durban.cat
Issued by R3
About this certificate
This digital certificate with serial number 04:aa:39:68:c8:00:a5:57:67:2a:12:5d:41:39:c1:46:59:de 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=durban.cat
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:aa:39:68:c8:00:a5:57:67:2a:12:5d:41:39:c1:46:59:deSerial Number (int): 406373456154766644622778912918364595050974
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 7b:c0:70:20:a2:50:c2:d2:fe:39:1d:11:50:50:01:af:dc:5e:88:38
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): f8:89:83:30:07:f6:00:15:da:29:b9:da:2a:8a:c7:14:4c:a1:cc:3f
Fingerprint (sha256): a5:b6:d1:83:f3:23:d2:d2:10:a7:52:b1:34:ed:e5:87:8c:80:49:9c:0f:39:8a:41:7d:61:90:1d:3b:a3:4e:df
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate durban.cat
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for durban.cat
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
durban.cat
www.durban.cat
www.durban.cat
Other certificates including the domain name durban.cat
(limited to 100 certificates)
Certificate
The complete raw certificate details for durban.cat in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIEJTCCAw2gAwIBAgISBKo5aMgApVdnKhJdQTnBRlneMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yNDAzMjgwNTQwMThaFw0yNDA2MjYwNTQwMTdaMBUxEzARBgNVBAMT CmR1cmJhbi5jYXQwWTATBgcqhkjOPQIBBggqhkjOPQMBBwNCAAQrst9stogTvn4I JXd01OZ5COAPLm6C3jUd/dLlg34w9ez8vYBSeUXs2seZ/ET2XQvvYW4uJZWx6Q+R Lh5wh9CGo4ICGzCCAhcwDgYDVR0PAQH/BAQDAgeAMB0GA1UdJQQWMBQGCCsGAQUF BwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBR7wHAgolDC0v45 HRFQUAGv3F6IODAfBgNVHSMEGDAWgBQULrMXt1hWy65QCUDmH6+dixTCxjBVBggr BgEFBQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0dHA6Ly9yMy5vLmxlbmNyLm9yZzAi BggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVuY3Iub3JnLzAlBgNVHREEHjAcggpk dXJiYW4uY2F0gg53d3cuZHVyYmFuLmNhdDATBgNVHSAEDDAKMAgGBmeBDAECATCC AQMGCisGAQQB1nkCBAIEgfQEgfEA7wB2AKLiv9Ye3i8vB6DWTm03p9xlQ7DGtS6i 2reK+Jpt9RfYAAABjoPJtVgAAAQDAEcwRQIhAOlYjsQ207hYwm43YVWnp3QmKlTS MlXQTG3bYPaNM3foAiBzRmK1Y04PEctNlqbFe6NXUz7cd6tOWF36pb/jihBKvgB1 AO7N0GTV2xrOxVy3nbTNE6Iyh0Z8vOzew1FIWUZxH7WbAAABjoPJtT8AAAQDAEYw RAIgMDvA9NUH3IMXVhTAN1A/+yYjVQv4iJEUzw73IZ3zL04CICkrYyRTRlM8UnBT aUGWwqstTfjjA3iySjG/5VdsSpwpMA0GCSqGSIb3DQEBCwUAA4IBAQCk8fifAwzh LWWE2D0CpgvcfqvDTS6bQ4qqzFpMS7mSqdRsLQnaLGpIs9GoUS9ekbWN1/vj3Ath g7e1GatlLzDrndoS99GnnJDNsJ4Q4nZRX9m6E26UDG/ulesKUw3MZUiK7rO5c46U 1LPrMniDFunBqpJ13h/84Z+ZqrSuLU8pxu+W3z5shp8GfqLmhDygfteWRQt834TO VQJUBxEknVgipbxwoi64pVsZGnPGimQ/8829QqRfj+wc8wHXEj5IPVzbyp8T/wSy STuYm7c9YdNUdR+Yd1gS/PnltNYOX8xi04su9VvKNM5x432u58F0M0Fp29791ZSA 5aD2aqSPPQcr -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEK7LfbLaIE75+CCV3dNTmeQjgDy5u gt41Hf3S5YN+MPXs/L2AUnlF7NrHmfxE9l0L72FuLiWVsekPkS4ecIfQhg== -----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 406373456154766644622778912918364595050974 . . . . . . . . [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 2024-03-28 05:40:18 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-26 05:40:17 +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 'durban.cat' . . . . . . . . [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) 00042bb2df6cb68813be7e08257774d4e67908e00f2e6e82de351dfdd2e5837e30f5ecfcbd80527945ecdac799fc44f65d0bef616e2e2595b1e90f912e1e7087d086 . . . . . . . . [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) 7bc07020a250c2d2fe391d11505001afdc5e8838 . . . . . . . . . . . . . . . . [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 (30 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'durban.cat' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.durban.cat' . . . . . . . . . . . . . . . . [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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018e83c9b5580000040300473045022100e9588ec436d3b858c26e376155a7a774262a54d23255d04c6ddb60f68d3377e80220734662b5634e0f11cb4d96a6c57ba357533edc77ab4e585dfaa5bfe38a104abe007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018e83c9b53f00000403004630440220303bc0f4d507dc83175614c037503ffb2623550bf8889114cf0ef7219df32f4e0220292b63245346533c527053694196c2ab2d4df8e30378b24a31bfe5576c4a9c29 . . . . [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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