SSL/TLS certificates are digital certificates used to secure communication between web browsers and servers on the World Wide Web. They enable encrypted connections, protecting sensitive data during transmission. These certificates verify the authenticity of websites and establish trust, contributing to web security and search engine rankings.


Everything is ok

crstraseni.md

Issuer: CN=R12, O=Let's Encrypt, C=US

Not Before: 2025-08-22T15:39:48Z

Not After: 2025-11-20T15:39:47Z

Signature Algorithm: sha256, rsa


Show details
Fingerprint 9C:0F:42:7C:37:D2:E2:93:37:39:0C:92:7D:7C:7C:FF:91:4B:E5:F9
Issuer CN=R12, O=Let's Encrypt, C=US
Not After 2025-11-20T15:39:47Z
Not Before 2025-08-22T15:39:48Z
Serial number 532BDAB1DB79B69D8E571739D2975EB8CF2
Signature Algorithm sha256, rsa
Subject CN=crstraseni.md
Extensions:
authorityInfoAccess CA Issuers - URI:http://r12.i.lencr.org/
authorityKeyIdentifier keyid:00:B5:29:F2:2D:8E:6F:31:E8:9B:4C:AD:78:3E:FA:DC:E9:0C:D1:D2
basicConstraints CA:FALSE
certificatePolicies Policy: 2.23.140.1.2.1
crlDistributionPoints Full Name: URI:http://r12.c.lencr.org/115.crl
ctlSignedCertificateTimestamp BIHzAPEAdwAN4fIwK9MNwUBiEgnqVS78R3R8sdfpMO8OQh60fk6qNAAAAZjSpTGOAAAEAwBIMEYCIQDdpBydUJk-KqIyduIyI2iBelmQd0zOcddrCo3IrWhFzwIhAOnWEWa_k0yKuBF4kRfgtQ7-XNBdQvWz5QTBdubrB5bBAHYAGgT_SdBUHUCv9qDDv_HYxGcvTuzuI0BomGsXQC7ciX0AAAGY0qUxvwAABAMARzBFAiBxx3PcNH5Hp7wYjuJp7rsyidro5noWspWwFvHsd7OGpgIhALXSHkzrhTH9fBx8MHTd1exZHgBwylIVMLS4n2cmKI07
extendedKeyUsage TLS Web server authentication, TLS Web client authentication
keyUsage Digital Signature, Key Encipherment
subjectAltName DNS:crstraseni.md
subjectKeyIdentifier AD:75:A2:61:3D:C9:18:BC:F3:C1:1F:C6:A3:36:D1:9F:55:FB:78:E3

Certificate Chain

ISRG Root X1

Issuer: CN=ISRG Root X1, O=Internet Security Research Group, C=US

Not Before: 2024-03-13T00:00:00Z

Not After: 2027-03-12T23:59:59Z

Signature Algorithm: sha256, rsa


Show details
Fingerprint EE:44:78:28:35:D8:FB:31:39:4D:A5:CE:B8:40:DC:93:84:9B:CF:5A
Issuer CN=ISRG Root X1, O=Internet Security Research Group, C=US
Not After 2027-03-12T23:59:59Z
Not Before 2024-03-13T00:00:00Z
Serial number C212324B70A9B49171DC40F7E285263C
Signature Algorithm sha256, rsa
Subject CN=R12, O=Let's Encrypt, C=US
Extensions:
authorityInfoAccess CA Issuers - URI:http://x1.i.lencr.org/
authorityKeyIdentifier keyid:79:B4:59:E6:7B:B6:E5:E4:01:73:80:08:88:C8:1A:58:F6:E9:9B:6E
basicConstraints CA:TRUE
certificatePolicies Policy: 2.23.140.1.2.1
crlDistributionPoints Full Name: URI:http://x1.c.lencr.org/
extendedKeyUsage TLS Web client authentication, TLS Web server authentication
keyUsage Digital Signature, Key Cert Sign, C R L Sign
subjectKeyIdentifier 00:B5:29:F2:2D:8E:6F:31:E8:9B:4C:AD:78:3E:FA:DC:E9:0C:D1:D2

Valid Certificate and Certificate Chain

This certificate is valid and has a valid certificate chain, meanubg the certificate has been issued by a trusted Certificate Authority (CA) and is considered reliable. SSL certificates are used to secure websites, and their validity is crucial for data encryption and user trust. The certificate chain consists of the server's certificate, intermediate certificates, and a root CA certificate. Browsers validate this chain to ensure that the website's identity has been verified and that data transmission is secure. In essence, a valid SSL certificate with a valid certificate chain ensures encrypted and trustworthy communication between users and the website.