHA256 30:45:02:20:53:E7:0C:2A:04:5B:0A:90:48:27:2C:CE: 35:03:BD:1D:6B:32:90:33:09:29:A5:1C:13:DD:98:75: 20:4B:BA:4C:02:21:00:AE:0C:3D:ED:C1:E6:1F:28:BF: 15:39:76:4D:DC:76:D1:0A:66:19:5A:BA:AC:02:03:3D: 14:BA:24:A5:65:A5:FC
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-02T22:14:48+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=YR1
Issuer
C=US O=ISRG CN=Root YR
Valid from
2025-09-03T00:00:00+00:00
Expires
2028-09-02T23:59:59+00:00
Days remaining
701
Serial (hex)
A20253F15F2691C05DC1CE13B9BCCA4E
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

13:94:96:34:D9:9C:D6:FD:6A:A8:0B:C0:34:FE:FA:CC:EB:19:69:FE:EF:98:65:86:71:3E:CD:BB:05:75:8D:3F
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
1F:2F:35:BE:46:14:82:CD:40:B1:AE:79:2C:55:78:FA:F7:D4:68:FB
authorityKeyIdentifier
DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94
authorityInfoAccess
CA Issuers - URI:http://yr.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr.c.lencr.org/ 
-----BEGIN CERTIFICATE-----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=
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=ISRG CN=Root YR
Issuer
C=US O=Internet Security Research Group CN=ISRG Root X1
Valid from
2026-05-13T00:00:00+00:00
Expires
2032-09-02T23:59:59+00:00
Days remaining
2162
Serial (hex)
F24B6D17F9D9AD7CB1C9FEA78782699F
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

07:26:39:D0:B1:40:D5:BF:FA:E1:6A:D9:C3:F6:CC:60:86:04:06:21:F5:1E:E6:1A:6D:46:A8:91:5C:07:CF:76
Certificate extensions & PEM
keyUsage
Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE
subjectKeyIdentifier
DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94
authorityKeyIdentifier
79:B4:59:E6:7B:B6:E5:E4:01:73:80:08:88:C8:1A:58:F6:E9:9B:6E
authorityInfoAccess
CA Issuers - URI:http://x1.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://x1.c.lencr.org/ 
-----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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