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

mail.linkearsrl.com.ar · 168.197.51.220:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. SSL operation failed with code 1. OpenSSL Error messages: error:0A000086:SSL routines::certificate verify failed
The certificate expires within 30 days.

Certificate verification failed

Subject
CN=sd-1731946-l.dattaweb.com
Issuer
C=US O=Let's Encrypt CN=YR2
Valid from
2026-08-23T03:08:15+00:00
Expires
2026-11-21T03:08:14+00:00
Days remaining
29
Serial (hex)
0559432A5F41C654F6931C337578EFCAB0B8
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:sd-1731946-l.dattaweb.com

SHA-256 fingerprint

26:E7:22:93:9B:3F:FB:93:B7:8F:12:B7:C5:95:04:FB:0C:35:01:4A:F5:1E:22:B5:E1:41:1E:35:AA:4E:9A:42
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
69:E9:EB:05:B9:7D:B7:60:D5:32:82:A2:FE:BE:1E:E9:93:6A:CC:CE
authorityKeyIdentifier
40:15:2D:26:79:ED:32:20:9E:DF:9A:72:1D:D6:32:1F:81:0C:81:0C
authorityInfoAccess
CA Issuers - URI:http://yr2.i.lencr.org/
subjectAltName
DNS:sd-1731946-l.dattaweb.com
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr2.c.lencr.org/57.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : AF:67:88:3B:57:B0:4E:DD:8F:A6:D9:7E:F6:2E:A8:EB: 81:0A:C7:71:60:F0:24:5E:55:D6:0C:2F:E7:85:87:3A Timestamp : Aug 23 04:06:45.670 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:25:9C:D4:54:E6:F4:CA:87:94:A6:55:8B: EF:8C:E2:D0:9E:38:94:11:FF:7B:79:2D:B8:94:CD:17: 54:0F:00:D9:02:21:00:F4:F0:BD:D4:89:44:0E:FA:F1: 21:4C:89:AD:44:09:74:05:31:56:B8:D9:6D:3D:A2:0F: 45:1A:24:B2:64:4C:68 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 : Aug 23 04:06:46.363 2026 GMT Extensions: 00:00:05:00:37:9E:B1:4B Signature : ecdsa-with-SHA256 30:45:02:20:1E:FE:66:EC:85:7D:75:68:83:B3:15:B9: 48:C4:A6:32:E0:36:45:7D:3E:B8:CB:1D:5D:CA:11:59: 6B:89:07:76:02:21:00:80:2D:40:E0:D5:5B:CD:15:7F: 6E:60:9B:1B:2B:24:BC:73:DE:9D:DD:E8:65:C8:06:6A: E1:0B:5D:85:AF:48:D0
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-22T19:06:56+00:00

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

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