mail.biba.uni-bremen.de
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:ee:60:29:3d:55:41:54:11:35:d1:cb:1b:53:bf:53:1b:42 was issued on by Let's Encrypt.
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Certificate Subject
CN=mail.biba.uni-bremen.de
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:ee:60:29:3d:55:41:54:11:35:d1:cb:1b:53:bf:53:1b:42Serial Number (int): 342451881138212243889031014770357862341442
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 15:9e:fe:77:dd:49:34:69:a5:27:82:ea:02:43:42:68:cb:a1:c3:eb
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): b9:ce:79:ea:97:d3:f8:15:ce:e4:ba:c5:c5:91:46:de:44:6a:91:07
Fingerprint (sha256): 01:9a:58:a8:ae:4f:64:44:cd:1c:26:27:14:08:37:ac:bc:f9:84:94:a2:57:73:48:9f:bb:be:1c:83:36:f9:3a
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate mail.biba.uni-bremen.de
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for mail.biba.uni-bremen.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
8 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
mail.biba.uni-bremen.de
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Certificate
The complete raw certificate details for mail.biba.uni-bremen.de in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGETCCBPmgAwIBAgISA+5gKT1VQVQRNdHLG1O/UxtCMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xNzExMTExODIxMTdaFw0x ODAyMDkxODIxMTdaMCIxIDAeBgNVBAMTF21haWwuYmliYS51bmktYnJlbWVuLmRl MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAqhqYGNXbKEJxEgCHbUyg NAQ6sseCrESWfP3cbCK27C1f3aJn1HGPre8lKVvqU4/01SQAfRMvnwN6AWMZkmby pDy2nbiusgnv1XoobGb8w8RLWJOMMwA5AkG5bYJddNVeMLQp16p7Xb3plUuojZiy AYqJoprXqBzTI9kCwRTGiUrjqNwmnN8MeJt8bgVfCbe0oNW/tkTYh+PhAQFWVTWt QCZoQTcEGcsWCZUK2svV0ngIULqiiFsYDG/xU9UUB5mPZcdZDK5KJUNcwgpZN85b 2Ea9R3RjAdN6zSHhTRGSrCquYK2lwqT9Q1G9vmiBMjHw9+mLO9dlbnB0bO0GMmoX 9idF8A95WE2LDI5662IU4qqo19Axu4FmP4JRMV1D6ge9a1KDobNAiH6nYKRLvAFY OhbeozEZjTV/RxMe5qj63EnlIIy89VZV5o47Tooft25OLsFzHhlyoMA15/fR1M28 45UdLqbZcvFGCD1vRX4FG7uNf66H7oET1CX7x+oFCP/UagdXusF3Y9+LULnGbiKT fSKNL/7YBiEY0lGJe5PEHJAMRNEs0/risyHJfHL4VrMOEcr2NRn0QgqE0k6+MM41 wsGBTQS0SywjLutlH7F+hAsptlokmvFpgzFhtaDDCjE5JuCACgN+pk3ovryRuKW4 9gPJ/1ZgzLM0gDq5X8uzGJ0CAwEAAaOCAhcwggITMA4GA1UdDwEB/wQEAwIFoDAd BgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNV HQ4EFgQUFZ7+d91JNGmlJ4LqAkNCaMuhw+swHwYDVR0jBBgwFoAUqEpqYwR93brm 0Tm3pkVl7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8v b2NzcC5pbnQteDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8v Y2VydC5pbnQteDMubGV0c2VuY3J5cHQub3JnLzAiBgNVHREEGzAZghdtYWlsLmJp YmEudW5pLWJyZW1lbi5kZTCB/gYDVR0gBIH2MIHzMAgGBmeBDAECATCB5gYLKwYB BAGC3xMBAQEwgdYwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQu b3JnMIGrBggrBgEFBQcCAjCBngyBm1RoaXMgQ2VydGlmaWNhdGUgbWF5IG9ubHkg YmUgcmVsaWVkIHVwb24gYnkgUmVseWluZyBQYXJ0aWVzIGFuZCBvbmx5IGluIGFj Y29yZGFuY2Ugd2l0aCB0aGUgQ2VydGlmaWNhdGUgUG9saWN5IGZvdW5kIGF0IGh0 dHBzOi8vbGV0c2VuY3J5cHQub3JnL3JlcG9zaXRvcnkvMA0GCSqGSIb3DQEBCwUA A4IBAQAakayFaT9H0TcWzrbupy2kjAK12zxyo6MFfmW+/8nxQFVh1TeyDiwobd0X 3C4Iqi8kxO3f/3kufyvRFnSHEdo1jVnHF/U3KCCthFG8MJ3CkOhZaKwT7Oid52Li