ars-serendi.de
Issued by R3
About this certificate
This digital certificate with serial number 03:cc:4a:69:82:2b:bf:1a:03:6e:60:68:00:44:e3:00:01:5c 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:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=ars-serendi.de
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:cc:4a:69:82:2b:bf:1a:03:6e:60:68:00:44:e3:00:01:5cSerial Number (int): 330853371350189618965876892465842119246172
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: c9:92:e7:23:a6:f4:f1:3c:37:1f:c7:82:ad:0a:3d:2d:30:36:9e:f0
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): 07:57:a3:2b:a1:fd:ae:24:f4:99:db:1c:72:8e:1f:51:a6:fe:12:87
Fingerprint (sha256): 58:a5:ef:f3:e7:c3:07:f8:38:24:5f:68:aa:c9:b7:28:0a:88:3d:74:03:9f:22:93:35:11:e9:b1:33:da:33:fb
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate ars-serendi.de
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for ars-serendi.de
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
ars-serendi.de
www.ars-serendi.de
www.ars-serendi.de
Other certificates including the domain name ars-serendi.de
(limited to 100 certificates)
www.ars-serendi.de
ars-serendi.de
ars-serendi.de
mail.ars-serendi.de
www.ars-serendi.de
ars-serendi.de
ars-serendi.de
www.ars-serendi.de
ars-serendi.de
ars-serendi.de
ars-serendi.de
mail.ars-serendi.de
ars-serendi.de
ars-serendi.de
ars-serendi.de
ars-serendi.de
ars-serendi.de
ars-serendi.de
ars-serendi.de
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ars-serendi.de
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mail.ars-serendi.de
www.ars-serendi.de
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www.ars-serendi.de
ars-serendi.de
ars-serendi.de
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mail.ars-serendi.de
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ars-serendi.de
ars-serendi.de
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ars-serendi.de
ars-serendi.de
ars-serendi.de
Certificate
The complete raw certificate details for ars-serendi.de in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFNTCCBB2gAwIBAgISA8xKaYIrvxoDbmBoAETjAAFcMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzAzMDcwNjIwNTBaFw0yMzA2MDUwNjIwNDlaMBkxFzAVBgNVBAMT DmFycy1zZXJlbmRpLmRlMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA 2AZUuTr1bL4hxHqBKFLDNWtGb5a0amGeYTtYiryhrbFvoJqsXb8eAH/iP94V7G/x uGXz4h3CkQXgJweFrtN2WXFzRxZxM/mnAPFyyCJLogHdLBMz8PTpXS0YaLc50sYZ IC+hYhqzECvbvrLfGbCRSeTRdOInYG5DJs1vLiuZ0s31NfiDOD8fgHrOM+L1TGPT MhAplzDTzUm++2ChNBGqGCQAX8U1D3cgYu8HvgtxXQdXM436koygi56CYIh/e0Kh t5tml9OdUVINb8b+DPQRrJvt685rmtlcQdtLg+zj3YIVsy9Uq23rywHvwVebUQRx vsomN7N/+yEZPDPBJzs30wIDAQABo4ICXDCCAlgwDgYDVR0PAQH/BAQDAgWgMB0G A1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1Ud DgQWBBTJkucjpvTxPDcfx4KtCj0tMDae8DAfBgNVHSMEGDAWgBQULrMXt1hWy65Q CUDmH6+dixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0dHA6Ly9y My5vLmxlbmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVuY3Iub3Jn LzAtBgNVHREEJjAkgg5hcnMtc2VyZW5kaS5kZYISd3d3LmFycy1zZXJlbmRpLmRl MEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUH AgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBAwYKKwYBBAHWeQIEAgSB 