www.tp1.rub.de
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:e5:34:b2:cf:2a:88:54:92:96:6b:0d:55:2b:ba:a3:4c:d6 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.tp1.rub.de
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:e5:34:b2:cf:2a:88:54:92:96:6b:0d:55:2b:ba:a3:4c:d6Serial Number (int): 339331568106625845882533022524568886267094
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: cc:3a:1d:8b:09:90:cf:f1:8e:00:80:0e:27:21:b5:91:82:7a:5f:df
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): e8:1a:50:2a:6d:f5:c0:ff:bd:e7:44:49:a3:55:5d:a9:02:03:0e:55
Fingerprint (sha256): 04:fa:5b:f3:7f:09:15:72:af:40:40:76:ee:73:3b:db:70:81:8b:4c:72:99:66:96:87:ab:b1:93:26:36:30:1e
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.tp1.rub.de
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.tp1.rub.de
Public Key Algorithm
RSA
Key Size
4096
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
www.tp1.rub.de
www.tp1.ruhr-uni-bochum.de
www.tp1.ruhr-uni-bochum.de
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Certificate
The complete raw certificate details for www.tp1.rub.de in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGcTCCBVmgAwIBAgISA+U0ss8qiFSSlmsNVSu6o0zWMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTAzMjAyMjQxNTlaFw0x OTA2MTgyMjQxNTlaMBkxFzAVBgNVBAMTDnd3dy50cDEucnViLmRlMIICIjANBgkq hkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAoFwBGx1ygYJlP2G9YaiAj8Wzs7gRI6vG V/nZ6sfYICweeVh94YzvuV4JRc9bDcjTqU4Fhk+ILZ35F8TAKhhtHeHiwx2Qw4eF Gn53UrLUbqa3r9CZio+p74EgQhZXkcBOHb4DZGDf8fvpMfhwF4sJp2QE2tqZqLLP 2lik9TYjS0zd2EdEyzkFd1O0I+V3FIlUomWhCPP1FtBIZwrBSHfYHMOCYMjwm03E rFBklAq1ViqSsTeOOwH3eANgBgWdESRjkDbmC5OyeL/yVJRW1IcMQ2FWIY/HHkMb fxMj0AElOO8sFdSUbmDKRaSe8BQLMmHcJTBIY6nUh/41+dhMPZWvLQeS3AMZlz+e N7hXArkhGegXRPl/OkaPE3214WCgr0BnfQzSWU6Qzr1fk5s+bRahxiJ9bk/M+cDD /9ASGOz5aYWF81xTf34L7Hu+S3uZ2+yhdQzA+Gg4i6QXuQJ6WYuEVl4ZSo+U2FPp qcnNujYOKv3Fsf5IBQHk7D/RPFBiwHXIC9B1PEaKlyWQ3s6dLaj0PNgs4T1pNKxy Y++0cjbJIrecGTWRkeLaXkWgK+MtxnPJVWHWBORTMCvTVmkWdm8qXZbK5iqgOL6N Bm3hw6Bttvj7y2QXTSPrTRRLfumWsgUJB9gI2Ryl9OuZtI2a9h+6RwFkaBTYgz0/ xeJXihQ1jQUCAwEAAaOCAoAwggJ8MA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAU BggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUzDod iwmQz/GOAIAOJyG1kYJ6X98wHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo 7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQt eDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQt eDMubGV0c2VuY3J5cHQub3JnLzA1BgNVHREELjAsgg53d3cudHAxLnJ1Yi5kZYIa d3d3LnRwMS5ydWhyLXVuaS1ib2NodW0uZGUwTAYDVR0gBEUwQzAIBgZngQwBAgEw NwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5j cnlwdC5vcmcwggEFBgorBgEEAdZ5AgQCBIH2BIHzAPEAdwB0ftqDMa0zEJEhnM4l T0Jwwr/9XkIgCMY3NXnmEHvMVgAAAWmde6RzAAAEAwBIMEYCIQD7mziXoCGIPhsJ 2U0ffvov3CO6EyIVs8Qt8x0ZPii1AAIhAILxkMcqBFGWv1ossC8VlUGGlH8LlAtB dmrbhgydOfsgAHYAY/Lbzeg7zCzPC3KEJ1drM6SNYXePvXWmOLHHaFRL2I0AAAFp nXuifwAABAMARzBFAiAhoSjzX6El+jRuhiAdMFVJEkBn1QKwbBli+0uWuz0+8AIh AP8KY3C1062jgzNfMIq2pLkfZgTeOPpmquVDBM3Qhb8SMA0GCSqGSIb3DQEBCwUA A4IBAQCRFDKsFXiAw8vmC0wQN5EVw3KzSU8iFscnp6kTM1SzwRYHUxXgxgF7yEqt eYRsPobOtawkLJtioh3fdqfFPITrqz0MyGDeY3dTe7EtuN2NosPHk9LQ1YP/2FLR HH2kXXwpgq/C+wFPuW4lXEQ1v3zX1buQXtkVZCBWqIqI3G2xRHxaEgcOYX+hq7n/ KAcOthGzJwSGJhkCr/nVgrFLZvtD1jBHB0UKLiFI8CT0hErkC70D4REdWQaGXlLc ronctmgogXedRJ5UBZpZwR4CTRRbgtc3+1P4q2ljuiu96F51TJ4XXsqxgM3X+TDF T44OBzQvVZNc+Q8Sc340wPdo6VjW -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAoFwBGx1ygYJlP2G9YaiA