www.spfau.de
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:49:73:dd:82:3e:84:77:96:43:41:cf:4f:1f:42:bb:8e:41 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=www.spfau.de
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:49:73:dd:82:3e:84:77:96:43:41:cf:4f:1f:42:bb:8e:41Serial Number (int): 373443767871056887085277929517470227074625
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 9f:40:96:55:29:ef:1b:f9:15:b0:65:4d:91:6e:49:8d:65:da:40:64
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): f8:af:fb:91:19:20:d7:d6:25:5e:c4:fe:6b:30:47:ff:cf:f4:d4:99
Fingerprint (sha256): 90:b6:54:45:60:ce:f8:3c:0d:e6:3a:d7:fe:99:9a:11:44:bd:fd:dd:e9:40:c3:0c:aa:7d:62:21:ff:4f:a9:ca
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate www.spfau.de
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.spfau.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
spfau.de
www.spfau.de
www.spfau.de
Other certificates including the domain name spfau.de
(limited to 100 certificates)
www.spfau.de
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Certificate
The complete raw certificate details for www.spfau.de in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFWTCCBEGgAwIBAgISBElz3YI+hHeWQ0HPTx9Cu45BMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAzMTUxNzQzNDlaFw0y MDA2MTMxNzQzNDlaMBcxFTATBgNVBAMTDHd3dy5zcGZhdS5kZTCCASIwDQYJKoZI hvcNAQEBBQADggEPADCCAQoCggEBALwM5a+9FrTrqT6jkz237uwhGhxoLWxcEjhF Xis6pXfKE0rSCUxHVoE+WM5OugbCWh8DiEhCznALsg2Qs8k5gB3UmPlACYHAaNl/ YMGhrKbLyoSJ4Jj1XB/UMKKykzTrn8oYGnS52qegZbgOZ0WQlLmZWtK3mcrdCTiW wiJlSncOyxtHLK1hFTXs4wsnDKbPr1t5HBzFQjL32vPb2XejcPe+/Z+LbuYzxjjP 7Y1FBnc4ca9iSC/fG3Z7PX1NFnVRtdZ5ZZc9EdHxX3vKkfY/V/NOIMlX+RO9VfgL 0EX6aUqJEkMUqNJCotrjgyRDpQtwnGl59clD1Z3fQYLQTbDTsOECAwEAAaOCAmow ggJmMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUH AwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUn0CWVSnvG/kVsGVNkW5JjWXaQGQw HwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUHAQEEYzBh MC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2VuY3J5cHQub3Jn MC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2VuY3J5cHQub3Jn LzAhBgNVHREEGjAYgghzcGZhdS5kZYIMd3d3LnNwZmF1LmRlMEwGA1UdIARFMEMw CAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9j cHMubGV0c2VuY3J5cHQub3JnMIIBAwYKKwYBBAHWeQIEAgSB9ASB8QDvAHYAb1N2 rDHwMRnYmQCkURX/dxUcEdkCwQApBo2yCJo32RMAAAFw34JmQgAABAMARzBFAiAI emQhKnzolh36BSw3JGA7EELhpD4UqkFxAs4Ko9E04wIhAOsOqT67K09514GsQN6X V1om1A/zh7HXNjoV9uepQJzLAHUAB7dcG+V9aP/xsMYdIxXHuuZXfFeUt2ruvGE6 GmnTohwAAAFw34JmQwAABAMARjBEAiAviEIXjNc7lpYoGIteOMt/ZpmEtbP6Vgft oQOWSLRT9wIgbBb3AO0QooeRVVpBbqWvUlfBLhIHDQdof39BKr+xZGIwDQYJKoZI hvcNAQELBQADggEBAIFkcv5FAIobW+bInuP+6bJ0d/RKQN8E7a3Fc7eO7sORZ03q v8XI4FImztnigtpVcCTVP2kvFriiPJ72/VQPwhZ3K0ezm9rFJJ97sTdxeK2NzzDQ FkiwZ09tjn1HBOfSqykteVZftI9ZLMweqnPdWTh5gKgUlLiLSKE5CGNWgvbmdLt/ v3D7vUDsEMk+Tbzjwt/iAo+YNIj5byid0/3mdqRrf6I30ebr7WqAREqJ7cqCxMSb YMS9EWrZI4ZPULgdQGLhEH0B/9CzozQC979YBZIiUtU8YgxC87+KtTc6EUVGt7t1 ciSvTkU0aMNzJryHsfX92PFMzyqiW8HkMxzsJqo= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvAzlr70WtOupPqOTPbfu 7CEaHGgtbFwSOEVeKzqld8oTStIJTEdWgT5Yzk66BsJaHwOISELOcAuyDZCzyTmA HdSY+UAJgcBo2X9gwaGspsvKhIngmPVcH9QworKTNOufyhgadLnap6BluA5nRZCU uZla0reZyt0JOJbCImVKdw7LG0csrWEVNezjCycMps+vW3kcHMVCMvfa89vZd6Nw 9779n4tu5jPGOM/tjUUGdzhxr2JIL98bdns9fU0WdVG11nlllz0R0fFfe8qR9j9X 804gyVf5E71V+AvQRfppSokSQxSo0kKi2uODJEOlC3CcaXn1yUPVnd9BgtBNsNOw 4QIDAQAB -----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 373443767871056887085277929517470227074625 . . . . . . . . [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 'Let's Encrypt Authority X3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-15 17:43:49 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-13 17:43:49 +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 'www.spfau.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 23739161186289921746214377824033163477063339126198802788848575907441532971040343184397680284469107860503479369267267375732851559022260102723416266806772898021474763560347689225345886317878201203350637773182401451214094323423910833238135449284380854218569746254908224123784370940253211075806369746048405840143389622591558531741178384160271080165347097619201718411190947265882083750171264156324945847182352382371264006465006151609079418391080309191314668133515868180527677536840824155159754100193203968698411980546294675897941510496022616617894039272207407766983136800991924565908528498005614178208458824546626208772321 . . . . . . . . . . . . . . . . . . . . [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) 9f40965529ef1bf915b0654d916e498d65da4064 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 'spfau.de' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.spfau.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) 00ef0076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d91300000170df82664200000403004730450220087a64212a7ce8961dfa052c3724603b1042e1a43e14aa417102ce0aa3d134e3022100eb0ea93ebb2b4f79d781ac40de97575a26d40ff387b1d7363a15f6e7a9409ccb00750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c00000170df826643000004030046304402202f8842178cd73b969628188b5e38cb7f669984b5b3fa5607eda1039648b453f702206c16f700ed10a28791555a416ea5af5257c12e12070d07687f7f412abfb16462 . . . . [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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