guitarsy.com
Issued by R3
About this certificate
This digital certificate with serial number 04:ff:5a:d8:b6:1d:81:59:70:1d:57:3f:18:b1:cb:ff:e8:46 was issued on by Let's Encrypt.
With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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:
- DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
- Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
- Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)
Certificate Subject
CN=guitarsy.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:ff:5a:d8:b6:1d:81:59:70:1d:57:3f:18:b1:cb:ff:e8:46Serial Number (int): 435341903041358576988614098722633023481926
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 9b:d7:b8:f7:61:a6:03:a3:54:6d:20:27:e7:46:df:46:ba:1b:43:ff
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): f6:2e:b3:d9:86:1c:59:86:3e:64:56:ab:f9:fc:66:40:30:2c:16:28
Fingerprint (sha256): 66:e9:6c:13:04:74:40:c0:1a:0c:1b:6f:4a:0a:4c:5c:f8:20:2b:db:b0:06:23:ab:1d:9b:31:07:e2:87:9f:51
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate guitarsy.com
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for guitarsy.com
Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Digital Signature
Key Encipherment
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
*.guitarsy.com
guitarsy.com
guitarsy.com
Other certificates including the domain name guitarsy.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for guitarsy.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIE9TCCA92gAwIBAgISBP9a2LYdgVlwHVc/GLHL/+hGMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzExMTgxNjIxMzZaFw0yNDAyMTYxNjIxMzVaMBcxFTATBgNVBAMT DGd1aXRhcnN5LmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANmK C1+931J0cyNco7hY8qjLiADIvxL32FeQPrfqppUmIpk8QshiDe2mUXpb/mN10ep7 EWTVpXQI61PzEA+T5hdT3QmFRTaabWMdVnLj59fgPUyh03nh+dUUiUHo25p0M8Jj u3mrmIQ7WinGBcccLGDfoSicCzwNt7rEZ59uLpB1I2HMeKtKibZMaEgiHykG97U8 NEqXKsAyyxvXGaa6Go8QA7XS+rF/7hwIO1rZLLPOp6Qvenc0PoUfZStTbQ3NBhvZ uM8kmkDkN6UQSSMQ/kzoHjBMDBg89ovPGbJ8+Vymt0aMdDyldIEQAjz6tgfWB9xH XFpLMXSkVJtuyUpnUAUCAwEAAaOCAh4wggIaMA4GA1UdDwEB/wQEAwIFoDAdBgNV HSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4E FgQUm9e492GmA6NUbSAn50bfRrobQ/8wHwYDVR0jBBgwFoAUFC6zF7dYVsuuUAlA 5h+vnYsUwsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVodHRwOi8vcjMu by5sZW5jci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxlbmNyLm9yZy8w JwYDVR0RBCAwHoIOKi5ndWl0YXJzeS5jb22CDGd1aXRhcnN5LmNvbTATBgNVHSAE DDAKMAgGBmeBDAECATCCAQQGCisGAQQB1nkCBAIEgfUEgfIA8AB3ADtTd3U+LbmA ToswWwb+QDtn2E/D9Me9AA0tcm/h+tQXAAABi+NzxIMAAAQDAEgwRgIhAMv44Rzq MWfeke3BPV8GK0vJSBnyE6DCZAoybhfCkFO/AiEAsR6cme2Qd/gLQ3PiWc90U2FA vk9bxdi2Xl00Ksl9cIgAdQBIsONr2qZHNA/lagL6nTDrHFIBy1bdLIHZu7+rOdiE cwAAAYvjc8Z6AAAEAwBGMEQCIGcZDV80LJWP3BcuzoDkdOE+ztZ2MsR+KcKTyDf4 mXH6AiBOIDnoj/RQwK8ntDWjjNRxpJ9kWQg9kI4w24meGHIoVDANBgkqhkiG9w0B AQsFAAOCAQEAJC4dc0chsXmTCph4zFlEXchgSscd+eBYAidQJw6F3USPXuLrJVpu kdABFEEIZ1Tqp7lAMbCTenUF4UCyEI1joBONrYQe9BfPKOu97vxNV34kc/keNJCc mejc3nln9A2Lddhn31sc6fsxkkbjuRav9QpAbwi7tSeRiiun0xCUhM/g9DenDRmw qXq4/MRwNTd12CkoN6LXdCFDIqJs3H5JwCPwAjLALc9BCvoeZB2/fTVoCZCD/rxV efsyznQqssB3N694fBAnF73b4ISPC1G0wjsihTqr1TCMe7nl7vshnqmkYhwsQhkH q7VS/Ree/nhFGg22AQco+kokoC7q3Bhh1A== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2YoLX73fUnRzI1yjuFjy qMuIAMi/EvfYV5A+t+qmlSYimTxCyGIN7aZRelv+Y3XR6nsRZNWldAjrU/MQD5Pm F1PdCYVFNpptYx1WcuPn1+A9TKHTeeH51RSJQejbmnQzwmO7eauYhDtaKcYFxxws YN+hKJwLPA23usRnn24ukHUjYcx4q0qJtkxoSCIfKQb3tTw0SpcqwDLLG9cZproa jxADtdL6sX/uHAg7Wtkss86npC96dzQ+hR9lK1NtDc0GG9m4zySaQOQ3pRBJIxD+ TOgeMEwMGDz2i88Zsnz5XKa3Rox0PKV0gRACPPq2B9YH3EdcWksxdKRUm27JSmdQ BQIDAQAB -----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 435341903041358576988614098722633023481926 . . . . . . . . [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 2023-11-18 16:21:36 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-16 16:21:35 +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 'guitarsy.com' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption) . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 27461784422983566622074180355726536065087737314385323287356501570845126680485334106563407082814966443112712056530899061378073360687396121881813280619863379449615085152990758664837464778160543452331029466889979931893270548486905807747262459256041829373953239014545159409028113719323875909441207952454273308918628704048717947146946066845208976691121917945982368390966958103970369840939278907401183051239067561340966540672218274648888382672087685382047853629203376631053860547562586659852998462025040783154486943686017299652230958575018327342878402768874617699166657525527608295940177541836462699096477527822664099909637 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537 . . . . . . . . [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 (3 bits) 05a0 . . . . . . . . . . . . . . . . [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) 9bd7b8f761a603a3546d2027e746df46ba1b43ff . . . . . . . . . . . . . . . . [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 (32 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.guitarsy.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'guitarsy.com' . . . . . . . . . . . . . . . . [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 (12 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 1.3.6.1.4.1.11129.2.4.2 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f00077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018be373c4830000040300483046022100cbf8e11cea3167de91edc13d5f062b4bc94819f213a0c2640a326e17c29053bf022100b11e9c99ed9077f80b4373e259cf74536140be4f5bc5d8b65e5d342ac97d708800750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018be373c67a0000040300463044022067190d5f342c958fdc172ece80e474e13eced67632c47e29c293c837f89971fa02204e2039e88ff450c0af27b435a38cd471a49f6459083d908e30db899e18722854 . . . . [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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