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

TLSv1.2

ns1.mixdinternet.com.br · 45.178.224.191:443

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=webserver.mixdinternet.com.br
Issuer
C=US O=Let's Encrypt CN=R3
Valid from
2021-02-07T11:02:18+00:00
Expires
2021-05-08T11:02:18+00:00
Days remaining
-2007
Serial (hex)
047F45C1FB7474403E7E6076254F29C75EAC
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:webserver.mixdinternet.com.br

SHA-256 fingerprint

6C:E4:34:20:DC:22:8F:54:13:83:4B:3A:88:B5:A1:6C:A3:C9:FD:2B:BA:B8:D4:05:FE:61:C0:27:39:DB:41:F9
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
0D:9D:1E:B4:0E:F4:D6:86:1E:79:27:37:BB:24:A7:72:2F:08:5A:BF
authorityKeyIdentifier
14:2E:B3:17:B7:58:56:CB:AE:50:09:40:E6:1F:AF:9D:8B:14:C2:C6
authorityInfoAccess
OCSP - URI:http://r3.o.lencr.org CA Issuers - URI:http://r3.i.lencr.org/
subjectAltName
DNS:webserver.mixdinternet.com.br
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 1.3.6.1.4.1.44947.1.1.1 CPS: http://cps.letsencrypt.org
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 94:20:BC:1E:8E:D5:8D:6C:88:73:1F:82:8B:22:2C:0D: D1:DA:4D:5E:6C:4F:94:3D:61:DB:4E:2F:58:4D:A2:C2 Timestamp : Feb 7 12:02:18.555 2021 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:F5:F2:45:00:9B:70:0C:D6:28:79:22: 9F:48:09:16:40:2F:0D:6A:9F:29:17:97:A9:E5:92:3E: 59:5D:00:30:3F:02:20:1E:30:68:5A:A0:54:0F:EE:4E: B9:FC:B6:C7:F2:09:F2:91:57:F2:AE:F7:DB:F3:28:AB: BB:FE:30:68:1A:49:5C Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 7D:3E:F2:F8:8F:FF:88:55:68:24:C2:C0:CA:9E:52:89: 79:2B:C5:0E:78:09:7F:2E:6A:97:68:99:7E:22:F0:D7 Timestamp : Feb 7 12:02:18.605 2021 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:FA:00:12:5B:B2:18:03:8D:E6:F3:FD: D5:A5:DF:61:C6:79:E5:A9:1A:7F:54:BA:7C:0E:DB:5B: 45:07:2C:53:72:02:20:71:72:F9:9E:89:8C:57:34:DF: DB:19:2B:91:93:B6:23:33:44:C0:73:31:74:CA:8C:A5: 67:80:76:63:29:96:3E
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-11-05T03:49:15+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=R3
Issuer
O=Digital Signature Trust Co. CN=DST Root CA X3
Valid from
2020-10-07T19:21:40+00:00
Expires
2021-09-29T19:21:40+00:00
Days remaining
-1863
Serial (hex)
400175048314A4C8218C84A90C16CDDF
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

73:0C:1B:DC:D8:5F:57:CE:5D:C0:BB:A7:33:E5:F1:BA:5A:92:5B:2A:77:1D:64:0A:26:F7:A4:54:22:4D:AD:3B
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
keyUsage
Digital Signature, Certificate Sign, CRL Sign
authorityInfoAccess
CA Issuers - URI:http://apps.identrust.com/roots/dstrootcax3.p7c
authorityKeyIdentifier
C4:A7:B1:A4:7B:2C:71:FA:DB:E1:4B:90:75:FF:C4:15:60:85:89:10
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 1.3.6.1.4.1.44947.1.1.1 CPS: http://cps.root-x1.letsencrypt.org
crlDistributionPoints
Full Name: URI:http://crl.identrust.com/DSTROOTCAX3CRL.crl
subjectKeyIdentifier
14:2E:B3:17:B7:58:56:CB:AE:50:09:40:E6:1F:AF:9D:8B:14:C2:C6
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
-----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.

View certificate JSON

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