utrm.ruhr-uni-bochum.de
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:35:ab:35:d7:02:df:55:e8:2a:e8:1d:a6:f4:62:c8:c2:ca was issued on by Let's Encrypt.
With 4 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=utrm.ruhr-uni-bochum.de
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:35:ab:35:d7:02:df:55:e8:2a:e8:1d:a6:f4:62:c8:c2:caSerial Number (int): 279599400782048841585964425827759853978314
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 7c:5f:ef:a5:6f:14:7d:00:8c:6f:00:a8:80:7c:9f:ac:96:8f:67:04
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): c8:f1:22:1e:b0:ed:5e:a2:4e:81:3d:ae:a1:fb:e2:f4:a7:d1:f3:ea
Fingerprint (sha256): 05:47:d6:b2:43:55:08:5e:02:20:18:a5:78:98:c4:d1:3f:3a:9f:b6:cf:12:4a:cc:d8:16:5c:25:48:1e:42:7f
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate utrm.ruhr-uni-bochum.de
4
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for utrm.ruhr-uni-bochum.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
utrm.rub.de
utrm.ruhr-uni-bochum.de
www.utrm.rub.de
www.utrm.ruhr-uni-bochum.de
utrm.ruhr-uni-bochum.de
www.utrm.rub.de
www.utrm.ruhr-uni-bochum.de
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uni.ruhr-uni-bochum.de
Certificate
The complete raw certificate details for utrm.ruhr-uni-bochum.de in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGVDCCBTygAwIBAgISAzWrNdcC31XoKugdpvRiyMLKMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODExMDMxMDI4NDRaFw0x OTAyMDExMDI4NDRaMCIxIDAeBgNVBAMTF3V0cm0ucnVoci11bmktYm9jaHVtLmRl MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsdnvf84OTOfYpFhxc61z f43vBd7hkt9PWKNkmLaPgZX3roQ8U7p3rhxgZFYzh66cEAlfA8S5sAHqUIjTm1Gs j0QvxVgt36MIs1LvoWpcTYwDKyWEoYayakoGNGJbwvAtuCjB6mb8F4EpZxxLWlG0 W7vy+mhDSRIWJURNjnQxWsUDL2McUmjs4LHZUI/h4Htv8TLdGQHt5pssaFMtRGS6 I5pUSaaB1lwEtGutrocywByHjEvLE6hBAbe6nmVr/rywDr386Bgb0AUM/eFJFbcu C1M8pR+TuHWBVL0T1nSWZqRHdkz9i79Al3Unoqyfvrdi1Gl+G1JxFsRiPRfsZEtm NwIDAQABo4IDWjCCA1YwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUF BwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBR8X++lbxR9AIxv AKiAfJ+slo9nBDAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggr BgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRz ZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRz ZW5jcnlwdC5vcmcvMF0GA1UdEQRWMFSCC3V0cm0ucnViLmRlghd1dHJtLnJ1aHIt dW5pLWJvY2h1bS5kZYIPd3d3LnV0cm0ucnViLmRlght3d3cudXRybS5ydWhyLXVu aS1ib2NodW0uZGUwgf4GA1UdIASB9jCB8zAIBgZngQwBAgEwgeYGCysGAQQBgt8T AQEBMIHWMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCB qwYIKwYBBQUHAgIwgZ4MgZtUaGlzIENlcnRpZmljYXRlIG1heSBvbmx5IGJlIHJl bGllZCB1cG9uIGJ5IFJlbHlpbmcgUGFydGllcyBhbmQgb25seSBpbiBhY2NvcmRh bmNlIHdpdGggdGhlIENlcnRpZmljYXRlIFBvbGljeSBmb3VuZCBhdCBodHRwczov L2xldHNlbmNyeXB0Lm9yZy9yZXBvc2l0b3J5LzCCAQQGCisGAQQB1nkCBAIEgfUE gfIA8AB2ACk8UZZUyDlluqpQ/FgH1Ldvv1h6KXLcpMMM9OVFR/R4AAABZtlVGKgA AAQDAEcwRQIhAIBvxu8ptFLnItWuyC78ksW2LW2iPB0ZmRRj2WMGg7dOAiAc1X2D ZIQYTl4qhGOolwO2os6ZWd/I/AJGA+2seIWo4AB2AHR+2oMxrTMQkSGcziVPQnDC v/1eQiAIxjc1eeYQe8xWAAABZtlVGnAAAAQDAEcwRQIgX7hrn068tkj5w74Eb18W gaazG//v7n7mBMxEne9KFasCIQDI8nTqNNtA2KpIrZj0fUUjtXIQF1I1dAQlpXW6 X3uspzANBgkqhkiG9w0BAQsFAAOCAQEAVvdWgJLuzxgCUkmfrEWkx1V9ccyhZ/Zg