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

singerei.md

Issuer: CN=R10, O=Let's Encrypt, C=US

Not Before: 2024-11-02T12:01:44Z

Not After: 2025-01-31T12:01:43Z

Signature Algorithm: sha256, rsa


Show details
Fingerprint B0:D1:D7:FA:3B:80:77:A5:E9:1F:E3:22:3E:AF:61:BB:B8:ED:B6:D6
Issuer CN=R10, O=Let's Encrypt, C=US
Not After 2025-01-31T12:01:43Z
Not Before 2024-11-02T12:01:44Z
Serial number 4A6124A38AB49E6E061B5F7F7BED56641D7
Signature Algorithm sha256, rsa
Subject CN=singerei.md
Extensions:
authorityInfoAccess CA Issuers - URI:http://r10.i.lencr.org/ OCSP - URI:http://r10.o.lencr.org
authorityKeyIdentifier keyid:BB:BC:C3:47:A5:E4:BC:A9:C6:C3:A4:72:0C:10:8D:A2:35:E1:C8:E8
basicConstraints CA:FALSE
certificatePolicies Policy: 2.23.140.1.2.1
ctlSignedCertificateTimestamp BIHzAPEAdgDPEVbu1S58r_OHW9lpLpvpGnFnSrAX7KwB0lt3zsw7CAAAAZLs9kLxAAAEAwBHMEUCIQDpW07l3ymM913oErKA2llwitwY1Tk-Xeh8RUaaNGTTcQIgC5JIvrkpFA85XMvVqtpdsneVFEHqAEQI5XuzOe6XtK4AdwDgkrP8DB3I52g2H95huZZNClJ4GYpy1nLEsE2lbW9UBAAAAZLs9kOXAAAEAwBIMEYCIQC23cYNcWcmEOazg69Uyb7YjWB3yEFydOqUl3EEpGzjpAIhAO0eRyXp9W3ZxJ9uqqYj7TZzcW6dLq2X3P0PtmrS7qko
extendedKeyUsage TLS Web server authentication, TLS Web client authentication
keyUsage Digital Signature, Key Encipherment
subjectAltName DNS:singerei.md, DNS:*.singerei.md
subjectKeyIdentifier A9:05:0D:3D:10:7A:C6:66:B5:89:6D:B3:1B:77:93:62:93:B0:2D:A8

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 00:AB:EF:D0:55:F9:A9:C7:84:FF:DE:AB:D1:DC:DD:8F:ED:74:14:36
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 4BA85293F79A2FA273064BA8048D75D0
Signature Algorithm sha256, rsa
Subject CN=R10, 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 BB:BC:C3:47:A5:E4:BC:A9:C6:C3:A4:72:0C:10:8D:A2:35:E1:C8:E8

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.