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

srv-dns-02.spread.com.br · 177.154.141.6:443

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=gabbi.io
Issuer
C=AT O=ZeroSSL CN=ZeroSSL RSA Domain Secure Site CA
Valid from
2025-11-25T00:00:00+00:00
Expires
2026-11-25T23:59:59+00:00
Days remaining
19
Serial (hex)
093A3D77569D2D4330FF10877BACD510
Signature
RSA-SHA384
Public key
RSA 2048

Subject alternative names (SAN)

DNS:gabbi.io, DNS:www.gabbi.io

SHA-256 fingerprint

F9:A5:D1:C5:85:58:D1:90:5B:33:CB:E9:65:1C:17:DF:1F:68:59:4C:F9:82:0F:29:B3:C4:05:7D:8E:17:8E:5D
Certificate extensions & PEM
authorityKeyIdentifier
C8:D9:78:68:A2:D9:19:68:D5:3D:72:DE:5F:0A:3E:DC:B5:86:86:A6
subjectKeyIdentifier
89:58:AA:76:EF:FA:45:FD:B7:F8:EA:5F:5D:68:32:C7:1C:19:DA:BE
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
extendedKeyUsage
TLS Web Server Authentication
certificatePolicies
Policy: 1.3.6.1.4.1.6449.1.2.2.78 CPS: https://sectigo.com/CPS Policy: 2.23.140.1.2.1
authorityInfoAccess
CA Issuers - URI:http://zerossl.crt.sectigo.com/ZeroSSLRSADomainSecureSiteCA.crt OCSP - URI:http://zerossl.ocsp.sectigo.com
subjectAltName
DNS:gabbi.io, DNS:www.gabbi.io
ct_precert_scts
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 : Nov 25 11:56:01.697 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:7A:48:47:88:6E:BA:93:49:F8:BD:F9:97: AE:8D:E1:38:26:87:67:1C:A4:E1:01:79:AF:F6:E8:6D: 97:07:75:DA:02:21:00:8E:B0:42:A5:18:D1:59:25:AF: D2:63:DC:72:81:7A:BA:A9:20:2B:21:D4:BF:39:34:22: 79:DC:7E:7F:77:4F:77 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 : Nov 25 11:56:01.895 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:77:88:2B:FB:CF:83:3E:D4:16:81:35:C7: 82:31:AA:CE:19:FD:D2:92:5F:40:17:31:29:F1:D3:F4: 14:48:FC:DD:02:20:58:FC:B6:77:2A:16:1B:6A:3C:CA: D6:47:85:34:BB:12:22:C4:3F:63:6B:10:63:32:31:0A: 61:A3:92:3B:11:CE Signed Certificate Timestamp: Version : v1 (0x0) Log ID : AC:AB:30:70:6C:EB:EC:84:31:F4:13:D2:F4:91:5F:11: 1E:42:24:43:B1:F2:A6:8C:4F:3C:2B:3B:A7:1E:02:C3 Timestamp : Nov 25 11:56:01.684 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:FC:C3:C7:86:E4:D0:C7:42:59:8F:55: A3:6E:FD:31:E5:02:CF:F1:30:2B:25:CD:E3:80:4F:C7: 76:28:56:8C:C3:02:21:00:B6:84:A2:A2:A7:B3:A0:F8: 6C:2A:E2:53:BE:74:49:F6:5E:29:C4:EE:CD:D8:F8:5E: 8D:0E:2C:3F:AE:62:33:CB
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-06T09:01:14+00:00

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

View certificate JSON

Registration / WHOIS →DNS records →