jJy9enCwTNXDyqrmkomsFphWJYzmP1R7RCKkPeH1rMZouPNh4NoP9zoCM0TinIz1 rC5U5rb6W7ZDccz+qjCBH2JB+xTfK4KDrJKlaz95KopCu5w70bz/QNbbgV9+KaGD uhHkURVw/RFE07Nuz1jILCVh/hoXnGhmwcj32BuzeYttfakXSOdeUD0XSFh+qKLg hPrZrSVbQJjyHOcaqkJ7t/X3FE2QloMT/UsEi4fJNIR8+ETEDFvbZxmyl2YNbYEF IWibXxEy4r6yQBrKHFPWpA/bMe98Rdu+XYoyNMsv7c0UYtYIm5+B8Q== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsdnvf84OTOfYpFhxc61z f43vBd7hkt9PWKNkmLaPgZX3roQ8U7p3rhxgZFYzh66cEAlfA8S5sAHqUIjTm1Gs j0QvxVgt36MIs1LvoWpcTYwDKyWEoYayakoGNGJbwvAtuCjB6mb8F4EpZxxLWlG0 W7vy+mhDSRIWJURNjnQxWsUDL2McUmjs4LHZUI/h4Htv8TLdGQHt5pssaFMtRGS6 I5pUSaaB1lwEtGutrocywByHjEvLE6hBAbe6nmVr/rywDr386Bgb0AUM/eFJFbcu C1M8pR+TuHWBVL0T1nSWZqRHdkz9i79Al3Unoqyfvrdi1Gl+G1JxFsRiPRfsZEtm NwIDAQAB -----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 279599400782048841585964425827759853978314 . . . . . . . . [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 2018-11-03 10:28:44 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-02-01 10:28:44 +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 'utrm.ruhr-uni-bochum.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 22451648001076563124887910351835196566061386630882487588467479605304840700494588087538963860244084165842632924922522285901847089702396704346617712922612253516281780595297653385768939680751571642095086028273284021866634636272532302704054416167581718389616825529762620099675756606521144040647783667895696044624767338665554513035830823657798574910894831469727837376053108122288869493894372584341050095282053318968559696481872110057568601428568524068964044796769191111266412274106365303256634025625734819854378035971069365641264592092672128412996148820884736911385080709854434340333170505732403348938142794463889500890679 . . . . . . . . . . . . . . . . . . . . [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) 7c5fefa56f147d008c6f00a8807c9fac968f6704 . . . . . . . . . . . . . . . . [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 (86 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'utrm.rub.de' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'utrm.ruhr-uni-bochum.de' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.utrm.rub.de' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.utrm.ruhr-uni-bochum.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 (246 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 1.3.6.1.5.5.7.2.2 (unotice) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/' . . . . . . . . . . . . . . . . [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) 00f0007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000166d95518a80000040300473045022100806fc6ef29b452e722d5aec82efc92c5b62d6da23c1d19991463d9630683b74e02201cd57d836484184e5e2a8463a89703b6a2ce9959dfc8fc024603edac7885a8e0007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc5600000166d9551a70000004030047304502205fb86b9f4ebcb648f9c3be046f5f1681a6b31bffefee7ee604cc449def4a15ab022100c8f274ea34db40d8aa48ad98f47d4523b57210175235740425a575ba5f7baca7 . . . . [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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