j8Wzs7gRI6vGV/nZ6sfYICweeVh94YzvuV4JRc9bDcjTqU4Fhk+ILZ35F8TAKhht HeHiwx2Qw4eFGn53UrLUbqa3r9CZio+p74EgQhZXkcBOHb4DZGDf8fvpMfhwF4sJ p2QE2tqZqLLP2lik9TYjS0zd2EdEyzkFd1O0I+V3FIlUomWhCPP1FtBIZwrBSHfY HMOCYMjwm03ErFBklAq1ViqSsTeOOwH3eANgBgWdESRjkDbmC5OyeL/yVJRW1IcM Q2FWIY/HHkMbfxMj0AElOO8sFdSUbmDKRaSe8BQLMmHcJTBIY6nUh/41+dhMPZWv LQeS3AMZlz+eN7hXArkhGegXRPl/OkaPE3214WCgr0BnfQzSWU6Qzr1fk5s+bRah xiJ9bk/M+cDD/9ASGOz5aYWF81xTf34L7Hu+S3uZ2+yhdQzA+Gg4i6QXuQJ6WYuE Vl4ZSo+U2FPpqcnNujYOKv3Fsf5IBQHk7D/RPFBiwHXIC9B1PEaKlyWQ3s6dLaj0 PNgs4T1pNKxyY++0cjbJIrecGTWRkeLaXkWgK+MtxnPJVWHWBORTMCvTVmkWdm8q XZbK5iqgOL6NBm3hw6Bttvj7y2QXTSPrTRRLfumWsgUJB9gI2Ryl9OuZtI2a9h+6 RwFkaBTYgz0/xeJXihQ1jQUCAwEAAQ== -----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 339331568106625845882533022524568886267094 . . . . . . . . [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 2019-03-20 22:41:59 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-18 22:41:59 +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.tp1.rub.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 (4208 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 654209241814039174720321958974138889005405505266910146034807193199325103489638905792824354714195409676928432654892213526686102597413097355037690447050331987025427386540116069442089916463553090692709563258437129111788946426103078677346807820644241716253879906919369688546696648626473956475837916381881059279017470622370615247548133260235815433135099671530839293161249447723486060349628920433456194923132283314261305670350566239607313822112099950675111199198733037164516908027230127365284733146672005718348884950199972592213883380096454547776877372350540341013327840079560760166961536798860950844064734205419884746135739657046523835071699607810196056072251724520034892438980509870888833178255431267755976495973852253547299159988898481345720672329591711444762437478909704179520073290302164127239325644559348573071563194443586813296487414031916174318456035240712344755440175746861777881251829656608818818817616809640482976419173089236015042791986185795220168183127357402455733488889823086284487871644736210234224457483218111418403047437126442433723721073089837596663312542035353470915167233544177366908139917665327541623658141339604465177086539166437974149596397383427860558443481922574143287316020648789671251955954712354668375165996293 . . . . . . . . . . . . . . . . . . . . [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) cc3a1d8b0990cff18e00800e2721b591827a5fdf . . . . . . . . . . . . . . . . [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 (46 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.tp1.rub.de' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.tp1.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 (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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc56000001699d7ba4730000040300483046022100fb9b3897a021883e1b09d94d1f7efa2fdc23ba132215b3c42df31d193e28b50002210082f190c72a045196bf5a2cb02f15954186947f0b940b41766adb860c9d39fb2000760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d000001699d7ba27f0000040300473045022021a128f35fa125fa346e86201d305549124067d502b06c1962fb4b96bb3d3ef0022100ff0a6370b5d3ada383335f308ab6a4b91f6604de38fa66aae54304cdd085bf12 . . . . [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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