9ASB8QDvAHYAtz77JN+cTbp18jnFulj0bF38Qs96nzXEnh0JgSXttJkAAAGGuvG/ zwAABAMARzBFAiEAxX0o7zHaLhxUeDQmQe0Bd5PoBZ8q7/b5OhQIR1zNbvICIHbt z25tPJi93GGULY9SDGZNeTuo0moLGruC4Zwt5x4lAHUA6D7Q2j71BjUy51covIlr yQPTy9ERa+zraeF3fW0GvW4AAAGGuvG/xAAABAMARjBEAiAdA92x7wh0IOpQx2n7 TMlpjhtTPbG2TCpKvEapNnoCSwIgHBnPXp91FC0MrwKLHruIKQqvvbQDsEz6rIvr UNj/u20wDQYJKoZIhvcNAQELBQADggEBAIJzuEdAu3JHaYqe0UEzDR4nhV+Eh5fR CwnmduTHeKRPAQWXAEzzyly0DMLspXvlUV9jBdgseySL3z0ylW3copOL4aAJIL7f ebTXAiUJtg+oKjsIwMPyN8vtUgU6HTv1KH1uUSS8JSczOxD/T8fCdWkpSJtfcjyz aNM+RdAiqpwZz7nP7NVM4okiD5M8C+piYdjFUilaqgauS+ubIG6AGun8rj/4osgM xPUMEeC78JF2CfqTqcmsUQMDMF43znlArijXOlRj9B8/qJdWfnnMLVw081N1DITf oswtBbd/G+IWR3lfeYPd8v1P32weVo4dKNARv2P1PTFfdKvPVKCHnLM= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2AZUuTr1bL4hxHqBKFLD NWtGb5a0amGeYTtYiryhrbFvoJqsXb8eAH/iP94V7G/xuGXz4h3CkQXgJweFrtN2 WXFzRxZxM/mnAPFyyCJLogHdLBMz8PTpXS0YaLc50sYZIC+hYhqzECvbvrLfGbCR SeTRdOInYG5DJs1vLiuZ0s31NfiDOD8fgHrOM+L1TGPTMhAplzDTzUm++2ChNBGq GCQAX8U1D3cgYu8HvgtxXQdXM436koygi56CYIh/e0Kht5tml9OdUVINb8b+DPQR rJvt685rmtlcQdtLg+zj3YIVsy9Uq23rywHvwVebUQRxvsomN7N/+yEZPDPBJzs3 0wIDAQAB -----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 330853371350189618965876892465842119246172 . . . . . . . . [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 2023-03-07 06:20:50 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-06-05 06:20:49 +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 'ars-serendi.de' . . . . . . . . [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 27270595781154286988121080813432663879705413089208629125972946125628623537830767168931376216026841417759468608280274377550265188219856658098397295461121934250675006997123435806606603070629107632941575612489204287650427745016707203917932489455237829835834511401049626862670227449331205930532326493744648443901986963379555420441682847665224283895713957824622553360387339151439089954782550132986990376753880115272627377103383634936367479999721209372954757543652536840808512655178667271888597978837722534472238959679693623133977627251216529224426640349547225800682437837444485592859952034020804959669902566075396119017427 . . . . . . . . . . . . . . . . . . . . [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) c992e723a6f4f13c371fc782ad0a3d2d30369ef0 . . . . . . . . . . . . . . . . [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 (38 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ars-serendi.de' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ars-serendi.de' . . . . . . . . . . . . . . . . [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 1.3.6.1.4.1.11129.2.4.2 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000186baf1bfcf0000040300473045022100c57d28ef31da2e1c5478342641ed017793e8059f2aeff6f93a1408475ccd6ef2022076edcf6e6d3c98bddc61942d8f520c664d793ba8d26a0b1abb82e19c2de71e25007500e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e00000186baf1bfc4000004030046304402201d03ddb1ef087420ea50c769fb4cc9698e1b533db1b64c2a4abc46a9367a024b02201c19cf5e9f75142d0caf028b1ebb88290aafbdb403b04cfaac8beb50d8ffbb6d . . . . [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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