www.hitnet.rwth-aachen.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:9a:e6:0b:14:30:bf:11:6b:f2:41:04:95:48:e4:62:d4:30 was issued on by Let's Encrypt.

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.hitnet.rwth-aachen.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:9a:e6:0b:14:30:bf:11:6b:f2:41:04:95:48:e4:62:d4:30
Serial Number (int): 401158408196671761065821994820747015672880
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 56:ed:9f:1c:7b:8c:3c:3a:75:86:e8:f8:72:52:ac:27:a9:bb:df:00
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 7c:47:0f:21:2e:1c:c7:5e:6a:66:51:49:13:87:af:c5:22:fc:00:de
Fingerprint (sha256): 01:03:00:47:fe:31:db:07:ca:d1:63:59:6e:77:7e:2c:4a:cf:67:19:df:b8:93:b2:b3:55:48:21:ba:c0:46:da

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate www.hitnet.rwth-aachen.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.hitnet.rwth-aachen.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

www.hitnet.rwth-aachen.de

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Certificate

The complete raw certificate details for www.hitnet.rwth-aachen.de in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 401158408196671761065821994820747015672880
 . . . . . . . . [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 2017-10-19 00:34:06 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-01-17 00:34:06 +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.hitnet.rwth-aachen.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 783455790517110471631308583831736415192395114725870712811968190021076938078833660996222067720532382223195534523324580502327956855604073565404826665146809544288535266237124406977079211564238708232850876839660770449418557949945851276668109796500369901655660793582748729098741214853687431580627837212437119917556085373077420320933116840750791163574832737679430164190957969594973226387793889710091194866298706013012218851012488403701703461365096233742962977449466597084665206780990170621392074207192932323166237487421939957722794650100534187760644144666734856842360499779216267511272163726500769588184220748279090813458830122262081321875394369258111592468434845517892818583636062714276690050734193145647320790392003450536487326390950618460736005321258256773028699981416958963508216701638791363855251642984385278162906155415285590285442343717322665779550449387500485329048174049759713318977820379474830912798562385687684917116452646468327545958714140816641346724897508016689711684949438975250365854200577291896329142714274727405177880286810267003845901279437395515476141180114231723973601237247781769342118348066276691732007661811601446237299588220025300668060642661860008580883142081163226112324621542922050103129465388087712624988515467
 . . . . . . . . . . . . . . . . . . . . [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)
							56ed9f1c7b8c3c3a7586e8f87252ac27a9bbdf00
 . . . . . . . . . . . . . . . . [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 (29 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.hitnet.rwth-aachen.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)
 . . . . . . . . [c:1|t:21|false]  
 . . . . . . . . [c:3|t:2|false]  
 . . . . . . . . [c:3|t:13|false]