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

Certificate verification failed

Subject
CN=sd-1731946-l.dattaweb.com
Issuer
C=US O=Let's Encrypt CN=YR2
Valid from
2026-10-23T03:09:40+00:00
Expires
2027-01-21T03:09:39+00:00
Days remaining
88
Serial (hex)
0542F28B43F3032252A2304DD0069DBEB8BC
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:sd-1731946-l.dattaweb.com

SHA-256 fingerprint

FA:EA:F0:09:29:7C:EF:A0:82:B7:B9:ED:D2:41:2C:0C:47:B1:51:2C:57:EF:24:72:42:C4:19:01:F9:61:16:B6
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
BC:18:64:3A:11:02:C4:E6:1E:F2:8E:3C:8D:98:34:94:37:A1:BE:80
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/61.crl
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 23 04:08:10.547 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:F5:B4:70:42:39:5E:35:86:D7:75:84: 07:C0:A8:2E:54:FC:0A:DE:B2:64:2D:AE:65:65:BF:72: 6D:04:57:00:21:02:20:30:D6:38:42:2F:1F:C8:EE:D7: EB:41:A2:2A:FC:53:C4:BE:BA:F9:FC:39:29:EE:74:03: 5C:F1:52:F3:21:B2:17 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : A2:81:00:18:73:4E:17:6E:1D:47:E0:95:40:F3:81:BA: 54:66:97:CD:63:A8:43:50:71:6E:B8:09:4E:DA:F1:0D Timestamp : Oct 23 04:08:11.088 2026 GMT Extensions: 00:00:05:00:2B:9F:0A:BB Signature : ecdsa-with-SHA256 30:44:02:20:68:D8:94:3E:FC:7C:F6:5F:55:80:73:4C: 4D:8A:0D:4D:F3:7E:F2:68:8F:92:1E:40:4E:22:5E:10: 59:A9:B4:69:02:20:0A:CD:DF:1D:D4:2A:D1:2C:BB:77: 07:4B:6F:C5:E3:3B:96:73:88:81:04:76:44:8B:A2:87: 1D:7F:A7:0E:9D:D5
-----BEGIN CERTIFICATE-----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=
-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-24T18:56:07+00:00

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

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