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.zonanet.com.ar · 66.97.41.242:443

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=vps-1683944-x.dattaweb.com
Issuer
C=US O=Let's Encrypt CN=YR2
Valid from
2026-09-15T05:05:25+00:00
Expires
2026-12-14T05:05:24+00:00
Days remaining
68
Serial (hex)
05FDE4E9DAFF9D0456B41DE8C382ABEF5BB1
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:vps-1683944-x.dattaweb.com

SHA-256 fingerprint

D1:4F:BD:9B:17:B5:69:27:84:E2:CB:BA:35:59:55:DF:A8:CE:68:0A:EC:11:58:5B:33:6A:94:5F:61:CE:DD:BB
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
3E:01:81:00:AA:D0:FC:1E:51:D1:35:D0:CF:5D:B7:0F:7C:AC:53:2F
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:vps-1683944-x.dattaweb.com
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr2.c.lencr.org/50.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 46:AF:86:3D:3B:3E:E5:9F:A5:77:DE:A8:24:5D:36:B0: D9:ED:22:A2:23:F4:61:77:41:22:94:52:EE:95:50:5F Timestamp : Sep 15 06:03:56.153 2026 GMT Extensions: 00:00:05:00:2E:B3:D9:71 Signature : ecdsa-with-SHA256 30:45:02:21:00:D9:A8:5D:27:91:CA:C9:75:98:DB:E1: 77:53:09:B1:A6:89:28:3C:CB:BB:A8:E8:18:F8:8D:BB: 01:BF:F2:FB:F4:02:20:44:24:76:1F:71:40:E0:48:2F: B0:F2:27:49:7D:66:4C:90:A3:29:7E:FD:29:14:25:44: BE:47:DF:83:12:7D:F4 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D7:6D:7D:10:D1:A7:F5:77:C2:C7:E9:5F:D7:00:BF:F9: 82:C9:33:5A:65:E1:D0:B3:01:73:17:C0:C8:C5:69:77 Timestamp : Sep 15 06:03:56.014 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:78:72:34:0D:16:78:13:1D:AC:E1:02:2C: E2:B0:E2:37:E6:C4:98:D2:E2:98:16:82:A6:DC:20:BE: FB:95:0C:DE:02:21:00:8B:35:07:7E:F6:7F:5C:43:E1: E1:54:EB:6E:2E:B6:0C:BD:4B:EB:A6:D4:7E:F2:12:15: 94:08:F2:BC:DC:F5:4F
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-07T00:28:14+00:00

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

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