castelguelfo.org

Issued by R3

About this certificate

This digital certificate with serial number 04:81:39:cc:ae:91:4c:ce:55:63:7f:82:a0:10:10:1e:7e:64 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:
  • 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=castelguelfo.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:81:39:cc:ae:91:4c:ce:55:63:7f:82:a0:10:10:1e:7e:64
Serial Number (int): 392422397824812054585523471938632286109284
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: ee:00:67:7b:3a:bd:70:9e:70:c9:3b:c7:66:20:24:1a:2c:1d:93:f2
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): fc:84:f8:45:ec:e8:b8:53:9a:ae:ab:5b:40:76:e0:8e:40:8b:b4:09
Fingerprint (sha256): 4b:a3:25:ef:da:05:cb:cb:76:d3:40:51:59:4f:a8:36:43:05:63:19:a7:b5:b4:69:df:14:ce:47:f8:46:27:31

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate castelguelfo.org

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for castelguelfo.org

Public Key Algorithm

ECDSA

Key Size

384

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

castelguelfo.org

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www.castelguelfo.org
castelguelfo.org
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www.castelguelfo.org
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castelguelfo.org
www.castelguelfo.org
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castelguelfo.org
castelguelfo.org
castelguelfo.org
castelguelfo.org
www.castelguelfo.org
castelguelfo.org

Certificate

The complete raw certificate details for castelguelfo.org in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIEQTCCAymgAwIBAgISBIE5zK6RTM5VY3+CoBAQHn5kMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yNDAyMDYxOTMxNDBaFw0yNDA1MDYxOTMxMzlaMBsxGTAXBgNVBAMT
EGNhc3RlbGd1ZWxmby5vcmcwdjAQBgcqhkjOPQIBBgUrgQQAIgNiAAR3u9fKvtHh
p2gJGRtpzeENnz2/29gC0L4EiR8MgLc9AtoTJmvi5XpseA3esBZ8FUf90k9uneNM
BFisdo0DPpqjLYTyeNi96r6nEHJqkWnpsf3eWGw5Swt7Mqw6DnhO2gGjggIUMIIC
EDAOBgNVHQ8BAf8EBAMCB4AwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMC
MAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFO4AZ3s6vXCecMk7x2YgJBosHZPyMB8G
A1UdIwQYMBaAFBQusxe3WFbLrlAJQOYfr52LFMLGMFUGCCsGAQUFBwEBBEkwRzAh
BggrBgEFBQcwAYYVaHR0cDovL3IzLm8ubGVuY3Iub3JnMCIGCCsGAQUFBzAChhZo
dHRwOi8vcjMuaS5sZW5jci5vcmcvMBsGA1UdEQQUMBKCEGNhc3RlbGd1ZWxmby5v
cmcwEwYDVR0gBAwwCjAIBgZngQwBAgEwggEGBgorBgEEAdZ5AgQCBIH3BIH0APIA
dwBIsONr2qZHNA/lagL6nTDrHFIBy1bdLIHZu7+rOdiEcwAAAY2AHoayAAAEAwBI
MEYCIQDQCFFynL0IEusBRqSIfguRD7AANy0aEfyAvjGDAykeOwIhAI0MySyL0gr3
dDIG7wHUD2jfCJM+IVqOmSzMcLKOiLdoAHcAdv+IPwq2+5VRwmHM9Ye6NLSkzbsp
3GhCCp/mZ0xaOnQAAAGNgB6HBQAABAMASDBGAiEA96/aWauR/nt6yAoAsANzU0TP
BT6qh30MPuKWTSSHPZ4CIQDfH8mvk2HoCiER/t6e4q0SJ53W8eOuo4uJWFNpkMlM
6zANBgkqhkiG9w0BAQsFAAOCAQEAATtaH6g03NaRZYDxNjOzLkZHz9oehyDhAZn8
VhB3tk5V4v6tYpLZXtriG6rqXGRjKRe0wNay8HziVCjrnq8rBWxfFA4oie7aIwCK
Jk5AzlYM6cc70qdJnAXzYZAQhb2dHg5P4C9lw97XLZcOj/br17ujeKb7bux7EmlR
M7OETqZ6cWza2fN3XOPrQc4vuTzTvtLvRyjP+kxgj3YMQ1N/O+K4Gu3Ni9ryljcF
sEOaGvobIykZfdybx/aMDoSzFzkZH059kjEx/lO9wkmucBrPT5rstC4bNHY2vwrQ
eWyni6FUZ/xwrxL/ASDsxbMGqx/IG4zLcZELrNUu3C9Evdn3EQ==
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MHYwEAYHKoZIzj0CAQYFK4EEACIDYgAEd7vXyr7R4adoCRkbac3hDZ89v9vYAtC+
BIkfDIC3PQLaEyZr4uV6bHgN3rAWfBVH/dJPbp3jTARYrHaNAz6aoy2E8njYveq+
pxByapFp6bH93lhsOUsLezKsOg54TtoB
-----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 392422397824812054585523471938632286109284
 . . . . . . . . [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 2024-02-06 19:31:40 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-06 19:31:39 +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 'castelguelfo.org'
 . . . . . . . . [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 1.3.132.0.34 (secp384r1)
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (776 bits)
				000477bbd7cabed1e1a76809191b69cde10d9f3dbfdbd802d0be04891f0c80b73d02da13266be2e57a6c780ddeb0167c1547fdd24f6e9de34c0458ac768d033e9aa32d84f278d8bdeabea710726a9169e9b1fdde586c394b0b7b32ac3a0e784eda01
 . . . . . . . . [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)
							ee00677b3abd709e70c93bc76620241a2c1d93f2
 . . . . . . . . . . . . . . . . [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 (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'castelguelfo.org'
 . . . . . . . . . . . . . . . . [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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f200770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d801e86b20000040300483046022100d00851729cbd0812eb0146a4887e0b910fb000372d1a11fc80be318303291e3b0221008d0cc92c8bd20af7743206ef01d40f68df08933e215a8e992ccc70b28e88b76800770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018d801e87050000040300483046022100f7afda59ab91fe7b7ac80a00b003735344cf053eaa877d0c3ee2964d24873d9e022100df1fc9af9361e80a2111fede9ee2ad12279dd6f1e3aea38b8958536990c94ceb
 . . . . [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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