Ro9X9omWskSv42Xz/O+0FrSZlPFHMiBc6C6fiAk6iHDuXXan2209GzUErNSaEIyy ZFEu4HGB+/YR/fPs8FWWG+A3VRh5nXCvIIVxonxc+JIkAuY1ulnkXWq361AKdmBr mACoKWw5kU9SpFnA9yycj6mu4d5956MCGBETb4TxguCSBSAjhEvZxDXZPV1S+Jy0 JO72G+bTaMy90c+6od//mriV48GA -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAqhqYGNXbKEJxEgCHbUyg NAQ6sseCrESWfP3cbCK27C1f3aJn1HGPre8lKVvqU4/01SQAfRMvnwN6AWMZkmby pDy2nbiusgnv1XoobGb8w8RLWJOMMwA5AkG5bYJddNVeMLQp16p7Xb3plUuojZiy AYqJoprXqBzTI9kCwRTGiUrjqNwmnN8MeJt8bgVfCbe0oNW/tkTYh+PhAQFWVTWt QCZoQTcEGcsWCZUK2svV0ngIULqiiFsYDG/xU9UUB5mPZcdZDK5KJUNcwgpZN85b 2Ea9R3RjAdN6zSHhTRGSrCquYK2lwqT9Q1G9vmiBMjHw9+mLO9dlbnB0bO0GMmoX 9idF8A95WE2LDI5662IU4qqo19Axu4FmP4JRMV1D6ge9a1KDobNAiH6nYKRLvAFY OhbeozEZjTV/RxMe5qj63EnlIIy89VZV5o47Tooft25OLsFzHhlyoMA15/fR1M28 45UdLqbZcvFGCD1vRX4FG7uNf66H7oET1CX7x+oFCP/UagdXusF3Y9+LULnGbiKT fSKNL/7YBiEY0lGJe5PEHJAMRNEs0/risyHJfHL4VrMOEcr2NRn0QgqE0k6+MM41 wsGBTQS0SywjLutlH7F+hAsptlokmvFpgzFhtaDDCjE5JuCACgN+pk3ovryRuKW4 9gPJ/1ZgzLM0gDq5X8uzGJ0CAwEAAQ== -----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 342451881138212243889031014770357862341442 . . . . . . . . [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 2017-11-11 18:21:17 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-02-09 18:21:17 +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 'mail.biba.uni-bremen.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 693963298518291355199004125397669097210016986503706582876248063513056657722385862074202607287729545766033528053053375617341474884806510848578764247983927188353564900374342670075822990210850114930907582007266233515927905526139012811410730820224225103227698351852912292574891062593773239477422434753141167115927007828901435974697892618094148586159730006359253256600338823471129024033974800029616766303947955283036394602992972388627800479824317369029897308364236408818089484044839046937707971683254266279648972444238419667527811043333285441253251636539663216958194929372809741363685795744366118433738647531356629071481432773621540140411092570387180665676842972281831435016588895758060060065461555910374978957476189974981066804657354944404126952318297512702400837477970182366359025374727868489664524818569650616638093610083423790771659092922315949776247114998732014532375148944865546207975361076186447448730010205832955703014857082394095792595886085636943061439712209214231900017435477895204612040877444084115800567587200210966997855189462566372957587714210534843891145265137212047489064235446685623807391238295919048299852896978700095367362254275472762929736134315972326287695913748625267494072990011971609539761389999297523594363607197 . . . . . . . . . . . . . . . . . . . . [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) 159efe77dd493469a52782ea02434268cba1c3eb . . . . . . . . . . . . . . . . [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 (27 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.biba.uni-bremen.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 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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