cloudcraft.acloud.guru
Issued by R3
About this certificate
This digital certificate with serial number 04:d1:7e:6c:00:ff:05:94:bc:00:2a:ee:9b:31:de:0b:24:7b was issued on by Let's Encrypt.
This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.
We have idenified some issues with this certificate:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=cloudcraft.acloud.guru
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:d1:7e:6c:00:ff:05:94:bc:00:2a:ee:9b:31:de:0b:24:7bSerial Number (int): 419736201929251655286726460083510102926459
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: a4:db:78:05:1d:b6:cb:00:6c:b3:e5:1f:b2:d7:1d:22:33:e2:a3:58
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): 3b:aa:ea:5c:8b:3c:f1:4b:31:5d:00:39:95:39:7d:bf:78:d4:a3:a1
Fingerprint (sha256): 09:28:66:0a:c2:02:aa:a9:8d:ed:23:6e:6c:6a:dc:b5:35:c6:98:8e:58:97:4c:72:88:3f:31:7c:f5:9f:14:65
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate cloudcraft.acloud.guru
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for cloudcraft.acloud.guru
Public Key Algorithm
ECDSA
Key Size
256
Signature Algorithm
SHA256 with RSA
Key Usage
Digital Signature
Extended Key Usages
Server Authentication
Client Authentication
Extensions
9 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
cloudcraft.acloud.guru
Other certificates including the domain name acloud.guru
(limited to 100 certificates)
checkout.acloud.guru
*.firebaseapp.com
email.acloud.guru
*.firebaseapp.com
*.firebaseapp.com
get.acloudguru.com
*.firebaseapp.com
production-quiz-component.acloud.guru
*.firebaseapp.com
staging-quizeditor.acloud.guru
*.acloud.guru
mario-learn.acloud.guru
staging-cloudcraft-courses.acloud.guru
*.acloud.guru
*.firebaseapp.com
teams.acloud.guru
email.acloud.guru
verify.acloud.guru
info.acloud.guru
sni174184.cloudflaressl.com
production-internal-ernie.acloud.guru
test-internal-ernie.acloud.guru
sni174184.cloudflaressl.com
staging-internal-path-builder.acloud.guru
staging-skills.acloud.guru
sni174184.cloudflaressl.com
go.acloud.guru
*.firebaseapp.com
sni174184.cloudflaressl.com
it.lesl.cloud
*.firebaseapp.com
sni174184.cloudflaressl.com
mario-internal-business.acloud.guru
staging-cloudcraft-hands-on-labs.acloud.guru
production-internal-teams.acloud.guru
staging-internal-teams.acloud.guru
staging-cloudcraft-hands-on-labs.acloud.guru
*.firebaseapp.com
sales.acloud.guru
sputnik.acloud.guru
it.lesl.cloud
sni174184.cloudflaressl.com
staging-cloud-leader-sandbox.acloud.guru
api-docs.acloud.guru
study-groups.acloud.guru
*.firebaseapp.com
acloud.guru
staging-cloudcraft.acloud.guru
*.firebaseapp.com
*.firebaseapp.com
*.remediation.acloud.guru
cloud-leader-sandbox.acloud.guru
*.firebaseapp.com
*.acloud.guru
staging-business.acloud.guru
staging-content-admin.acloud.guru
verify.acloud.guru
*.firebaseapp.com
*.firebaseapp.com
*.acloud.guru
*.acloud.guru
*.firebaseapp.com
cloudcraft-tags.acloud.guru
rainbow-ui.acloud.guru
sni174184.cloudflaressl.com
cloudcraft.acloud.guru
*.firebaseapp.com
*.firebaseapp.com
staging-internal-billing.acloud.guru
auth.acloud.guru
staging-cloudcraft-learning-paths.acloud.guru
*.firebaseapp.com
try.acloud.guru
learn.acloud.guru
membership.acloud.guru
verify.acloud.guru
production-internal-join-up.acloud.guru
*.acloud.guru
business.acloud.guru
t.acloud.guru
test-internal-bernie.acloud.guru
production-quiz-component.acloud.guru
staging-internal-learn-app.acloud.guru
production-quiz-component.acloud.guru
staging-cloudcraft-assessments.acloud.guru
api-docs.acloud.guru
sni174184.cloudflaressl.com
*.firebaseapp.com
*.firebaseapp.com
sni174184.cloudflaressl.com
acloud.guru
it.lesl.cloud
mario-internal-business.acloud.guru
*.acloud.guru
rainbow-ui.acloud.guru
sni174184.cloudflaressl.com
*.firebaseapp.com
mario-business.acloud.guru
production-internal-join-up.acloud.guru
sni174184.cloudflaressl.com
*.firebaseapp.com
email.acloud.guru
*.firebaseapp.com
*.firebaseapp.com
get.acloudguru.com
*.firebaseapp.com
production-quiz-component.acloud.guru
*.firebaseapp.com
staging-quizeditor.acloud.guru
*.acloud.guru
mario-learn.acloud.guru
staging-cloudcraft-courses.acloud.guru
*.acloud.guru
*.firebaseapp.com
teams.acloud.guru
email.acloud.guru
verify.acloud.guru
info.acloud.guru
sni174184.cloudflaressl.com
production-internal-ernie.acloud.guru
test-internal-ernie.acloud.guru
sni174184.cloudflaressl.com
staging-internal-path-builder.acloud.guru
staging-skills.acloud.guru
sni174184.cloudflaressl.com
go.acloud.guru
*.firebaseapp.com
sni174184.cloudflaressl.com
it.lesl.cloud
*.firebaseapp.com
sni174184.cloudflaressl.com
mario-internal-business.acloud.guru
