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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

malugainfor.net.br · 45.190.6.137:443

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 has expired.

Certificate verification failed

Subject
CN=www.malugainfor.net.br
Issuer
C=US O=Let's Encrypt CN=E6
Valid from
2025-01-20T19:45:45+00:00
Expires
2025-04-20T19:45:44+00:00
Days remaining
-559
Serial (hex)
0436A09B25FD231E22F4401BA5890B82E415
Signature
ecdsa-with-SHA384
Public key
EC 256 prime256v1

Subject alternative names (SAN)

DNS:www.malugainfor.net.br

SHA-256 fingerprint

E0:E4:DD:08:21:51:BD:4F:E7:1A:B5:08:4E:94:71:63:51:BA:80:FC:BB:F1:18:66:7D:7E:FB:83:AB:0D:E7:BC
Certificate extensions & PEM
keyUsage
Digital Signature
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
1E:F0:F9:AC:6D:0F:C2:99:FD:A1:42:8F:79:59:29:26:18:3E:B8:CB
authorityKeyIdentifier
93:27:46:98:03:A9:51:68:8E:98:D6:C4:42:48:DB:23:BF:58:94:D2
authorityInfoAccess
OCSP - URI:http://e6.o.lencr.org CA Issuers - URI:http://e6.i.lencr.org/
subjectAltName
DNS:www.malugainfor.net.br
certificatePolicies
Policy: 2.23.140.1.2.1
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : A2:E3:0A:E4:45:EF:BD:AD:9B:7E:38:ED:47:67:77:53: D7:82:5B:84:94:D7:2B:5E:1B:2C:C4:B9:50:A4:47:E7 Timestamp : Jan 20 20:44:15.773 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:B8:3F:2E:32:05:FF:47:DA:39:E6:0E: 23:4B:E2:5C:B2:3F:A7:1D:A8:46:3F:99:35:8A:41:AD: 1B:50:4C:03:47:02:20:10:61:3E:FF:DD:34:74:29:3D: 4A:31:7F:0A:AE:1B:3B:3E:0C:80:7E:CA:54:75:62:2A: 50:78:7E:33:84:49:38 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 73:20:22:0F:08:16:8A:F9:F3:C4:A6:8B:0A:B2:6A:9A: 4A:00:EE:F5:77:85:8A:08:4D:05:00:D4:A5:42:44:59 Timestamp : Jan 20 20:44:15.785 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:16:49:5B:AD:15:CE:99:2C:A5:56:A3:89: 56:C2:50:19:9E:94:5D:4E:10:32:D8:3F:99:8A:A7:B8: DA:61:B2:E4:02:20:50:03:A8:0A:CB:D0:55:EB:7B:A1: 02:D4:1A:8D:D3:23:C9:49:BF:4F:A0:1A:E7:51:DC:6B: 9C:AE:46:57:D6:22
-----BEGIN CERTIFICATE-----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=
-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-31T12:12:22+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=E6
Issuer
C=US O=Internet Security Research Group CN=ISRG Root X1
Valid from
2024-03-13T00:00:00+00:00
Expires
2027-03-12T23:59:59+00:00
Days remaining
132
Serial (hex)
B0573E9173972770DBB487CB3A452B38
Signature
RSA-SHA256
Public key
EC 384 secp384r1

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

76:E9:E2:88:AA:FC:0E:37:F4:39:0C:BF:94:6A:AD:99:7D:5C:1C:90:1B:3C:E5:13:D3:D8:FA:DB:AB:E2:AB:85
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Client Authentication, TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
93:27:46:98:03:A9:51:68:8E:98:D6:C4:42:48:DB:23:BF:58:94:D2
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.

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