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.


Check failed

test.asp.gov.md

Issuer: CN=R3, O=Let's Encrypt, C=US

Not Before: 2024-04-24T11:05:38Z

Not After: 2024-07-23T11:05:37Z

Signature Algorithm: sha256, rsa


Show details
Fingerprint E6:18:6E:A8:E1:9F:4D:B6:37:99:0C:CC:C5:FC:84:F5:55:8F:9F:3B
Issuer CN=R3, O=Let's Encrypt, C=US
Not After 2024-07-23T11:05:37Z
Not Before 2024-04-24T11:05:38Z
Serial number 47BD8F1FB73F9E44C9722DE8CB6A8035055
Signature Algorithm sha256, rsa
Subject CN=test.asp.gov.md
Extensions:
authorityInfoAccess CA Issuers - URI:http://r3.i.lencr.org/ OCSP - URI:http://r3.o.lencr.org
authorityKeyIdentifier keyid:14:2E:B3:17:B7:58:56:CB:AE:50:09:40:E6:1F:AF:9D:8B:14:C2:C6
basicConstraints CA:FALSE
certificatePolicies Policy: 2.23.140.1.2.1
ctlSignedCertificateTimestamp BIHzAPEAdwB2_4g_Crb7lVHCYcz1h7o0tKTNuyncaEIKn-ZnTFo6dAAAAY8P_0a-AAAEAwBIMEYCIQCye_a3glEacS6pXvOEzVJQmt3tHTT3kwZVoOd21qlQxAIhANrujbwvsAxxxZcsjsiXbRqPGwPNSJJ4lzGcUWbpdHrmAHYASLDja9qmRzQP5WoC-p0w6xxSActW3SyB2bu_qznYhHMAAAGPD_9G7QAABAMARzBFAiEAlSgdRpzHlvgqYRScEVE0T5zPM2fH5m926o4ebm5JLMoCIDvkXwqk-UQLV2fUYCatxyPFBb_Ra_CqqqFrguzet1Bc
extendedKeyUsage TLS Web server authentication, TLS Web client authentication
keyUsage Digital Signature, Key Encipherment
subjectAltName DNS:test.asp.gov.md
subjectKeyIdentifier 88:0A:24:68:00:71:78:CD:99:35:2F:AF:4A:F3:73:C5:A5:03:4F:46

Certificate Chain

R3

Issuer: CN=R3, O=Let's Encrypt, C=US

Not Before: 2024-04-24T11:05:38Z

Not After: 2024-07-23T11:05:37Z

Signature Algorithm: sha256, rsa


Show details
Fingerprint E6:18:6E:A8:E1:9F:4D:B6:37:99:0C:CC:C5:FC:84:F5:55:8F:9F:3B
Issuer CN=R3, O=Let's Encrypt, C=US
Not After 2024-07-23T11:05:37Z
Not Before 2024-04-24T11:05:38Z
Serial number 47BD8F1FB73F9E44C9722DE8CB6A8035055
Signature Algorithm sha256, rsa
Subject CN=test.asp.gov.md
Extensions:
authorityInfoAccess CA Issuers - URI:http://r3.i.lencr.org/ OCSP - URI:http://r3.o.lencr.org
authorityKeyIdentifier keyid:14:2E:B3:17:B7:58:56:CB:AE:50:09:40:E6:1F:AF:9D:8B:14:C2:C6
basicConstraints CA:FALSE
certificatePolicies Policy: 2.23.140.1.2.1
ctlSignedCertificateTimestamp BIHzAPEAdwB2_4g_Crb7lVHCYcz1h7o0tKTNuyncaEIKn-ZnTFo6dAAAAY8P_0a-AAAEAwBIMEYCIQCye_a3glEacS6pXvOEzVJQmt3tHTT3kwZVoOd21qlQxAIhANrujbwvsAxxxZcsjsiXbRqPGwPNSJJ4lzGcUWbpdHrmAHYASLDja9qmRzQP5WoC-p0w6xxSActW3SyB2bu_qznYhHMAAAGPD_9G7QAABAMARzBFAiEAlSgdRpzHlvgqYRScEVE0T5zPM2fH5m926o4ebm5JLMoCIDvkXwqk-UQLV2fUYCatxyPFBb_Ra_CqqqFrguzet1Bc
extendedKeyUsage TLS Web server authentication, TLS Web client authentication
keyUsage Digital Signature, Key Encipherment
subjectAltName DNS:test.asp.gov.md
subjectKeyIdentifier 88:0A:24:68:00:71:78:CD:99:35:2F:AF:4A:F3:73:C5:A5:03:4F:46

ISRG Root X1

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

Not Before: 2020-09-04T00:00:00Z

Not After: 2025-09-15T16:00:00Z

Signature Algorithm: sha256, rsa


Show details
Fingerprint A0:53:37:5B:FE:84:E8:B7:48:78:2C:7C:EE:15:82:7A:6A:F5:A4:05
Issuer CN=ISRG Root X1, O=Internet Security Research Group, C=US
Not After 2025-09-15T16:00:00Z
Not Before 2020-09-04T00:00:00Z
Serial number 912B084ACF0C18A753F6D62E25A75F5A
Signature Algorithm sha256, rsa
Subject CN=R3, 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: 1.3.6.1.4.1.44947.1.1.1 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 14:2E:B3:17:B7:58:56:CB:AE:50:09:40:E6:1F:AF:9D:8B:14:C2:C6



This certificate is not valid

This certificate and its chain is not valid, it signifies potential security and trust issues. An invalid SSL certificate could mean it has expired, been revoked, or not issued by a trusted Certificate Authority (CA). Additionally, an invalid certificate chain may indicate missing or misconfigured intermediate certificates, making it impossible to establish a secure connection to the website. In such cases, web browsers will typically display warnings to users, cautioning them about potential security risks, and it's advisable to avoid interacting with such websites to protect sensitive data from potential threats.