staging-cloudcraft-hands-on-labs.acloud.guru
production-internal-teams.acloud.guru
staging-internal-teams.acloud.guru
staging-cloudcraft-hands-on-labs.acloud.guru
*.firebaseapp.com
sales.acloud.guru
sputnik.acloud.guru
it.lesl.cloud
sni174184.cloudflaressl.com
staging-cloud-leader-sandbox.acloud.guru
api-docs.acloud.guru
study-groups.acloud.guru
*.firebaseapp.com
acloud.guru
staging-cloudcraft.acloud.guru
*.firebaseapp.com
*.firebaseapp.com
*.remediation.acloud.guru
cloud-leader-sandbox.acloud.guru
*.firebaseapp.com
*.acloud.guru
staging-business.acloud.guru
staging-content-admin.acloud.guru
verify.acloud.guru
*.firebaseapp.com
*.firebaseapp.com
*.acloud.guru
*.acloud.guru
*.firebaseapp.com
cloudcraft-tags.acloud.guru
rainbow-ui.acloud.guru
sni174184.cloudflaressl.com
cloudcraft.acloud.guru
*.firebaseapp.com
*.firebaseapp.com
staging-internal-billing.acloud.guru
auth.acloud.guru
staging-cloudcraft-learning-paths.acloud.guru
*.firebaseapp.com
try.acloud.guru
learn.acloud.guru
membership.acloud.guru
verify.acloud.guru
production-internal-join-up.acloud.guru
*.acloud.guru
business.acloud.guru
t.acloud.guru
test-internal-bernie.acloud.guru
production-quiz-component.acloud.guru
staging-internal-learn-app.acloud.guru
production-quiz-component.acloud.guru
staging-cloudcraft-assessments.acloud.guru
api-docs.acloud.guru
sni174184.cloudflaressl.com
*.firebaseapp.com
*.firebaseapp.com
sni174184.cloudflaressl.com
acloud.guru
it.lesl.cloud
mario-internal-business.acloud.guru
*.acloud.guru
rainbow-ui.acloud.guru
sni174184.cloudflaressl.com
*.firebaseapp.com
mario-business.acloud.guru
production-internal-join-up.acloud.guru
sni174184.cloudflaressl.com
Certificate
The complete raw certificate details for cloudcraft.acloud.guru in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIDdDCCAlygAwIBAgISBNF+bAD/BZS8ACrumzHeCyR7MA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMjA5MjUxODMwMTJaFw0yMjEyMjQxODMwMTFaMCExHzAdBgNVBAMT FmNsb3VkY3JhZnQuYWNsb3VkLmd1cnUwWTATBgcqhkjOPQIBBggqhkjOPQMBBwNC AASnWYMe2DkHyUaYNA90R7MjBXMXVQAgo3atcqz99935cacBr2BAGiw3ZAYLfe0z VYRbNU/7Wra+2DwHjvsxEF+po4IBXjCCAVowDgYDVR0PAQH/BAQDAgeAMB0GA1Ud JQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQW BBSk23gFHbbLAGyz5R+y1x0iM+KjWDAfBgNVHSMEGDAWgBQULrMXt1hWy65QCUDm H6+dixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0dHA6Ly9yMy5v LmxlbmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVuY3Iub3JnLzAh BgNVHREEGjAYghZjbG91ZGNyYWZ0LmFjbG91ZC5ndXJ1MEwGA1UdIARFMEMwCAYG Z4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMu bGV0c2VuY3J5cHQub3JnMBMGCisGAQQB1nkCBAMBAf8EAgUAMA0GCSqGSIb3DQEB CwUAA4IBAQCfAaOG1sjYBYNTZRYJ8i2Fb/JMwHhqFmzM1UbgRd4w82/6JOm0T7CX 0OgA/mWYQIS1SCO/dJXOOaF96dS+onk0mM6PlttG4MfaJpvB+T88EDin7M3JIJPW D/GxMpdy7pINV5+qvDF/JSr1bPfqptOCUXxzflgO+8icujMgKzizimrZPZVLrGb4 slV/rZeOxARDtVQf04w5pUGYdL3v59nL7CYkE5qZxfFP7OFRhTEX3CYo36e3Ecvv LSP2TtqeER3HMyuDNcJFb3E8E9K2HW+dahd7SdgZON+Z2VZpbW0Sw/JAvpB89UJE rLoCK5HIgbJS0qjJ5vaGkMvUjFG7QUDB -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEp1mDHtg5B8lGmDQPdEezIwVzF1UA IKN2rXKs/ffd+XGnAa9gQBosN2QGC33tM1WEWzVP+1q2vtg8B477MRBfqQ== -----END PUBLIC KEY-----
ASN.1 decoded
[c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2 . . . . . . . . [c:0|t:2|false] INTEGER 419736201929251655286726460083510102926459 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2022-09-25 18:30:12 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2022-12-24 18:30:11 +0000 UTC . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'cloudcraft.acloud.guru' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1 (ecPublicKey) . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7 (prime256v1) . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits) 0004a759831ed83907c94698340f7447b323057317550020a376ad72acfdf7ddf971a701af60401a2c3764060b7ded3355845b354ffb5ab6bed83c078efb31105fa9 . . . . . . . . [c:2|t:3|true] ORAddress . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (1 bits) 0780 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes) a4db78051db6cb006cb3e51fb2d71d2233e2a358 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 142eb317b75856cbae500940e61faf9d8b14c2c6 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (73 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.o.lencr.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.i.lencr.org/' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (26 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cloudcraft.acloud.guru' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (69 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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